A fiber optic closure (100) including a base tray (99) including a pair of end walls (101,102), a first side wall (103) and a second side wall (104) extending between the pair of end walls (101,102), and a base wall (106) extending between the end walls (101,102) and the side walls (103,104). The second side wall (104) forms a first attachment interface (164) configured to receive a connector bank (400). An interior volume of the closure includes a first side (120) proximate to the first side wall (103) and a second side (122) proximate to the second side wall (104). The end wall (101,102) at least partially forms an inlet opening (112) extending from an exterior to the interior volume at the first side (120). The end wall (101,102) includes an outlet opening (116) at the second side (122). The base wall (106) includes a second attachment interface (302,312,314) positioned at the first side (120) and configured to receive an organizer tray (200). At least one second attachment interface (302,312,314) is positioned proximate to the end walls (101,102).
An adaptive cable assembly and a method for construction thereof is provided. The method includes mass fusion splicing optical fibers at a cable with optical fibers at a connectorized fiber optic tail assembly, and positioning the mass fusion splice in a cavity extending along a longitudinal axis formed by a body extending along the longitudinal axis. The body forms a first open end along the longitudinal axis through which the connectorized fiber optic tail assembly is extended when the mass fusion splice is positioned in the cavity. The body forms a second open end along the longitudinal axis through which the fiber optic cable is extended when the mass fusion splice is positioned in the cavity.
A fiber optic tray enclosure is provided, including a base tray including a base wall extending along a lengthwise direction and a widthwise direction, the base wall forming a fastener opening configured to receive a fastener. The side wall is attachable to the base wall at the fastener opening. A plurality of mount plates is attachable to the base wall and separated from one another along the lengthwise direction. The mount plates forming an opening configured to receive a telecommunications adapter. A top wall is attachable to the mount plate, wherein the top wall, the base wall, the side wall, and the pair of mount plates form an interior volume therebetween.
Sealing structures are provided. A sealing structure includes a first body defining a plurality of cutouts; and a plurality of second bodies, each of the plurality of second bodies disposed in one of the plurality of cutouts, wherein each of the second bodies comprises: a first half including a sealing member disposed between a first end plate and a second end plate; and a second half including a sealing member disposed between a first end plate and a second end plate, wherein the sealing member of a first half of one second body abuts the sealing member of a second half of another second body, and wherein each of the plurality of second bodies is configured to seal a fiber optic cable entering or exiting the enclosure.
A fiber optic drop cable assembly and fiber optic connector assembly are provided. The connector assembly includes an inner body assembly extending along a longitudinal direction. The inner body assembly includes a second crimp body surrounding at least a portion of a first crimp body. An inner body housing surrounds at least a portion of a ferrule and a spring and is coupled to the first crimp body. The spring is positioned within the inner body housing and is positioned to exert a force to the ferrule and the first crimp body along the longitudinal direction. The inner body assembly forms a first end configured to receive a first optical fiber into the first and second crimp body. The inner body assembly forms a second end opening configured to receive a second optical fiber from the ferrule.
Conductor terminations are provided. A conductor termination defines a longitudinal axis, a lateral axis, and a transverse axis. The conductor termination includes a body extending along the longitudinal axis, the body including a head and a tail, the head defining a channel and a slot, the channel and slot each extending along the longitudinal axis through a length of the head. The conductor termination further includes a keeper, the keeper defining a channel which extends along the longitudinal axis and including a wing protruding along the lateral axis. The keeper is insertable into the body in a direction along the longitudinal axis away from the tail.
H01R 4/50 - Connexions par serrage; Connexions par ressort utilisant une came, un coin, un cône ou une bille
H01R 11/14 - Pièces d'extrémité se terminant par un œillet, un crochet ou une fourchette le crochet étant adapté pour être accroché sur des lignes aériennes ou autres lignes suspendues, p.ex. pince pour ligne sous tension
H02G 1/02 - Méthodes ou appareils spécialement adaptés à l'installation, entretien, réparation, ou démontage des câbles ou lignes électriques pour lignes ou câbles aériens
7.
INTEGRATING EDGE COMPUTE INTO OPTICAL PASSIVE INFRASTRUCTURE
Optical networks including edge compute nodes disposed in enclosures along passive optical networks are provided. An enclosure for a passive optical network includes a housing selectively enclosing an internal volume which houses one or more passive optical components; and an edge compute node disposed in the internal volume and configured to be in optical communication with an optical line terminal and an optical network unit of the optical fiber network.
A cover for a utility enclosure includes a cover having a top, a bottom, a front side, a rear side, a left side, and a right side, defining an interior. The cover further includes a plurality of ribs in the interior dividing the interior into a plurality of spaces. The cover further includes the top having one or more air vents. The cover further includes the air vents having channels constructed to vent air in the spaces to an exterior of the cover, thereby preventing flotation of the cover in water.
A consolidation terminal includes a body defining an interior, a stub cable port defined in the body, and a stub cable extending through the stub cable port, the stub cable including an optical fiber. The consolidation terminal further includes a splitter disposed in the interior, wherein the optical fiber is connected as an input to the splitter. The consolidation terminal includes a plurality of connector ports defined in the body, at least one single fiber connector disposed within at least one of the plurality of connector ports, the at least one single fiber connector connected to an output optical fiber from the splitter, and at least one multi-fiber connector disposed within at least one of the plurality of connector ports, the at least one multi-fiber connector connected to a plurality of output optical fibers from the splitter.
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p.ex. câbles de transmission optique
G02B 6/28 - Moyens de couplage optique ayant des bus de données, c. à d. plusieurs guides d'ondes interconnectés et assurant un système bidirectionnel par nature en mélangeant et divisant les signaux
An adaptor assembly for a telecommunications module. The adaptor assembly includes a carrier having a pair of sidewalls and a lateral wall extending between the pair of sidewalls. The sidewalls include a first detent and a second detent distal to the first detent. The first detent forms an open position of the carrier extending from the telecommunications module, and the second detent forms a closed position of the carrier extended into the telecommunications module. The carrier is configured to receive a telecommunications adaptor between the pair of sidewalls and the lateral wall.
A rack assembly for a telecommunications module is provided. The rack assembly includes a frame extending along a vertical axis, and a pair of sidewalls attachable to the frame and spaced apart from one another along a lateral axis. The sidewalls extend along a longitudinal axis perpendicular to the lateral axis and include a plurality of rails in adjacent arrangement along the vertical axis and extending along the longitudinal axis. The plurality of rails is configured to receive a telecommunications module and are spaced apart along the vertical axis by less than one rack unit and at least one-third rack unit.
A fiber optic closure is provided, including a base insertable at least partially into the interior of the closure. A bracket assembly includes a plurality of hinge assemblies along a transverse axis. A connector shaft connects an organizer assembly and the base together. The organizer assembly includes a main body extending between a front and a rear, a first sidewall, and a second sidewall. The main body includes a base panel extending between the first sidewall and the second sidewall and from the front to the rear. An upper retention tab extends from one or more of the first sidewall, the second sidewall, or a front wall of the main body. A lower retention tab extends from one or more walls and is positioned proximate along a transverse axis to the base panel relative to the upper retention tab.
A fiber optic closure is provided including an organizer tray and a mount platform. The organizer tray includes a tray main body including a base wall including a plurality of module mounting locations including a plurality of leg slots and one or more positioning slots defined through the base wall. The mount platform includes a platform base and a platform leg extending from the platform base. The platform base forms a wall configured substantially flush to the base wall. The platform leg is insertable into corresponding leg slots at the mount location. The mount platform includes a retainer wall extending along the transverse axis from an upper surface of the platform base. The retainer wall extends along a first direction to form a detent for a telecommunications module mountable to the organizer tray. The detent is along a second direction perpendicular to the first direction.
A handhole is provided, the handhole including a first wall and a second wall. The first wall includes a first joint portion forming a groove and an opening extending along a vertical direction. The second wall includes a second joint portion including a member extendable into the groove through the opening at the first joint portion. The first wall and the second wall are connectable together at the first joint portion and the second joint portion.
A fiber optic closure including a spine, a platform, and a tray assembly is provided. The spine is extending along a vertical axis and forms a first wall extending along a transverse axis. The spine forms a second wall extending along a lateral axis. The platform is releasably attachable to the spine at the second wall. The platform is configured to extend in a first position alongside the second wall along the vertical axis. The platform is configured to extend in a second position at an angle from second wall between the vertical axis and the transverse axis. The tray assembly is releasably attachable to the first wall of the spine.
A mount structure for a fiber optic closure is provided. The mount structure includes a first bracket extending along a first axis. The first bracket includes a plurality of first bracket walls at least partially surrounding the first axis. A plate includes a plate wall extending along a second radial direction extending from a second axis. A plate opening extends along the second axis through the plate wall. An arm is extending from the first bracket to the plate. The arm includes a first arm portion extending along a first radial direction from the first axis and a second arm portion extending along the second radial direction.
A fiber optic closure (30) is provided, the closure including a plurality of sidewalls extending along a longitudinal axis between a first end (116) and a second end (118). The first end (116) forms an open end such that a cable (42) is extendable to or from an interior formed by the plurality of sidewalls. The closure includes a base wall (110) extending from the plurality of sidewalls along the longitudinal axis (102) and a lateral axis (104) and an end wall (114) extending along the lateral axis (104) between the plurality of sidewalls. A bracket assembly extends along a transverse axis (106). The bracket assembly includes a main body (142) and a plurality of hinge assemblies (200). The plurality of hinge assemblies (200) is spaced apart in a linear array along the transverse axis (106). The main body (142) is angled at 45 degrees or greater between a transverse axis (106) and a longitudinal axis (102).
An optical fiber identifier apparatus and system are provided. The apparatus includes a housing forming a pathway at which an optical fiber is positionable. The housing forms a tip end that forms a bend of the optical fiber at the pathway. At least two lenses are positioned parallel to one another. Each lens defines an optical axis extended through the bend of the optical fiber and perpendicular to a longitudinal axis of the respective lens. A photo detector device is positioned to receive a beam of light from the optical fiber via the one or more lenses.
A method of forming and assembling a foldable plastic utility enclosure using molds to form sides of the enclosure, preferably using glass fiber-reinforced thermoplastic composite. The molds are constructed to form a central hole in hinge members which are formed on ends of the sides. The central hole of the hinge member is molded with two molding parts, wherein one or both of the molding parts have a solid central portion that forms the central hole. The sides are removed from the molds after curing and the sides are assembled to form the utility enclosure while the sides are still hot from the molding process. Hinge pins are inserted into the central holes of the hinge members to form hinges and to prevent the sides from warping during cooling. Assembling the sides and inserting hinge pins to form the utility enclosure is completed within approximately 10 minutes after removing the sides from the molds.
A lid for a utility enclosure having a front end, a rear end, a right side, a left side, a top lid portion, and a bottom, defining an interior. Large reinforcement ribs are on an interior surface of the top lid portion and form a lattice-type structure. Small reinforcement ribs are mounted in spaces formed by the lattice type structure. The lid is made of glass fiber-reinforced polypropylene and metal bars or rebar are embedded in the large reinforcement ribs. The metal bars are positioned near a bottom of the large reinforcement ribs and spaced above the bottom. The physical structure of the lid and the lid's composition, consisting essentially of glass fiber-reinforced polypropylene, are constructed so that the lid withstands up to 33,750 pounds of force without breaking or being deformed.
H02G 9/10 - Installations de lignes ou de câbles électriques dans ou sur la terre ou sur l'eau dans des chambres de câbles, p.ex. dans un trou d'homme
B65D 6/18 - Réceptacles dont le corps est formé par jonction ou liaison de plusieurs composants rigides ou sensiblement rigides, constitués en totalité ou principalement en métal, en matière plastique, en bois ou en un matériau de remplacement pliables avec des éléments articulés
B65D 6/00 - Réceptacles dont le corps est formé par jonction ou liaison de plusieurs composants rigides ou sensiblement rigides, constitués en totalité ou principalement en métal, en matière plastique, en bois ou en un matériau de remplacement
G01F 15/14 - Revêtements, p.ex. avec un matériau spécial
H02B 1/26 - Enveloppes; Leurs parties constitutives ou accessoires à cet effet
H02B 1/50 - Enveloppes; Leurs parties constitutives ou accessoires à cet effet - Parties constitutives ou accessoires
H02G 3/18 - Boîtes de distribution; Boîtes de connexion ou de dérivation pour sorties de ligne
B65D 57/00 - Châssis ou supports internes pour objets souples, p.ex. raidisseurs; Séparateurs pour objets en piles ou en groupes, p.ex. pour empêcher l'adhérence des objets collants
E02D 29/00 - Ouvrages souterrains ou sous l'eau; Murs de soutènement
E02D 29/12 - Trous d'homme; Autres chambres d'inspection ou d'accès; Accessoires à cet effet
B65D 37/00 - Réceptacles flexibles transportables non prévus ailleurs
B65D 41/62 - Couvercles extérieurs secondaires de protection en forme de capuchons, pour les éléments de fermeture
A fiber optic distribution enclosure (10) and cable mounting clamp (54) are provided. The enclosure (10) includes a surface having a first bridge extended along a longitudinal direction. The cable mounting clamp (54) including a base (100) removably connectable to the surface. The base (100) includes an outer body (110) which defines an inner channel (112) and a support ramp(114) disposed within the inner channel (112). The inner channel (112) extends along the longitudinal direction. A tong structure (140) is connected to the base (100). The tong structure (140) extends along the longitudinal direction and between the inner channel (112) and the surface. A fork structure (200) is slidable along the longitudinal direction and includes a pair of prongs (202) extended along the longitudinal direction. Each prong (202) is in sliding contact with the tong structure (140). Each prong (202) forms a longitudinal face extending along the longitudinal direction and an angled face (206) extending away from the longitudinal axis and corresponding to an angled face (146) at the tong structure (140).
A foldable extension enclosure for a utility enclosure having first, second, third, and fourth sides connected by hinges. The extension enclosure folds only in one direction. A first end of the first side slidably overlaps a second opposite end of the third side and a first end of the second side slidably overlaps a second opposite end of the fourth side. A second opposite end of the first side abuts a first end of the fourth side and a first end of the third side abuts a second opposite end of the second side. There is an internal top ledge on each side in an interior near a top end of the extension enclosure and an external bottom ledge on each side on an exterior near a bottom end of the extension enclosure to mount the extension enclosure to the utility enclosure through mounting holes. The mounting holes are in the sides between the top ledge and the top end and between the bottom ledge and the bottom end. The extension enclosure folds with the utility enclosure.
A fiber optic housing including a receptacle and a retainer clip fixable to the receptacle at one or more of a plurality of apertures. The receptacle includes a plurality of sidewalls extending along a longitudinal axis, a base wall extending from the plurality of sidewalls, and an end wall extending along a lateral axis between the plurality of sidewalls. The retainer clip forms a pathway extending along the longitudinal axis between a first clip end and a second clip end. The first clip end and the second clip end form openings into the pathway. A cable is extendable into the receptacle through the pathway formed at the retainer clip.
A butt closure base includes a base housing defining a plurality of cavities. A first gel is disposed in each of the plurality of cavities. The butt closure base further includes a plurality of wedge assemblies, each of the plurality of wedge assemblies removably insertable into one of the plurality of cavities. Each of the plurality of wedge assemblies includes an outer cover, and a second gel. The butt closure base further includes a plurality of cable entry passages, each of the plurality of cable entry passages defined between one of the plurality of cavities and one of the plurality of wedge assemblies. The butt closure base further includes a plurality of bushings, each of the plurality of bushings disposed in one of the plurality of cable entry passages.
A cable assembly includes a cable and a cable mounting clamp. The cable mounting clamp includes a base removably connectable to a surface. The base includes an outer body which defines an inner channel and a support ramp disposed within the inner channel, the inner channel extending along a longitudinal axis. The cable mounting clamp further includes a roller tube disposed within the inner channel and moveably mounted on the support ramp, the roller tube translatable along the longitudinal axis relative to the support ramp. The cable is inserted through the roller tube and extends through the inner channel, such that the cable is translatable with the roller tube along the longitudinal axis.
A splice closure apparatus and a fiber optic distribution network are provided. The splice closure apparatus includes a housing forming a plenum and an opening. A mount plate is affixed in the plenum within the housing, A signal splitter device is affixed to the mount plate. A fiber optic cable stub is extended through the opening of the housing. The cable stub includes an input optical fiber operably connected to the signal splitter device. The cable stub includes an output optical fiber operably connected to the signal splitter device.
An optical fiber node including: a housing; a module including a plurality of connection ports configured to be coupled with optical fibers, the module being disposed in the housing and having indicators associated with at least some of the plurality of connection ports; and a controller disposed in the housing, wherein the controller manages a database associated with the plurality of connection ports and adjusts the indicators during a wiring operation of the optical fiber node.
An indoor/outdoor micro-duct cable includes a central strength member, and six outer members surrounding the central strength member in a 6@1 configuration. At least one of the outer members is a buffer tube. A plurality of optical fibers are disposed within the buffer tube. The others of the six outer members are filler rods. The cable further includes an outer jacket surrounding the six outer members, the outer jacket having a diameter of less than 9 millimeters and a thickness of less than 1.7 millimeters. The outer jacket is formed from a flame retardant material. The filler rods are formed from a flame retardant material different from the flame retardant material of the outer jacket.
A butt closure base includes a base housing defining a plurality of cavities. A first gel is disposed in each of the plurality of cavities. The butt closure base further includes a plurality of wedge assemblies, each of the plurality of wedge assemblies removably insertable into one of the plurality of cavities. Each of the plurality of wedge assemblies includes an outer cover, a second gel, and a main pressure plate in contact with the second gel. The main pressure plate is movable along a longitudinal axis to apply pressure to the second gel. Each of the plurality of wedge assemblies further includes a latch assembly. The latch assembly includes an adjustable tab and a stop member movable between a first position which limits movement of the adjustable tab and a second position in which movement of the adjustable tab is not limited by the stop member.
Telecommunication enclosures are provided. A terminal enclosure (100) for a telecommunications system includes a housing including a base (102) and a cover (104), the housing defining an internal volume (106) configured to receive one or more telecommunication elements therein, wherein the base (102) includes a first side and a second side opposite the first side, wherein the base (102) and cover (104) are pivotally coupled together at a hinged interface (108) to selectively close the internal volume (106) of the housing, and wherein the hinged interface (108) is reconfigurable between the first and second sides of the base (102).
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p.ex. câbles de transmission optique
H02G 3/00 - Installations de câbles ou de lignes électriques ou de leurs tubes de protection dans ou sur des immeubles, des structures équivalentes ou des véhicules
H02G 15/10 - Jonctions de câbles protégées par des coffrets, p.ex. par des boîtes de distribution, de connexion ou de jonction
H02G 15/113 - Boîtes divisées longitudinalement dans la direction du câble principal
A rack routing guide installable in an equipment rack, the rack routing guide comprising: a body defining a volume configured to route one or more optical fibers from fiber optic equipment disposed in the equipment rack, wherein a lateral sidewall of the body includes an opening through which the one or more optical fibers are receivable into the volume; and a mount configured to couple the body to the equipment rack.
An organizer assembly includes a primary basket extending along a longitudinal axis between a first open end and a second closed end. The organizer assembly includes a backplate extending between a front wall and a rear wall, wherein a plurality of entry/exit slots are defined at the rear wall. The backplate further includes a plurality of positioning assemblies. The organizer assembly includes a hinge assembly connecting the backplate to the primary basket, wherein the backplate is rotatable relative to the primary basket at the hinge assembly about a lateral axis. The organizer assembly includes a plurality of organizer trays, each of the plurality of organizer trays rotatably connectable to the backplate at one of the plurality of positioning assemblies. Each of the plurality of positioning assemblies causes the connected one of the plurality of organizer trays to be selectively positionable in one of a plurality of rotational positions.
A fiber optic cassette includes a cassette body, the cassette body extending along a longitudinal axis between a front and a rear, extending along a lateral axis between a first side and a second side, and extending along a transverse axis between a bottom and a top. The fiber optic cassette further includes a plurality of fiber optic adapter apertures defined at the front of the cassette body. The fiber optic cassette further includes a side channel defined at the first side of the cassette body, the side channel including an entry aperture spaced from the rear of the cassette body along the longitudinal axis. The fiber optic cassette further includes a splice module receptacle defined in the cassette body. The splice insert of the splice module comprises a plurality of first channels on the first side and a second channel on the second side, the second channel having a maximum width which is greater than a maximum width of any of the plurality of first channels.
A fiber optic tray system includes a tray. The tray includes a tray body, the tray body extending along a longitudinal axis between a front and a rear and extending along a lateral axis between a first side and a second side. The tray further includes a plurality of alignment rails, each of the plurality of alignment rails protruding from the tray body along a transverse axis. The tray further includes a plurality of retainer features disposed at the rear of the tray body. The fiber optic tray system further includes a fiber optic module, the fiber optic module including an outer housing and at least one retainment feature. The at least one retainment feature is interfaced with at least one of the plurality of retainer features to retain the fiber optic module on the tray.
A fiber optic interface includes a first fiber optic connector and a second fiber optic connector. The first fiber optic connector has a ferrule extending from a distal end to a proximal end. The ferrule includes a contact interface defined at the proximal end of the ferrule. A first optical fiber extends within the ferrule and terminates at a first fiber end. The first fiber end is spaced apart from the contact interface towards the distal end of the ferrule by a distance of at least five microns. The second fiber optic connector includes a second optical fiber extending within the second fiber optic connector and terminating at a second fiber end. The ferrule of the first fiber optic connector includes an end face which faces the second fiber optic connector when mated and consists of a single face.
An optical power meter unit includes a transmitting/receiving port configured to connect to a fiber under test. The optical power meter unit also includes a light source and an optical power meter. The optical power meter unit further includes an optical fiber extending between the transmitting/receiving port and the optical power meter. The optical fiber has a core size greater than a core size of the fiber under test.
Conductor connector assemblies (10) and methods (100) for connecting conductors (70) and conductor connector assemblies (10) are provided. An assembly (10) includes a base attachment accessory (12) extending between a first end (20) and a second end (22). The base attachment accessory (12) further defines a bore hole (26) extending therein from the second end (22). The base attachment accessory (12) further includes an internal thread (28) in the bore hole (26). The assembly (10) further includes a barrel assembly (14) connectable to the base attachment accessory (12). The barrel assembly (14) includes a barrel (40) extending between a first end (42) and a second end (44). The barrel assembly (14) further includes a rod (50) extending from the first end (42) of the barrel (40) and an external thread (52) on the rod (50). The external thread (52) is mateable with the internal thread (28). The barrel assembly (14) further defines a conductor passage (60) extending into the barrel (40) from the second end (44) thereof. The barrel (40) is radially compressible.
H01R 4/20 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c. à d. se touchant l'un l'autre; Moyens pour réaliser ou maintenir de tels contacts; Connexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation effectuées uniquement par torsion, enroulage, pliage, sertissage ou autre déformation permanente par sertissage en utilisant un manchon de sertissage
H01R 4/56 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c. à d. se touchant l'un l'autre; Moyens pour réaliser ou maintenir de tels contacts; Connexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation un conducteur étant vissé dans un autre
H01R 11/05 - CONNEXIONS CONDUCTRICES DE L'ÉLECTRICITÉ; ASSOCIATION STRUCTURELLE DE PLUSIEURS ÉLÉMENTS DE CONNEXION ÉLECTRIQUE ISOLÉS LES UNS DES AUTRES; DISPOSITIFS DE COUPLAGE; COLLECTEURS DE COURANT Éléments de connexion individuels assurant plusieurs emplacements de connexion espacés pour des organes conducteurs qui sont ou qui peuvent être interconnectés de cette façon, p.ex. pièces d'extrémité pour fils ou câbles supportées par le fil ou par caractérisés par le type des emplacements de connexion sur l'élément individuel ou par le type des connexions entre les emplacements de connexion et les organes conducteurs les emplacements de connexion présentant différents types de connexions directes
H01R 11/14 - Pièces d'extrémité se terminant par un œillet, un crochet ou une fourchette le crochet étant adapté pour être accroché sur des lignes aériennes ou autres lignes suspendues, p.ex. pince pour ligne sous tension
Optical fiber mass splice methods and assemblies are provided. A method may include securing a fiber clamp (50) to a fiber setting fixture (20), the fiber setting fixture (20) including a fiber alignment block (20) and a backstop (36). A plurality of fiber grooves (32) may be defined in the fiber alignment block (30). The method may further include inserting a plurality of optical fibers (104) into the fiber setting fixture (20) such that each of the plurality of optical fibers (104) is disposed in one of the plurality of fiber grooves (32) and contacts the backstop (36). The method may further include loading, after the inserting step, each of the plurality of optical fibers into the fiber clamp (50). The method may further include clamping the plurality of optical fibers (104) in the fiber clamp.
A fiber optic transition assembly (100) includes a cable (16) including an optical fiber (40) and an outer jacket (48). The transition assembly (100) further includes a furcation cable (120), the furcation cable (120) surrounding an extended portion (102) of the optical fiber. The transition assembly (100) further includes a transition member (150) defining an interior (154), wherein a second end (54) of the outer jacket (48) and a first end (122) of the furcation cable (120) are disposed within the interior (154) and the optical fiber extends from the outer jacket (48) to the furcation cable (120) within the interior (154). The transition assembly (100) further includes an adapter (300) at least partially disposed within the interior of the transition member (150), the adapter (300) connected to the transition member (150) and comprising an adapter body (302) defining a cable aperture (310). The outer jacket (48) extends through the cable aperture (310).
Characterizing a first OLTS includes connecting a first test cable directly to a second power meter of the first OLTS, connecting the first test cable to a second test cable, and connecting the second test cable directly to a connection port of a second OLTS. The method also includes determining a first characterization power of the first OLTS by measuring an optical power of light transmitted from a light source of the second OLTS with the second power meter of the first OLTS. The method further includes disconnecting a first test cable from the second power meter of the first OLTS, connecting the first test cable directly to a connection port of the first OLTS, and determining a second characterization power of the first OLTS by measuring an optical power of light transmitted from the light source of the second OLTS with the first power meter of the first OLTS.
An optical connection apparatus for a fiber optic connector is provided. The fiber optic connector has at least one optical fiber extending therethrough and terminating at a fiber end. The apparatus includes a photodetector, the photodetector including a photosensitive area having a first width along a first axis. The apparatus further includes an optical converging lens spaced from the photosensitive area along a second axis perpendicular to the first axis, the lens including an aperture having a second width along the first axis. A first distance is defined along the second axis between the photosensitive area and the lens. The apparatus further includes a body defining a slot for insertion of the fiber optic connector. A second distance is defined from the lens, the second distance opposite the first distance relative to the lens.
An organizer assembly includes a primary basket extending along a longitudinal axis between a first open end and a second closed end, the primary basket defining an interior. The organizer assembly further includes a bracket assembly extending along a transverse axis at the first open end of the basket, the bracket assembly including a plurality of hinge assemblies. The organizer assembly further includes a plurality of organizer trays, each of the plurality of organizer trays rotatably connectable to the bracket assembly at one of the plurality of hinge assemblies. Each of the plurality of organizer trays is rotatable between a first position wherein the organizer tray is aligned along the longitudinal axis and a second position wherein the organizer tray is aligned along the transverse axis.
A butt closure base includes a base housing extending along a longitudinal axis between a first outer surface and a second outer surface, the base housing defining a plurality of cavities between the first and second outer surfaces, the plurality of cavities aligned in an annular array. A first gel is disposed in each of the plurality of cavities. The butt closure base further includes a plurality of wedge assemblies, each of the plurality of wedge assemblies removably insertable into one of the plurality of cavities. Each of the plurality of wedge assemblies includes an outer cover, a second gel, and a main pressure plate in contact with the second gel. The main pressure plate is movable along the longitudinal axis to apply pressure to the second gel.
A method of identifying and testing an optical fiber includes emitting light into the optical fiber. The light includes an identification signal and a testing signal. The method also includes reading the identification signal and the testing signal with a single device. The method further includes determining an identity of the optical fiber based on the identification signal with the single device and determining a status of the optical fiber based on the testing signal with the single device.
A cable assembly includes a cable and a cable mounting clamp. The cable mounting clamp includes a base removably connectable to a surface. The base may include a tab removably insertable into an aperture defined in the surface and a lock releasably connectable to the surface. The base further includes an outer body which defines an inner channel and a support ramp disposed within the inner channel, the inner channel extending along a longitudinal axis. The cable mounting clamp further includes a cap connectable to the base to further define the inner channel therebetween. The cable mounting clamp further includes a roller tube disposed within the inner channel and rotatably mounted on the support ramp, the roller tube rotatable about the longitudinal axis.
A furcation assembly includes a body defining a furcation block receiving portion and a cable receiving portion. The furcation assembly further includes a furcation block positioned within the furcation block receiving portion, and a cable retainer disposed within the cable receiving portion. The furcation assembly further includes a housing receivable around the body such that the furcation block and cable retainer are disposed within the housing. In some embodiments, the cable retainer includes a crimp wing crimpable into contact with the multiple fiber cable to retain the multiple fiber cable, the crimp wing including a burr. In some embodiments, the body including a longitudinally extending rail, the housing defines an interior and a longitudinally extending slot, and the rail extends into the slot when the housing is received around the body.
A method for calibrating an OLTS includes calibrating a first optical power meter of the OLTS using a stabilized light source. The method further includes calibrating a second optical power meter of the OLTS using the stabilized light source. The method further includes setting a power of an internal light source using the calibrated first optical power meter. A calibration cable is connected to a first test port and a second test port during setting of the power level, and a connection of the calibration cord to the second test port is maintained between calibrating of the second optical power meter and setting of the power level.
A monitoring cable includes an outer jacket having a generally rectangular cross-sectional profile. The monitoring cable further includes a strain monitoring unit disposed within the outer jacket, the strain monitoring unit including a plurality of optical fibers embedded in a potting layer. The monitoring cable further comprises a protective unit disposed within the outer jacket and spaced from the strain monitoring unit, the protective unit including an optical fiber disposed within a metal outer jacket. A method for monitoring a rail track includes attaching a monitoring cable to the rail track. The method further includes monitoring strain of the rail track by measuring movement of the optical fibers of the strain monitoring unit.
B61L 23/04 - Dispositifs de commande, d'avertissement ou autres dispositifs de sécurité le long de la voie ou entre les véhicules ou les trains pour contrôler l'état mécanique de la voie
An apparatus for measuring optical power includes a first component configured to at least one of multiplex or demultiplex between a first composite optical waveguide and at least a first intermediate optical waveguide and a second intermediate optical waveguide. The apparatus further includes a second component configured to at least one of multiplex or demultiplex between a second composite optical waveguide and at least the first intermediate optical waveguide and the second intermediate optical waveguide. The apparatus further includes a first optical coupler positioned along the first intermediate optical waveguide and a second optical coupler positioned along the second intermediate optical waveguide. The apparatus further includes a first photodetector, a second photodetector, a first measurement device, and a second measurement device.
H04B 10/079 - Dispositions pour la surveillance ou le test de systèmes de transmission; Dispositions pour la mesure des défauts de systèmes de transmission utilisant un signal en service utilisant des mesures du signal de données
H04J 14/02 - Systèmes multiplex à division de longueur d'onde
A patch panel may include a tray that is slidable between a retracted position and an extended position on tray supports and features for holding the tray in the retracted position and in the extended position. The patch panel may also include a cassette that is slidable on cassette supports, latches for engaging the cassette to block movement of the cassette and features for disengaging the latches.
A fiber optic transition assembly includes a drop cable including a plurality of optical fibers and an outer jacket. The assembly further includes a plurality of furcation cables, each of the plurality of furcation cables surrounding an extended portion of one of the plurality of optical fibers. The assembly further includes a plurality of biasing members, each of the plurality of biasing members surrounding a first end portion of each of the plurality of furcation cables. The assembly further includes a transition member defining an interior, wherein a second end of the outer jacket and first ends of each of the plurality of furcation cables are disposed within the interior, each of the plurality of biasing members is at least partially disposed within the interior, and the plurality of optical fibers extend from the outer jacket to the furcation cables within the interior.
A cable support device defines a longitudinal axis, a lateral axis, and a transverse axis. The cable support device includes a first clamp plate which defines a plurality of slots, each of the plurality of slots extending into the first clamp plate from a front face of the first clamp plate and extending along the lateral axis. The cable support device further includes a second clamp plate which includes a front face. The cable support device further includes a mechanical fastener extending through the first clamp plate and the second clamp plate along the transverse axis to connect the first clamp plate and second clamp plate together.
A fiber optic splice enclosure includes a basket. The basket includes an outer shell, the outer shell including an outer sidewall defining at least a portion of a periphery of the basket. The basket further includes an insert disposed within the outer shell, the insert including a first sidewall and a second sidewall spaced apart from each other along a transverse axis and each extending along a longitudinal axis to define an inner channel therebetween. The first sidewall and the second sidewall are each further spaced apart from the outer sidewall along the longitudinal axis to define a first outer channel and a second outer channel. The fiber optic splice enclosure further includes a splice tray assembly including at least one splice tray, the splice tray assembly disposed within the inner channel.
An optical connection terminal assembly for a fiber optic communications network includes an optical connection terminal (100). The terminal includes: a base (152) including an exterior wall (160), and a cover (154) connected to the base wherein an interior cavity (156) is defined between the base and the cover; and an all- dielectric self-supporting ("ADSS") cable port (118) defined in the cover, and a plurality of connector ports (124) defined in the exterior wall of the base. The terminal assembly further includes: an ADSS cable connector (200) including a main body (202) and a connector body (204), the ADSS cable connector positionable such that the connector body extends through the ADSS cable port into the interior cavity; and an ADSS cable (12) connected to the cable connector, wherein optical fibers (60) of the ADSS cable extend through the ADSS cable connector and through the ADSS cable port into the interior cavity.
A fiber optic distribution cable includes a jacket formed from one of a polyvinyl chloride or a low smoke zero halogen material. The jacket includes an outer surface and an inner surface, wherein the outer surface is an exterior surface of the cable and the inner surface defines an interior space of the cable. The fiber optic distribution cable further includes a plurality of optical fibers disposed within the interior space, and a plurality of strength members disposed within the interior space. A fiber density of the cable is greater than 1.3 fibers per square millimeter.
A downhole cable (10) includes a central core (20). The central core (20) includes a metal tube (22) having a plurality of optical fibers (24) therein or a copper wire (26). The downhole cable (10) further includes an extruded aluminum tube (12) surrounding the central core (20).
E21B 47/12 - Moyens pour la transmission de signaux de mesure ou signaux de commande du puits vers la surface, ou de la surface vers le puits, p.ex. pour la diagraphie pendant le forage
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p.ex. câbles de transmission optique
A interior distribution cabinet includes a body defining an interior, the interior including a provider portion and a subscriber portion. The body further defines a subscriber cable entry slot, the subscriber cable entry slot disposed in a portion of the body defining the subscriber portion. The interior distribution cabinet further includes a first door selectively providing access to the provider portion, and a second door selectively providing access to the subscriber portion. The interior distribution cabinet further includes a connector storage tray disposed within the subscriber portion, the connector storage tray including a tray body defining a plurality of connector slots.
A fiber optic distribution cable includes a central inner jacket formed from one of a polyvinyl chloride or a low smoke zero halogen material, a plurality of optical fibers disposed within the inner jacket, and a plurality of first strength members disposed within the inner jacket. The fiber optic distribution cable further includes an outer jacket surrounding the central inner jacket, the outer jacket formed from the one of the polyvinyl chloride or the low smoke zero halogen material, and a plurality of second strength members disposed between the outer jacket and the central inner jacket. A fiber density of the cable is greater than 0.65 fibers per square millimeter.
An optical fiber test apparatus includes an optical power meter operable to detect light at a predetermined wavelength, and a laser source operable to generate a visible laser beam. The optical fiber test apparatus further includes an optical fiber extending between a first end and a second end, and a diplexer which includes a first optical connector and is coupled to the optical power meter, the laser source, and the first end of the optical fiber. The optical fiber test apparatus further includes a second optical connector coupled to the second end of the optical fiber and including a test port. The diplexer is operable to transmit light at the predetermined wavelength from the second optical connector to the optical power meter and transmit the visible laser beam from the laser source to the second optical connector.
H04B 10/073 - Dispositions pour la surveillance ou le test de systèmes de transmission; Dispositions pour la mesure des défauts de systèmes de transmission utilisant un signal hors service
60.
CONDUCTOR CONNECTOR ACCESSORIES AND METHODS FOR CONNECTING CONDUCTORS TO CONDUCTOR CONNECTOR ACCESSORIES
A method for connecting a conductor and a conductor connector accessory includes inserting an end portion of the conductor into an interior of a tube, and inserting the tube into an interior of a barrel. The barrel defines a plurality of radial passages extending between an outer surface of the barrel and the interior of the barrel. The method further includes providing a plurality of lobes, each of the plurality of lobes disposed within one of the plurality of passages. The method further includes inserting the barrel into an interior of an outer shell, and compressing the outer shell, barrel, lobes, tube and end portion together.
H02G 7/05 - Dispositifs ou dispositions pour suspendre les lignes ou câbles électriques
H02G 1/14 - Méthodes ou appareils spécialement adaptés à l'installation, entretien, réparation, ou démontage des câbles ou lignes électriques pour la jonction ou la terminaison de câbles
H01R 4/20 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c. à d. se touchant l'un l'autre; Moyens pour réaliser ou maintenir de tels contacts; Connexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation effectuées uniquement par torsion, enroulage, pliage, sertissage ou autre déformation permanente par sertissage en utilisant un manchon de sertissage
H01R 13/03 - Contacts caractérisés par le matériau, p.ex. matériaux de plaquage ou de revêtement
61.
OPTICAL FIBER ADAPTERS AND CONNECTORS HAVING WAVELENGTH FILTERING COMPONENTS
Optical fiber adapters and connectors are provided. An optical fiber adapter (10) includes an adapter body (12), the adapter body (12) extending along a longitudinal axis (14) between a first end (16) and a second end (18) and comprising a first adapter portion (20) which includes the first end (16) and a second adapter portion (22) which includes the second end (18). Each of the first adapter portion (20) and the second adapter portion (22) is one of a male adapter portion or a female adapter portion. The optical fiber adapter (10) further includes a ferrule (30) disposed within the adapter body (12), the ferrule (30) extending along the longitudinal axis (14) between a first end (16) and a second end (18), and a thin-film filter (40) provided on one of the first end (16) or the second end (18) of the ferrule (40), wherein the thin-film filter (40) limits the wavelengths of light transmitted therethrough to within a predetermined wavelength range.
A swage die (50) includes a plurality of teeth (60) aligned in a generally arcuate array. Each tooth (60) of the plurality of teeth (60) includes a first sidewall (62), an opposing second sidewall (64), a first endwall (66), and an opposing second endwall (68). The swage die (50) further includes a plurality of first supports (70), each of the plurality of first supports (70) extending between and connected to first endwalls (66) of neighboring teeth (60), and a plurality of second supports (80), each of the plurality of second supports (80) extending between and connected to second endwalls (68) of neighboring teeth (60). The swage die (50) further includes a plurality of stops (100), each of the plurality of stops (100) extending from the first sidewall (62) of a tooth (60) towards the second sidewall (64) of a neighboring tooth (60) or from the second sidewall (64) of a tooth (60) towards the first sidewall (62) of a neighboring tooth (60).
B21D 39/04 - Utilisation de procédés permettant d'assembler des objets ou des parties d'objets, p.ex. revêtement par des tôles, autrement que par placage; Dispositifs de mandrinage des tubes des tubes avec des barres
A cable support device includes a body having a first bracket and a cap having a first hinge. The cable support device further includes a transition piece disposed between the body and the cap. The transition piece includes an integrally formed body portion and oppositely-facing cap portion. The body portion has an inner surface defining a body portion groove extending longitudinally from a first end to an opposite end of the body portion. The body portion further includes a second bracket. The cap portion has an inner surface defining a cap portion groove extending longitudinally from a first end to an opposite end of the cap portion. The cap portion further includes a second hinge.
H02G 7/05 - Dispositifs ou dispositions pour suspendre les lignes ou câbles électriques
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p.ex. câbles de transmission optique
F16L 3/22 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p.ex. potences, pattes de fixation, attaches, brides, colliers spécialement adaptés pour supporter un certain nombre de tuyaux parallèles séparés par un espace
F16L 3/10 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p.ex. potences, pattes de fixation, attaches, brides, colliers entourant pratiquement le tuyau, le câble ou le conduit de protection fractionnés, c. à d. à deux éléments en prise avec le tuyau, le câble ou le conduit de protection
A method for cleaving an optical fiber may include generating a laser beam, such as a CO2 laser beam, for a discrete time period. The laser beam may impact an optical fiber and form a discrete crater extending into the optical fiber from the outer surface thereof. The method may further include pausing generation of the laser beam for a discrete time period, and rotating the optical fiber about a longitudinal axis of the optical fiber. The method may further include repeating generation of the laser beam. A plurality of discrete craters disposed in an annular array about a circumference of the optical fiber may be formed. The method may further include separating the optical fiber into a main optical fiber portion and a cleaved portion after formation of the annular array of discrete craters.
A downhole logging cable includes a central conductor. Optical fibers are provided around the central conductor. The optical fibers are disposed within a cladding which surrounds and contacts the central conductor. A jacket surrounds and contacts the cladding. At least one metal tube surrounds the jacket.
A downhole strain sensing cable includes a core optical unit which includes a plurality of optical fibers. A fiber-reinforced polymer matrix layer surrounds and contacts the core optical unit. An extrusion layer surrounds and contacts the fiber-reinforced polymer matrix layer. An outer metal tube surrounds and contacts the extrusion layer.
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p.ex. câbles de transmission optique
E21B 47/00 - Relevés dans les trous de forage ou dans les puits
E21B 47/12 - Moyens pour la transmission de signaux de mesure ou signaux de commande du puits vers la surface, ou de la surface vers le puits, p.ex. pour la diagraphie pendant le forage
G01L 1/24 - Mesure des forces ou des contraintes, en général en mesurant les variations des propriétés optiques du matériau quand il est soumis à une contrainte, p.ex. par l'analyse des contraintes par photo-élasticité
67.
DOWNHOLE LOGGING CABLES WITH CORE CONDUCTOR AND OPTICAL UNITS
A downhole logging cable includes a core conductor unit and a core optical unit. The core conductor unit may include a conductor and a jacket which surrounds and contacts the conductor. At least one metal tube may surround the core conductor unit and core optical unit, such that the core conductor unit and core optical unit are disposed in an interior of the at least one metal tube. A filler may be provided in the interior surrounding the core conductor unit and core optical unit.
Cable connector accessory assemblies and methods for connecting cables and cable connector accessories are provided. A cable connector accessory assembly includes a cable connector accessory. The cable connector accessory is formed from an aluminum and includes a main body defining a bore. The main body includes an outer surface and an inner surface. The inner surface defines the bore. The cable connector accessory assembly further includes a grit coating disposed on the inner surface, and an interface material surrounding and in contact with the outer surface of the main body. The cable connector accessory assembly further includes an explosive, the explosive including a detonation cord surrounding the outer surface of the main body and in contact with the interface material.
H01R 4/08 - Connexions conductrices de l'électricité entre plusieurs organes conducteurs en contact direct, c. à d. se touchant l'un l'autre; Moyens pour réaliser ou maintenir de tels contacts; Connexions conductrices de l'électricité ayant plusieurs emplacements espacés de connexion pour les conducteurs et utilisant des organes de contact pénétrant dans l'isolation effectuées au moyen d'une explosion
H01R 4/62 - Connexions entre des conducteurs constitués de matériaux différents; Connexions entre ou avec des conducteurs en aluminium avec ou sans âme en acier
An optical fiber inline splice assembly includes a first optical fiber cable, the first optical fiber cable including a first optical fiber having a first end, and a second optical fiber cable, the second optical fiber cable including a second optical fiber having a second end, wherein the first end and second end are optically spliced together. The optical fiber inline splice assembly further includes a splice sleeve assembly, the splice sleeve assembly including a base and a lid mated with each other, the first end and the second end disposed within the splice sleeve assembly between the base and the lid, the splice sleeve assembly further including a first end connector and a second end connector, the first end connector and second end connector removably attached to the base and the lid to secure the first end and the second end within the splice sleeve assembly between the base and the lid.
An optical fiber bulkhead splice assembly (10) may include an optical transceiver module (12) including an enclosure (14) and a bulkhead (16) extending from the enclosure. The optical transceiver module (12) may further include a first optical fiber (30) extending from the enclosure (14) through the bulkhead (16). The assembly (10) may further include a fiber optic cable (34) comprising a second optical fiber (36). The assembly (10) may further include a splice sleeve assembly (40) at least partially disposed within the bulkhead (16). A first end of the first optical fiber and a second end of the second optical fiber may be optically spliced together and disposed within the splice sleeve assembly.
A swage die (50) includes a plurality of teeth (60) aligned in a generally arcuate array. Each tooth of the plurality of teeth (60) includes a first sidewall (62), an opposing second sidewall (64), a first endwall (66), and an opposing second endwall (68). The swage die (50) further includes a plurality of first supports (70), each of the plurality of first supports (70) extending between and connected to first endwalls (66) of neighboring teeth (60), and a plurality of second supports (80), each of the plurality of second supports (80) extending between and connected to second endwalls (68) of neighboring teeth (60). The swage die (50) further includes a plurality of stops (110), each of the plurality of stops (110) extending from a first support (70) towards a neighboring first support (70) or from a second support (80) towards a neighboring second support (80).
B21D 39/04 - Utilisation de procédés permettant d'assembler des objets ou des parties d'objets, p.ex. revêtement par des tôles, autrement que par placage; Dispositifs de mandrinage des tubes des tubes avec des barres
72.
OPTICAL FIBERS AND CABLES FOR HIGH TEMPERATURE APPLICATIONS
Optical fibers and optical fiber cables are provided. An optical fiber includes an optical fiber, the optical fiber comprising a core and a cladding, and a metal coating surrounding the cladding, the metal coating extending along the entire axial length of the optical fiber. The optical fiber further includes a powder coated on an outer surface of the metal coating, wherein the powder is one of a mineral, a ceramic, or a carbon.
Encircled flux compliant test apparatus are provided. A test apparatus (10) includes an optical connector (30), and a light source (20), the light source operable to emit encircled flux compliant light. The test apparatus further includes a first collimator (60), and a beam splitter (70) optically aligned with the first collimator. The test apparatus further includes a first optical fiber pigtail (80) connected to the light source (20), and a second optical fiber pigtail (82) connected between the optical connector (30) and the first collimator (60). A first portion (202) of the light emitted by the light source is transmitted from the first optical fiber pigtail by the beam splitter and first collimator to the second optical fiber pigtail, and from the second optical fiber pigtail to the optical connector.
An optical connection terminal for a fiber optic communications network includes a base, the base comprising an exterior wall. The terminal further includes a cover connected to the base, wherein an interior cavity is defined between the base and the cover. The cover includes a bottom panel, a first end wall, a second opposing end wall, a first sidewall, and a second opposing sidewall, wherein the bottom panel extends between the first end wall and opposing second end wall and between the first side wall and second opposing sidewall. The terminal further includes an exterior channel defined in the bottom panel, and a stub cable port defined in the bottom panel within the exterior channel of the cover. The terminal further includes a plurality of connector ports defined in the exterior wall of the base.
A tactical deployable cable is provided. The cable includes a fiber optic unit. The fiber optic unit includes a plurality of optical fibers, each of the plurality of optical fibers having a maximum nominal outer diameter of less than or equal to about 250 microns. The fiber optic unit further includes a UV cured resin layer surrounding and encapsulating the plurality of optical fibers. The fiber optic unit further includes a thermoplastic elastomer buffer layer surrounding the UV cured resin layer. The cable may include a thermoplastic jacket surrounding the fiber optic unit, and a plurality of strength members disposed between the jacket and the fiber optic unit.
A laser feedback control system includes a laser operable to emit a laser beam. The control system further includes a prism mirror which includes a first reflective surface. The first reflective surface is oriented to reflect the laser beam at a first angle to a first direction of travel of the laser beam. The control system further includes a sampling mirror, the sampling mirror partially reflective and oriented such that the laser beam reflected at the first angle by the first reflective surface encounters the sampling mirror at a polarization insensitive angle of incidence. The control system further includes a detector positioned to detect a portion of the laser beam transmitted through the sampling mirror.
G02B 17/04 - Systèmes catoptriques, p.ex. systèmes redressant et renversant une image utilisant uniquement des prismes
G03B 7/08 - Réglage effectué uniquement sur la base de la réponse, à l'intensité de l'éclairage reçu par l'appareil, d'un dispositif incorporé sensible à la lumière
H01S 5/12 - Structure ou forme du résonateur optique le résonateur ayant une structure périodique, p.ex. dans des lasers à rétroaction répartie [lasers DFB]
An optical fiber test apparatus includes an optical power meter operable to detect light at a predetermined wavelength, and a laser source operable to generate a visible laser beam. The optical fiber test apparatus further includes an optical connector comprising a test port, and an optical fiber extending between a first end and a second end and coupled at the second end to the optical connector. The optical fiber test apparatus further includes a coupling device, the coupling device coupled to the optical power meter, the laser source, and the first end of the optical fiber. The coupling device is operable to transmit light at the predetermined wavelength from the optical connector to the optical power meter and transmit the visible laser beam from the laser source to the optical connector.
G01M 11/00 - Test des appareils optiques; Test des structures ou des ouvrages par des méthodes optiques, non prévu ailleurs
H04B 10/07 - Dispositions pour la surveillance ou le test de systèmes de transmission; Dispositions pour la mesure des défauts de systèmes de transmission
H04J 14/02 - Systèmes multiplex à division de longueur d'onde
78.
OPTICAL FIBER ASSEMBLIES AND METHODS FOR FORMING SAME
A method for forming an optical fiber assembly includes splicing a first fiber and a second fiber together. The first fiber is one of a single mode optical fiber or a multi-mode optical fiber and the second fiber is a coreless silica fiber. The method further includes heating the second fiber, and applying a tensile force to the second fiber during heating of the second fiber. The method further includes discontinuing application of the tensile force when a minimum neck thickness of the second fiber is below a neck thickness threshold. The method further includes discontinuing heating after discontinuing application of the tensile force and after the second fiber has separated into a tip portion and a detached portion, the tip portion connected to the first fiber.
A micro-duct cable includes a center member and a plurality of buffer tubes surrounding the center member. A plurality of fibers are disposed in each of the plurality of buffer tubes. Each of the plurality of buffer tubes contains greater than or equal to 24 fibers. The micro-duct cable further includes a cable jacket surrounding the plurality of buffer tubes and the center member. A maximum outer diameter of the cable is less than 13 millimeters and a modulus of elasticity of the cable is greater than or equal to 800 kpsi.
A pressure housing assembly according to exemplary aspects includes: a saddle assembly configured to encase a midpoint access section of a cable; and a pressure housing configured to be mounted on the saddle assembly. The saddle assembly has a first cable SSTL tube opening where a first seal member is provided; and a second cable SSTL tube opening where a second seal member is provided. The pressure housing has a corresponding first cable SSTL tube opening where a third seal member is provided; a second cable SSTL tube opening where a fourth seal member is provided; and a port configured to allow at least one penetrator to be inserted therethrough. The saddle assembly comprises a seal block configured to at least partially surround the midpoint access section of the cable.
An optical fiber trunk cable breakout canister comprising a main canister portion having a first smaller end and a second larger end. A stop is defined at a predetermined axial distance from the second larger end. A nozzle plate is received in the second larger end of the main canister portion and engages the stop, the nozzle plate carrying a plurality of axial nozzles. The distance between the nozzle plate and the second larger end of the main canister portion is greater than the axial length of the nozzles. In this embodiment, potting material is located in the main canister portion so as to cover and seal ends of the nozzles.
A terminal enclosure with a terminal base with a hole; a terminal lid with an adapter mounting face and a mounting hole in the mounting face; a right angle transition body with first and second ends; an adapter which passes through the mounting hole and is mounted to the mounting face; and a fiber optic cable, attached to the second end of the right angle transition body, with an optical fiber with a connector at one end. The mounting face is formed at an angle α, between 0 and 180 degrees, from a plane formed where the terminal lid and base meet. The optical fiber connector is connected to the adapter. The first end of the right angle transition body passes through the terminal base hole. The terminal base and terminal lid are configured to be attached together.
G02B 6/00 - OPTIQUE ÉLÉMENTS, SYSTÈMES OU APPAREILS OPTIQUES - Détails de structure de dispositions comprenant des guides de lumière et d'autres éléments optiques, p.ex. des moyens de couplage
83.
WALL-MOUNTABLE OPTICAL FIBER DISTRIBUTION TERMINAL ASSEMBLY
An optical fiber distribution terminal assembly comprises a housing having a rear housing portion and a front housing portion moveable between an open position and a closed position defining an interior. The housing further defines at least one port for passage of a optical fiber distribution cable. A rotatable reel is located in the interior of the housing, the reel carrying a length of optical fiber distribution cable. A distribution module, also located in the housing, is operative to distribute source fibers of the optical fiber distribution cable to individual subscriber cables.
B65H 75/34 - Noyaux, gabarits, supports ou pièces de tenue pour matériau bobiné, enroulé ou plié, p.ex. tourets, broches, bobines, tubes à cannette, boîtes spécialement adaptés ou montés pour stocker, dérouler de façon répétée et stocker à nouveau des longueurs de matériau prévues pour des buts particuliers, p.ex. tuyaux souples à poste fixe, câbles de force
84.
MERGING TECHNIQUE FOR OTDR TRACES CAPTURED BY USING DIFFERENT SETTINGS
An Optical Time Domain Reflectometer (OTDR) tests an optical fiber by generating, transmitting, and receiving light signals from an optical fiber. The OTDR generates light signals having different characteristics and stitches these light signals into an OTDR trace. Backscatter and properties such as dynamic range effect the quality of the OTDR trace.
H04B 10/071 - Dispositions pour la surveillance ou le test de systèmes de transmission; Dispositions pour la mesure des défauts de systèmes de transmission utilisant un signal réfléchi, p.ex. utilisant des réflectomètres optiques temporels [OTDR]
A terminal has a barrel with a cavity; a pad, wherein the pad includes a substantially flat part; and a connecting part between the barrel and the pad, wherein the terminal is a single component, and the pad and the connecting part are forged. A method for fabricating a terminal involves forging wherein the terminal is a single component.
Method and apparatus for producing metal-coated optical fiber involves feeding a length of glass fiber through a first solution bath so as to plate a first predetermined metal on the glass fiber via electroless deposition. The length of glass fiber is passed continuously from the first solution bath to a second solution bath adapted to plate thereon a second predetermined metal via electrolytic plating such that the optical fiber contacts an electrode only after at least some of the second predetermined metal has been applied. The length of glass fiber may be passed continuously from the second solution bath to a third solution bath adapted to plate thereon a third predetermined metal via electrolytic plating.
A device for rotating a reel of fiber optic cable comprising an elongated L-shaped frame with a first side for supporting a reel in its vertical position and a second side for supporting a reel in its horizontal position. Each of the first and the second sides may be supported by casters. When the L-shaped frame is in the vertical or horizontal position orientation, the casters provide a clearance gap between the floor and at least one transition disc which is located at the vertex of the L-shaped frame. The reel of fiber optic cable may be rotated from its vertical position to its horizontal position by adjusting the tension of chains attached to the distal ends of the L-shaped frame, thus shifting the weight from the first-side support casters, onto the transition disc, and onto the second-side support casters.
B65G 7/08 - Dispositifs adaptés pour être interposés entre les charges et le sol ou le plancher, p.ex. pinces avec moyens pour aider au déplacement des charges pour basculer les charges
88.
OPTICAL FIBER FURCATION TRANSITION ASSEMBLY WITH INTEGRATED RETENTION FEATURE
An optical fiber transition assembly comprises a cable having a first terminal end from which extends an optical fiber. A furcation tube is also provided, having a second terminal end near the first terminal end of the cable into which the optical fiber of the cable is received. A polymeric transition element surrounds the first and second terminal ends to protect and secure the optical fiber in transition from the cable to the furcation tube, the polymeric transition element being configured to be retained in an entry port of an enclosure.
Apparatus and method for producing metal-coated optical fiber is provided. One step of such a method comprises providing a length of optical fiber having a glass fiber with or without a carbon layer surrounded by a polymeric, thermoplastic resin or wax coating. The optical fiber is passed through a series of solution baths such that the fiber will contact the solution in each bath for a predetermined dwell time, the series of solution baths or thermal tooling effecting removal of the polymer, thermoplastic resin or wax coating and subsequent electroless plating of metal on the glass fiber. The optical fiber is collected after metal plating so that a selected quantity of said metal-coated optical fiber is gathered. At least one of the solution baths comprises a coiled tube containing the process solution through which the glass fiber passes. Aspects of the present invention are also applicable to conventional metal wire where it is desirable to reduce physical length of the process line.
A reduced diameter composite microcable of low weight that is capable of withstanding a tensile load of at least 300 pounds with less than 0.6% fiber strain, is capable of operation between -40 C and 70 C with less than 0.1 dB/km attenuation change at 1550 nm, and whose outer diameter is less than 15 mm is provided. The microcable includes at least one buffer tube, at least one electrical power conductor, at least one rigid strength member cabled together into a multi-unit core, wherein a plurality of optical fibers are placed within the at least one buffer tube.
A method of making a bent tip fiber ball lens by moving a bender to a first side of a ball lens at an end of an optical fiber that has a first axis; moving the bender in a first direction such that the bender applies a force to the ball lens, wherein the ball lens and optical fiber is bent such that a first angle between the first axis and a second axis, which extends from an end of the ball lens and the end of the optical fiber is greater than zero; applying heat, for a first time, to the optical fiber at a location that is a first distance from the ball lens; removing the heat and allowing the optical fiber to harden such that the first angle is maintained after the bender force is removed.
A wedge device for use with a fiber optic connector comprises an insert body comprising a light transmissive material. The insert body defines a wedge portion integrally extending into a light pass structure, the light pass structure terminating in a single upper face distal from the wedge portion. For example, wedge device may be a unitary member formed entirely of the light transmissive material.
A cable for land based seismic array system includes a plurality of fibers, an aramid strength member, and a thermoplastic polyurethane (TPU) Jacket, wherein a total number of the plurality of fibers is greater than or equal to 48, a diameter of the cable is less than 10 millimeter (mm), and a weight of the cable per unit distance is less than 50 kilogram (Kg) / kilometer (Km).
An enhanced optical fiber fusion splice with a first optical fiber spliced to a second optical fiber; a strength enhancer surrounding the first fiber, the second fiber and the splice; wherein the first fiber has a melting point of less than approximately 1000 degrees C.
A method of tracing a complete span of a fiber includes inferring a reference point on the fiber based on a measured length of the fiber, setting a pulse width and a measurement range based on the inferred reference point, shooting a fiber from a master unit, attached to one end of the fiber, to collect trace past the inferred reference point, shooting a fiber from a slave unit, attached to an opposite end of the fiber, to collect trace past the inferred reference point, cropping the collected traces captured by the master unit and the slave unit past the inferred reference point, inverting a slope of the trace of the slave unit using measurement loss information and combining the trace of the master unit and the trace of the slave unit, with the inverted slope, to obtain a complete and accurate trace of the fiber.
H04B 10/00 - Systèmes de transmission utilisant des ondes électromagnétiques autres que les ondes hertziennes, p.ex. les infrarouges, la lumière visible ou ultraviolette, ou utilisant des radiations corpusculaires, p.ex. les communications quantiques
A method of concurrently testing a plurality of transmission mediums, using a testing device incorporating at least one processor and a single test program that allows a user to view multiple instruments as a single instrument with multiple input and output ports, includes setting up a plurality of instrument functions to perform tests on the plurality of transmission mediums using the single test program, and concurrently performing tests on the plurality of transmission mediums using the plurality of instrument functions.
G01R 27/28 - Mesure de l'atténuation, du gain, du déphasage ou des caractéristiques qui en dérivent dans des réseaux électriques quadripoles, c. à d. des réseaux à double entrée; Mesure d'une réponse transitoire
G01R 21/00 - Dispositions pour procéder aux mesures de la puissance ou du facteur de puissance
A fiber optic splice tray assembly comprises an organizer plate and an interconnection arrangement for attachment of the splice tray assembly to at least one other splice tray assembly in stacked fashion, the interconnection arrangement including a plurality of snap connectors. Preferably, the snap connectors are integrally formed with the organizer plate. For example, the snap connectors may be formed having an upper cup and a depending ball, the ball being sized to fit into a socket of an adjacent splice tray assembly.
G02B 6/00 - OPTIQUE ÉLÉMENTS, SYSTÈMES OU APPAREILS OPTIQUES - Détails de structure de dispositions comprenant des guides de lumière et d'autres éléments optiques, p.ex. des moyens de couplage
98.
SPLICE-ON OPTICAL CONNECTOR FOR OUTSIDE PLANT DROP CABLE
A connector assembly for a fiber optic cable comprises a multi-part inner housing adapted to support an optical fiber splice connection structure. A cable clamp is located at a proximal end of the inner housing and is adapted to engage an outer sheath of a fiber optic cable. Preferably, the cable clamp is rotatable with respect to the inner housing.
A method of conducting wireless fiber inspection includes obtaining a video stream from an inspection probe and transmitting the video stream over a Wi-Fi network. The method further includes creating the Wi-Fi network using a Wi-Fi hotspot, performing image analysis on the obtained video stream, and transmitting the image analysis along with the video stream over the Wi-Fi network.
Provided is a parallel groove clamp with a body; at least one tap configured to engage with a cable; and at least one indentation provided on outermost surface of the body.
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