IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • G - Physics
  • G03B - Apparatus or arrangements for taking photographs or for projecting or viewing them; apparatus or arrangements employing analogous techniques using waves other than optical waves; accessories therefor
G03B 1/00 Film-strip handling of general interest for cameras, projectors or printers
G03B 1/02 Moving film strip by pull on end thereof
G03B 1/04 Pull exerted by take-up spool
G03B 1/06 Pull exerted by take-up spool rotated by lever-operated ratchet and pawl
G03B 1/08 Pull exerted by take-up spool rotated by band, chain, rack, or other linear reciprocating operation
G03B 1/10 Pull exerted by take-up spool rotated by knob through gearing
G03B 1/12 Pull exerted by take-up spool rotated by motor, e.g. spring
G03B 1/14 Special arrangements to ensure constant length of movement of film
G03B 1/16 Special arrangements to ensure constant length of movement of film by film-arresting pins
G03B 1/18 Moving film strip by means which act on the film between the ends thereof
G03B 1/20 Acting means
G03B 1/22 Claws or pins engaging holes in the film
G03B 1/24 Sprockets engaging holes in the film
G03B 1/26 Spiked wheels or pins not penetrating the film
G03B 1/28 Shuttle feed
G03B 1/30 Belt feed
G03B 1/32 Friction grippers or rollers
G03B 1/34 Beaters
G03B 1/36 Pneumatic acting means
G03B 1/38 Moving film strip by means which act on the film between the ends thereof embodying Geneva motion, e.g. Maltese-cross gearing
G03B 1/40 Film-strip handling of general interest for cameras, projectors or printers embodying frictional coupling or clutches
G03B 1/42 Guiding, framing, or constraining film in desired position relative to lens system
G03B 1/44 Guides engaging edge of film
G03B 1/46 Rollers engaging face of film, e.g. barrel, waisted, conical
G03B 1/48 Gates or pressure devices, e.g. plate
G03B 1/50 Gates or pressure devices, e.g. plate adjustable or interchangeable, e.g. for different film widths
G03B 1/52 Pneumatic pressure devices
G03B 1/54 Tensioning or loop-maintaining devices
G03B 1/56 Threading; Loop forming
G03B 1/58 Threading; Loop forming automatic
G03B 1/60 Measuring or indicating length of the used or unused film; Counting number of exposures
G03B 1/62 Measuring or indicating length of the used or unused film; Counting number of exposures involving locking or stop-motion devices
G03B 1/64 Measuring or indicating length of the used or unused film; Counting number of exposures by means which ascertain the radius of the film coiled on a spool
G03B 1/66 Counting number of exposures
G03B 3/00 Focusing arrangements of general interest for cameras, projectors or printers
G03B 3/02 Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
G03B 3/04 Focusing arrangements of general interest for cameras, projectors or printers adjusting position of image plane without moving lens
G03B 3/06 Focusing arrangements of general interest for cameras, projectors or printers adjusting position of image plane without moving lens using movable reflectors to alter length of light-path
G03B 3/10 Power-operated focusing
G03B 3/12 Power-operated focusing adapted for remote control
G03B 5/00 Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
G03B 5/02 Lateral adjustment of lens
G03B 5/04 Vertical adjustment of lens; Rising fronts
G03B 5/06 Swinging lens about normal to the optical axis
G03B 5/08 Swing backs
G03B 7/00 Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
G03B 7/01 Control of exposure by setting shutters, diaphragms or filters, separately or conjointly with selection of either manual or automatic mode
G03B 7/02 Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from, or built into, camera body
G03B 7/04 Control effected by hand adjustment of a member that senses indication of a pointer of a built-in light-sensitive device, e.g. by restoring pointer to a fixed associated reference mark
G03B 7/06 Control effected by hand adjustment of a member that senses indication of a pointer of a built-in light-sensitive device, e.g. by restoring pointer to a fixed associated reference mark by a follow-up movement of an associated reference mark to the pointer
G03B 7/08 Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
G03B 7/10 Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a servo-motor providing energy to move the setting member
G03B 7/12 Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaph
G03B 7/14 Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaph setting of both shutter and diaphragm aperture being effected so as to give the optimum compromise between depth of field and shortness of exposure
G03B 7/16 Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
G03B 7/17 Selection of modes in flash units by exposure control arrangements
G03B 7/18 Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with light-reducing "factor" of filter or other obturator used with or on the lens of the camera
G03B 7/20 Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with change of lens
G03B 7/22 Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with temperature or height, e.g. in aircraft
G03B 7/24 Control of exposure by setting shutters, diaphragms or filters, separately or conjointly automatically in accordance with markings or other means indicating film speed or kind of film on the magazine to be inserted in the camera
G03B 7/26 Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
G03B 7/28 Circuitry to measure or to take account of the object contrast
G03B 7/30 Safety arrangements for control of exposure
G03B 7/081 Analogue circuits
G03B 7/083 Analogue circuits for control of exposure time
G03B 7/085 Analogue circuits for control of aperture
G03B 7/087 Analogue circuits for control of both exposure time and aperture
G03B 7/089 Analogue circuits for storage of exposure value in mirror reflex cameras
G03B 7/091 Digital circuits
G03B 7/093 Digital circuits for control of exposure time
G03B 7/095 Digital circuits for control of aperture
G03B 7/097 Digital circuits for control of both exposure time and aperture
G03B 7/099 Arrangement of photoelectric elements in or on the camera
G03B 7/0805 Setting of priority modes
G03B 7/0993 Arrangement of photoelectric elements in or on the camera in the camera
G03B 7/0997 Through the lens [TTL] measuring
G03B 9/00 Exposure-making shutters; Diaphragms
G03B 9/02 Diaphragms
G03B 9/04 Single movable plate with two or more apertures of graded size, e.g. sliding plate or pivoting plate
G03B 9/06 Two or more co-operating pivoted blades e.g. iris type
G03B 9/07 Diaphragms with means for presetting the diaphragm
G03B 9/08 Shutters
G03B 9/10 Blade or disc rotating or pivoting about axis normal to its plane
G03B 9/12 Two relatively-adjustable aperture-defining members moving as a unit
G03B 9/14 Two separate members moving in opposite directions
G03B 9/16 Two separate members moving in the same direction
G03B 9/18 More than two members
G03B 9/20 More than two members each moving in a single direction first to open and then to reclose
G03B 9/22 More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type
G03B 9/24 Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable
G03B 9/26 Blade or disc rotating or pivoting about axis normal to its plane incorporating cover blade or blades
G03B 9/28 Roller blind or flexible plate
G03B 9/30 Single blind with multiple slots or other aperture
G03B 9/32 Double blind
G03B 9/34 Double blind with mechanism controlling relative movement of blinds to form slot
G03B 9/36 Sliding rigid plate
G03B 9/38 Single rigid plate with multiple slots or other apertures
G03B 9/40 Double plate
G03B 9/42 Double plate with mechanism controlling relative movement of plates to form slot
G03B 9/44 Curved track and plate
G03B 9/46 Flap shutters pivoting about axis in plane of flap
G03B 9/48 Double flap
G03B 9/50 Louvre type
G03B 9/52 Barrel shutters
G03B 9/54 Conical shutters; Rotating plate with axis of rotation inclined to optical axis of shutter
G03B 9/58 Means for varying duration of "open" period of shutter
G03B 9/60 Means for varying duration of "open" period of shutter by varying speed of movement of obturating members
G03B 9/62 Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement
G03B 9/64 Mechanism for delaying opening of shutter
G03B 9/66 Means for cocking shutter separate from means for releasing shutter
G03B 9/68 Cocking effected by movement of film
G03B 9/70 Exposure-making shutters; Diaphragms with flash-synchronising contacts
G03B 11/00 Filters or other obturators specially adapted for photographic purposes
G03B 11/02 Sky masks
G03B 11/04 Hoods or caps for eliminating unwanted light from lenses, viewfinders, or focusing aids
G03B 11/06 Lens caps for exposure making
G03B 13/00 Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
G03B 13/02 Viewfinders
G03B 13/04 Viewfinders of direct-vision type, e.g. frame, sighting mark
G03B 13/06 Viewfinders with lenses with or without reflectors
G03B 13/08 Viewfinders with lenses with or without reflectors with reflected image of frame
G03B 13/10 Viewfinders adjusting viewfinder field
G03B 13/12 Viewfinders adjusting viewfinder field to compensate for change of camera lens or size of picture
G03B 13/14 Viewfinders adjusting viewfinder field to compensate for parallax due to short range
G03B 13/16 Viewfinders combined with focusing aids
G03B 13/18 Focusing aids
G03B 13/20 Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
G03B 13/22 Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera coupling providing for compensation upon change of camera lens
G03B 13/24 Focusing screens
G03B 13/26 Focusing screens with magnifiers for inspecting image formed on screen
G03B 13/28 Image-splitting devices
G03B 13/30 Focusing aids indicating depth of field
G03B 13/32 Means for focusing
G03B 13/34 Power focusing
G03B 13/36 Autofocus systems
G03B 15/00 Special procedures for taking photographs; Apparatus therefor
G03B 15/02 Illuminating scene
G03B 15/03 Combinations of cameras with lighting apparatus; Flash units
G03B 15/04 Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
G03B 15/05 Combinations of cameras with electronic flash apparatus; Electronic flash units
G03B 15/06 Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio
G03B 15/07 Arrangements of lamps in studios
G03B 15/08 Trick photography
G03B 15/10 Trick photography using back-projection, i.e. blending artificial background with real foreground
G03B 15/12 Trick photography using mirrors
G03B 15/14 Special procedures for taking photographs; Apparatus therefor for taking photographs during medical operations
G03B 15/16 Special procedures for taking photographs; Apparatus therefor for photographing the track of moving objects
G03B 15/035 Combinations of cameras with incandescent lamps
G03B 17/00 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor
G03B 17/02 Bodies
G03B 17/04 Bodies collapsible, foldable or extensible, e.g. book type
G03B 17/06 Bodies with exposure meters or other indicators built into body but not connected to other camera members
G03B 17/08 Waterproof bodies or housings
G03B 17/10 Soundproof bodies
G03B 17/12 Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
G03B 17/14 Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
G03B 17/16 Bodies for containing both motion-picture camera and still-picture camera
G03B 17/17 Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
G03B 17/18 Signals indicating condition of a camera member or suitability of light
G03B 17/20 Signals indicating condition of a camera member or suitability of light visible in viewfinder
G03B 17/22 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor with means for cutting-off film
G03B 17/24 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film, e.g. title, time of exposure
G03B 17/26 Holders for containing light-sensitive material and adapted to be inserted within the camera
G03B 17/28 Locating light-sensitive material within camera
G03B 17/30 Locating spools or other rotatable holders of coiled film
G03B 17/32 Locating plates or cut films
G03B 17/34 Changing plates or cut films
G03B 17/36 Counting number of exposures
G03B 17/38 Releasing-devices separate from shutter
G03B 17/40 Releasing-devices separate from shutter with delayed or timed action
G03B 17/42 Interlocking between shutter operation and advance of film or change of plate or cut-film
G03B 17/44 Means for exchanging focusing screen and light-sensitive material
G03B 17/46 Means for exposing single frames in motion-picture camera
G03B 17/48 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
G03B 17/50 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus
G03B 17/52 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus of the Land type
G03B 17/53 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus for automatically delivering a finished picture after a signal causing exposure has been given, e.g. by pushing a button, by inserting a coin
G03B 17/54 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
G03B 17/55 APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR - Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
G03B 17/56 Accessories
G03B 17/58 Attachments for converting cameras into reflex cameras
G03B 19/00 Cameras
G03B 19/02 Still-picture cameras
G03B 19/04 Roll-film cameras
G03B 19/06 Roll-film cameras adapted to be loaded with more than one film, e.g. with exposure of one or the other at will
G03B 19/07 Roll-film cameras having more than one objective
G03B 19/08 Roll-film cameras with provision for alternative use with plates or cut-films
G03B 19/10 Plate or cut-film cameras
G03B 19/12 Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
G03B 19/14 Still-picture cameras with paired lenses, one of which forms image on photographic material and the other forms a corresponding image on a focusing screen
G03B 19/16 Pin-hole cameras
G03B 19/18 Motion-picture cameras
G03B 19/20 Reflex cameras
G03B 19/22 Double cameras
G03B 19/24 Motion-picture cameras adapted to be loaded with more than one film, e.g. with exposure of one or the other at will
G03B 19/26 Motion-picture cameras with fade-in and fade-out effects
G03B 21/00 Projectors or projection-type viewers; Accessories therefor
G03B 21/02 Multiple-film apparatus
G03B 21/04 Picture "juke-boxes"
G03B 21/06 Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
G03B 21/08 Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection
G03B 21/10 Projectors with built-in or built-on screen
G03B 21/11 Projectors with built-in or built-on screen for microfilm reading
G03B 21/12 Projectors or projection-type viewers; Accessories therefor adapted for projection of either still pictures or motion pictures
G03B 21/13 Projectors for producing special effects at the edges of picture, e.g. blurring
G03B 21/14 Projectors or projection-type viewers; Accessories therefor - Details
G03B 21/16 Cooling; Preventing overheating
G03B 21/18 Fire preventing or extinguishing
G03B 21/20 Lamp housings
G03B 21/22 Soundproof bodies
G03B 21/26 Projecting separately subsidiary matter simultaneously with main image
G03B 21/28 Reflectors in projection beam
G03B 21/30 Projectors or projection-type viewers; Accessories therefor - Details adapted to collapse or fold, e.g. for portability
G03B 21/32 Projectors or projection-type viewers; Accessories therefor - Details - Details specially adapted for motion-picture projection
G03B 21/34 Change-over arrangements
G03B 21/36 Fades, dissolves, or wipes
G03B 21/38 Prolonged exhibition of single frame
G03B 21/40 Eliminating or reducing effect of flicker
G03B 21/42 Preventing damage to film due to abnormal operation of projector
G03B 21/43 Driving mechanisms
G03B 21/44 Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed
G03B 21/46 Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed affording adjustment for framing
G03B 21/48 Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed for regulating constancy of film speed
G03B 21/50 Control devices operated by the film strip during the run
G03B 21/52 Control devices operated by the film strip during the run by prepared film
G03B 21/53 Means for automatic focusing, e.g. to compensate thermal effects
G03B 21/54 Accessories
G03B 21/56 Projection screens
G03B 21/58 Projection screens of variable area
G03B 21/60 Projection screens characterised by the nature of the surface
G03B 21/62 Translucent screens
G03B 21/64 Means for mounting individual pictures to be projected, e.g. frame for transparency
G03B 21/132 Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
G03B 21/134 Projectors combined with typing apparatus or with printing apparatus
G03B 21/585 Inflatable screens
G03B 21/602 Lenticular screens
G03B 21/604 Polarised screens
G03B 21/606 Projection screens characterised by the nature of the surface for relief projection
G03B 21/608 Fluid screens
G03B 21/625 Lenticular translucent screens
G03B 23/00 Devices for changing pictures in viewing apparatus or projectors
G03B 23/02 Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
G03B 23/04 Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement
G03B 23/06 Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with rotary movement
G03B 23/08 Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
G03B 23/10 Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
G03B 23/12 Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier
G03B 23/14 Carriers operable to move pictures into, and out of, the projection or viewing position and carrying one or two pictures only in a removable manner
G03B 23/18 Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
G03B 25/00 Viewers, other than projection viewers, giving motion-picture effects by persistence of vision, e.g. zoetrope
G03B 25/02 Viewers, other than projection viewers, giving motion-picture effects by persistence of vision, e.g. zoetrope with interposed lenticular or line screen
G03B 27/00 Photographic printing apparatus
G03B 27/02 Exposure apparatus for contact printing
G03B 27/04 Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
G03B 27/06 Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box for automatic repeated copying of the same original
G03B 27/08 Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box for automatic copying of several originals one after the other, e.g. for copying cinematograph film
G03B 27/10 Copying apparatus with a relative movement between the original and the light source during exposure
G03B 27/12 Copying apparatus with a relative movement between the original and the light source during exposure for automatic repeated copying of the same original
G03B 27/14 Exposure apparatus for contact printing - Details
G03B 27/16 Illumination arrangements, e.g. positioning of lamps, positioning of reflectors
G03B 27/18 Maintaining or producing contact pressure between original and light-sensitive material
G03B 27/20 Maintaining or producing contact pressure between original and light-sensitive material by using a vacuum or fluid pressure
G03B 27/22 Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface
G03B 27/24 Separating the original from the print
G03B 27/26 Cooling
G03B 27/28 Edge-masking devices
G03B 27/30 Exposure apparatus for contact printing - Details adapted to be combined with processing apparatus
G03B 27/32 Projection printing apparatus, e.g. enlarger, copying camera
G03B 27/34 Means for automatic focusing therefor
G03B 27/36 Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
G03B 27/38 Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage embodying screws with non-uniform pitch
G03B 27/40 Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage adapted for use with lenses of different focal length
G03B 27/42 Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of the same original
G03B 27/44 Projection printing apparatus, e.g. enlarger, copying camera for multiple copying of the same original at the same time
G03B 27/46 Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers
G03B 27/47 Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers at different positions of the same sheet, e.g. microfiche
G03B 27/48 Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers with original in the form of a film strip moving continuously and compensation for consequent image movement
G03B 27/50 Projection printing apparatus, e.g. enlarger, copying camera with slit or like diaphragm moving over original for progressive exposure
G03B 27/52 Projection printing apparatus, e.g. enlarger, copying camera - Details
G03B 27/53 Automatic registration or positioning of originals with respect to each other or the photosensitive layer
G03B 27/54 Lamp housings; Illuminating means
G03B 27/56 Mounting enlarger head on column
G03B 27/58 Baseboards, masking frames, or other holders for the sensitive material
G03B 27/60 Baseboards, masking frames, or other holders for the sensitive material using a vacuum or fluid pressure
G03B 27/62 Holders for the original
G03B 27/64 Holders for the original using a vacuum or fluid pressure
G03B 27/66 Projection printing apparatus, e.g. enlarger, copying camera - Details specially adapted for holding half-tone screens
G03B 27/68 Introducing or correcting distortion, e.g. in connection with oblique projection
G03B 27/70 Reflectors in printing beam
G03B 27/72 Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
G03B 27/73 Controlling exposure by variation of spectral composition, e.g. multicolor printers
G03B 27/74 Positioning exposure meters in the apparatus
G03B 27/80 Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
G03B 27/465 Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers at different positions of the same strip, e.g. microfilm
G03B 27/475 Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers copying cinematographic film
G03B 29/00 Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
G03B 30/00 Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
G03B 31/00 Associated working of cameras or projectors with sound-recording or sound-reproducing means
G03B 31/02 Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film
G03B 31/04 Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is not on, but is synchronised with, a moving-picture film
G03B 31/06 Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is associated with successively-shown still pictures
G03B 31/08 Associated working of cameras or projectors with sound-recording or sound-reproducing means with fade-in and fade-out effects
G03B 33/00 Colour photography, other than mere exposure or projection of a colour film
G03B 33/02 Colour photography, other than mere exposure or projection of a colour film using Land effect
G03B 33/04 Colour photography, other than mere exposure or projection of a colour film by four or more separation records
G03B 33/06 Colour photography, other than mere exposure or projection of a colour film by additive-colour projection apparatus
G03B 33/08 Sequential recording or projection
G03B 33/10 Simultaneous recording or projection
G03B 33/12 Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
G03B 33/14 Simultaneous recording or projection using lenticular screens
G03B 33/16 Simultaneous recording or projection using colour-pattern screens
G03B 35/00 Stereoscopic photography
G03B 35/02 Stereoscopic photography by sequential recording
G03B 35/04 Stereoscopic photography by sequential recording with movement of beam-selecting members in a system defining two or more viewpoints
G03B 35/06 Stereoscopic photography by sequential recording with axial movement of lens or gate between exposures
G03B 35/08 Stereoscopic photography by simultaneous recording
G03B 35/10 Stereoscopic photography by simultaneous recording having single camera with stereoscopic-base-defining system
G03B 35/12 Stereoscopic photography by simultaneous recording involving recording of different viewpoint images in different colours on a colour film
G03B 35/14 Printing apparatus specially adapted for conversion between different types of record
G03B 35/16 Stereoscopic photography by sequential viewing
G03B 35/18 Stereoscopic photography by simultaneous viewing
G03B 35/20 Stereoscopic photography by simultaneous viewing using two or more projectors
G03B 35/22 Stereoscopic photography by simultaneous viewing using single projector with stereoscopic-base-defining system
G03B 35/24 Stereoscopic photography by simultaneous viewing using apertured or refractive resolving means on screen or between screen and eye
G03B 35/26 Stereoscopic photography by simultaneous viewing using polarised or coloured light for separating different viewpoint images
G03B 37/00 Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
G03B 37/02 Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with scanning movement of lens or camera
G03B 37/04 Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
G03B 37/06 Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe involving anamorphosis
G03B 39/00 High-speed photography
G03B 39/02 High-speed photography using stationary plate or film
G03B 39/04 High-speed photography using moving plate or film
G03B 39/06 High-speed photography using light-guides for transferring image frame or elements thereof into different array, e.g. into a line
G03B 41/00 Special photographic techniques not covered by groups ; Apparatus therefor
G03B 41/02 Special photographic techniques not covered by groups ; Apparatus therefor using non-intermittently-running film
G03B 41/04 Special photographic techniques not covered by groups ; Apparatus therefor using non-intermittently-running film with optical compensator
G03B 41/06 Special photographic techniques not covered by groups ; Apparatus therefor using non-intermittently-running film with optical compensator with rotating reflecting member
G03B 41/08 Special photographic techniques not covered by groups ; Apparatus therefor using non-intermittently-running film with optical compensator with rotating transmitting member
G03B 41/10 Special photographic techniques not covered by groups ; Apparatus therefor using non-intermittently-running film with optical compensator with oscillating reflecting member
G03B 41/12 Special photographic techniques not covered by groups ; Apparatus therefor using non-intermittently-running film with optical compensator with oscillating transmitting member
G03B 41/14 Overcoming image movement by brief flashes of light
G03B 42/00 Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
G03B 42/02 Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
G03B 42/04 Holders for X-ray films
G03B 42/06 Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using ultrasonic, sonic or infrasonic waves
G03B 42/08 Visualisation of records by optical means
G03B 43/00 Testing correct operation of photographic apparatus or parts thereof
G03B 43/02 Testing shutters