|
G11B 3/00
|
Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor |
|
G11B 3/02
|
Arrangements of heads |
|
G11B 3/04
|
Multiple, convertible, or alternative transducing arrangements |
|
G11B 3/06
|
Determining or indicating position of head |
|
G11B 3/08
|
Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers |
|
G11B 3/09
|
Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using manual means only |
|
G11B 3/10
|
Arranging, supporting, or driving of heads or of transducers relatively to record carriers |
|
G11B 3/12
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse |
|
G11B 3/14
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight |
|
G11B 3/16
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight adjustable |
|
G11B 3/18
|
Damping by using viscosity effect |
|
G11B 3/20
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring |
|
G11B 3/22
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring adjustable |
|
G11B 3/24
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring acting to decrease pressure on record |
|
G11B 3/26
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse by elastic means, e.g. spring acting to increase pressure on record |
|
G11B 3/28
|
Supporting in balanced, counterbalanced, or loaded operative position, e.g. loading in direction of traverse providing transverse bias parallel to record |
|
G11B 3/30
|
Supporting in inoperative position |
|
G11B 3/31
|
Construction of arms |
|
G11B 3/32
|
Construction or arrangement of support pillars |
|
G11B 3/34
|
Driving or guiding during transducing operation |
|
G11B 3/36
|
Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw |
|
G11B 3/38
|
Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics |
|
G11B 3/40
|
Driving of heads relatively to stationary record carriers for transducing |
|
G11B 3/42
|
Arranging, supporting, or driving of heads or of transducers relatively to record carriers with provision for adaptation or interchange of heads |
|
G11B 3/44
|
Styli, e.g. sapphire, diamond |
|
G11B 3/46
|
Constructions or forms, e.g. attachment of point to shank |
|
G11B 3/48
|
Needles |
|
G11B 3/50
|
Anvils or other supports opposing stylus forces |
|
G11B 3/52
|
Arrangements permitting styli to yield under excessive pressure |
|
G11B 3/54
|
Storing; Manipulating, e.g. feeding styli to and from heads |
|
G11B 3/56
|
Sharpening |
|
G11B 3/58
|
Cleaning record carriers or styli, e.g. removing shavings or dust |
|
G11B 3/60
|
Turntables for record carriers |
|
G11B 3/61
|
Damping of vibrations of record carriers on turntables |
|
G11B 3/64
|
Re-recording, i.e. transcribing information from one grooved record carrier on to one or more similar or dissimilar record carriers |
|
G11B 3/66
|
Erasing information, e.g. for reuse of record carrier |
|
G11B 3/68
|
Record carriers |
|
G11B 3/70
|
Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers |
|
G11B 3/72
|
Groove formations, e.g. run-in groove, run-out groove |
|
G11B 3/74
|
Multiple output tracks, e.g. binaural stereophonic |
|
G11B 3/76
|
Groove formations, e.g. run-in groove, run-out groove forming part of cinematograph films |
|
G11B 3/78
|
Multiple-track arrangements |
|
G11B 3/80
|
Record carriers incorporating subsidiary guide means for heads, other than modulated grooves; Part-formed unmodulated grooves for conversion into transducing grooves |
|
G11B 3/085
|
Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means |
|
G11B 3/90
|
Record carriers with means indicating prior or unauthorised use |
|
G11B 3/095
|
Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for beginning or stopping at a desired point of the record |
|
G11B 5/00
|
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor |
|
G11B 5/02
|
Recording, reproducing or erasing methods; Read, write or erase circuits therefor |
|
G11B 5/03
|
Biasing |
|
G11B 5/004
|
Recording on, or reproducing or erasing from, magnetic drums |
|
G11B 5/008
|
Recording on, or reproducing or erasing from, magnetic tapes or wires |
|
G11B 5/09
|
Digital recording |
|
G11B 5/10
|
Structure or manufacture of housings or shields for heads |
|
G11B 5/11
|
Shielding of head against electric or magnetic fields |
|
G11B 5/012
|
Recording on, or reproducing or erasing from, magnetic disks |
|
G11B 5/016
|
Recording on, or reproducing or erasing from, magnetic disks using magnetic foils |
|
G11B 5/17
|
Construction or disposition of windings |
|
G11B 5/21
|
Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to, the recording medium; Pole pieces; Gap features the pole pieces being of ferrous sheet metal |
|
G11B 5/23
|
Gap features |
|
G11B 5/024
|
Erasing |
|
G11B 5/027
|
Analogue recording |
|
G11B 5/29
|
Structure or manufacture of unitary devices formed of plural heads for more than one track |
|
G11B 5/31
|
Structure or manufacture of heads, e.g. inductive using thin film |
|
G11B 5/33
|
Structure or manufacture of flux-sensitive heads |
|
G11B 5/035
|
Equalising |
|
G11B 5/37
|
Structure or manufacture of flux-sensitive heads using galvano-magnetic devices, e.g. Hall-effect devices |
|
G11B 5/39
|
Structure or manufacture of flux-sensitive heads using magneto-resistive devices |
|
G11B 5/40
|
Protective measures on heads, e.g. against excessive temperature |
|
G11B 5/41
|
Cleaning of heads |
|
G11B 5/48
|
Disposition or mounting of heads relative to record carriers |
|
G11B 5/49
|
Fixed mountings |
|
G11B 5/50
|
Interchangeable mountings, e.g. for replacement of head without readjustment |
|
G11B 5/52
|
Disposition or mounting of heads relative to record carriers with simultaneous movement of head and record carrier, e.g. rotation of head |
|
G11B 5/53
|
Disposition or mounting of heads on rotating support |
|
G11B 5/54
|
Disposition or mounting of heads relative to record carriers with provision for moving the head into, or out of, its operative position or across tracks |
|
G11B 5/55
|
Track change, selection, or acquisition by displacement of the head |
|
G11B 5/56
|
Disposition or mounting of heads relative to record carriers with provision for moving the head for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering |
|
G11B 5/58
|
Disposition or mounting of heads relative to record carriers with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following |
|
G11B 5/60
|
Fluid-dynamic spacing of heads from record carriers |
|
G11B 5/62
|
Record carriers characterised by the selection of the material |
|
G11B 5/64
|
Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent |
|
G11B 5/65
|
Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition |
|
G11B 5/66
|
Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers |
|
G11B 5/68
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent |
|
G11B 5/70
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer |
|
G11B 5/71
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by the lubricant |
|
G11B 5/72
|
Protective coatings, e.g. anti-static |
|
G11B 5/73
|
Base layers |
|
G11B 5/74
|
Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum |
|
G11B 5/76
|
Drum carriers |
|
G11B 5/78
|
Tape carriers |
|
G11B 5/80
|
Card carriers |
|
G11B 5/82
|
Disk carriers |
|
G11B 5/84
|
Processes or apparatus specially adapted for manufacturing record carriers |
|
G11B 5/85
|
Coating a support with a magnetic layer by vapour deposition |
|
G11B 5/86
|
Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers |
|
G11B 5/105
|
Mounting of head within housing |
|
G11B 5/115
|
Shielding device arranged between heads or windings |
|
G11B 5/127
|
Structure or manufacture of heads, e.g. inductive |
|
G11B 5/133
|
Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores |
|
G11B 5/147
|
Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores |
|
G11B 5/153
|
Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with tape-wound cores |
|
G11B 5/187
|
Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to, the recording medium; Pole pieces; Gap features |
|
G11B 5/193
|
Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to, the recording medium; Pole pieces; Gap features the pole pieces being ferrite |
|
G11B 5/235
|
Selection of material for gap filler |
|
G11B 5/245
|
Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to, the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit |
|
G11B 5/255
|
Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to, the recording medium; Pole pieces; Gap features comprising means for protection against wear |
|
G11B 5/265
|
Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track |
|
G11B 5/325
|
Erasing heads using permanent magnets |
|
G11B 5/335
|
Structure or manufacture of flux-sensitive heads with saturated jig, e.g. for detecting second harmonic, balanced-flux head |
|
G11B 5/455
|
Arrangements for functional testing of heads; Measuring arrangements for heads |
|
G11B 5/465
|
Arrangements for demagnetisation of heads |
|
G11B 5/584
|
Disposition or mounting of heads relative to record carriers with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes |
|
G11B 5/588
|
Disposition or mounting of heads relative to record carriers with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads |
|
G11B 5/592
|
Disposition or mounting of heads relative to record carriers with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads |
|
G11B 5/596
|
Disposition or mounting of heads relative to record carriers with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks |
|
G11B 5/627
|
Record carriers characterised by the selection of the material of leaders for magnetic tapes, e.g. non-magnetic strips on the tapes or for connection |
|
G11B 5/633
|
Record carriers characterised by the selection of the material of cinematographic films or slides with integral magnetic track |
|
G11B 5/667
|
Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers including a soft magnetic layer |
|
G11B 5/673
|
Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers comprising the repeated occurrence of two or more layers |
|
G11B 5/702
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent |
|
G11B 5/706
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material |
|
G11B 5/708
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by the addition of non-magnetic particles to the magnetic layer |
|
G11B 5/712
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by the surface treatment or coating of magnetic particles |
|
G11B 5/714
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by the dimension of the magnetic particles |
|
G11B 5/716
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers |
|
G11B 5/718
|
Record carriers characterised by the selection of the material comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers at least one on each side of the base layer |
|
G11B 5/725
|
Protective coatings, e.g. anti-static containing a lubricant |
|
G11B 5/733
|
Base layers characterised by the addition of non-magnetic particles |
|
G11B 5/735
|
Base layers characterised by the back layer |
|
G11B 5/738
|
Base layers characterised by the intermediate layer |
|
G11B 5/842
|
Coating a support with a liquid magnetic dispersion |
|
G11B 5/845
|
Coating a support with a liquid magnetic dispersion in a magnetic field |
|
G11B 5/848
|
Coating a support with a magnetic layer by extrusion |
|
G11B 5/851
|
Coating a support with a magnetic layer by sputtering |
|
G11B 5/852
|
Orientation in a magnetic field |
|
G11B 5/855
|
Coating only part of a support with a magnetic layer |
|
G11B 5/858
|
Producing a magnetic layer by electro-plating or electroless plating |
|
G11B 7/00
|
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor |
|
G11B 7/002
|
Recording, reproducing or erasing systems characterised by the shape of the carrier |
|
G11B 7/003
|
Recording, reproducing or erasing systems characterised by the shape of the carrier with webs, e.g. belts, spooled tapes or films of quasi-infinite extent |
|
G11B 7/004
|
Recording, reproducing or erasing methods; Read, write or erase circuits therefor |
|
G11B 7/005
|
Reproducing |
|
G11B 7/006
|
Overwriting |
|
G11B 7/007
|
Arrangement of the information on the record carrier, e.g. form of tracks |
|
G11B 7/08
|
Disposition or mounting of heads or light sources relatively to record carriers |
|
G11B 7/09
|
Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track f |
|
G11B 7/10
|
Interchangeable mountings, e.g. for replacement of head without readjustment |
|
G11B 7/12
|
Heads, e.g. forming of the optical beam spot or modulation of the optical beam |
|
G11B 7/013
|
Arrangement of the information on the record carrier, e.g. form of tracks for discrete information, i.e. where each information unit is stored in a distinct location |
|
G11B 7/14
|
Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously |
|
G11B 7/16
|
using filters, e.g. colour filter |
|
G11B 7/18
|
using optical slits |
|
G11B 7/20
|
Dual-recording arrangements, i.e. in which the information is recorded in two different forms simultaneously on the same or related tracks, e.g. recording instantaneous and mean values (sound-recording combined with cinematography G03C 5/14) |
|
G11B 7/22
|
Apparatus or processes for the manufacture of optical heads, e.g. assembly |
|
G11B 7/24
|
Record carriers characterised by shape, structure or physical properties, or by the selection of the material |
|
G11B 7/25
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing liquid crystals |
|
G11B 7/26
|
Apparatus or processes specially adapted for the manufacture of record carriers |
|
G11B 7/28
|
Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers using optical sensing means |
|
G11B 7/30
|
Rewritable carriers |
|
G11B 7/0033
|
Recording, reproducing or erasing systems characterised by the shape of the carrier with cards |
|
G11B 7/0037
|
Recording, reproducing or erasing systems characterised by the shape of the carrier with discs |
|
G11B 7/0045
|
Recording |
|
G11B 7/0055
|
Erasing |
|
G11B 7/0065
|
Recording, reproducing or erasing by using optical interference patterns, e.g. holograms |
|
G11B 7/085
|
Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position. |
|
G11B 7/095
|
Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track f specially adapted for discs, e.g. for compensation of eccentricity or wobble |
|
G11B 7/121
|
Protecting the head, e.g. against dust or impact with the record carrier |
|
G11B 7/122
|
Flying-type heads, e.g. analogous to Winchester type in magnetic recording |
|
G11B 7/123
|
Integrated head arrangements, e.g. with source and detectors mounted on the same substrate |
|
G11B 7/124
|
Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides |
|
G11B 7/125
|
Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces |
|
G11B 7/126
|
Circuits, methods or arrangements for laser control or stabilisation |
|
G11B 7/127
|
Lasers; Multiple laser arrays |
|
G11B 7/128
|
Modulators |
|
G11B 7/131
|
Arrangement of detectors in a multiple array |
|
G11B 7/133
|
Shape of individual detector elements |
|
G11B 7/135
|
Means for guiding the beam from the source to the record carrier or from the record carrier to the detector |
|
G11B 7/139
|
Numerical aperture control means |
|
G11B 7/241
|
Record carriers characterised by the selection of the material |
|
G11B 7/242
|
Record carriers characterised by the selection of the material of recording layers |
|
G11B 7/243
|
Record carriers characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers |
|
G11B 7/244
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only |
|
G11B 7/245
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component |
|
G11B 7/246
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes |
|
G11B 7/247
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes |
|
G11B 7/248
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes azaporphines, e.g. phthalocyanines |
|
G11B 7/249
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds |
|
G11B 7/251
|
Record carriers characterised by the selection of the material of recording layers comprising inorganic materials dispersed in an organic matrix |
|
G11B 7/252
|
Record carriers characterised by the selection of the material of layers other than recording layers |
|
G11B 7/253
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates |
|
G11B 7/254
|
Record carriers characterised by the selection of the material of layers other than recording layers of protective topcoat layers |
|
G11B 7/256
|
Record carriers characterised by the selection of the material of layers other than recording layers of layers improving adhesion between layers |
|
G11B 7/257
|
Record carriers characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers, sensitising layers or dielectric layers which are protecting the recording layers |
|
G11B 7/258
|
Record carriers characterised by the selection of the material of layers other than recording layers of reflective layers |
|
G11B 7/259
|
Record carriers characterised by the selection of the material of layers other than recording layers of reflective layers based on silver |
|
G11B 7/1245
|
Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides the waveguides including means for electro-optical or acousto-optical deflection |
|
G11B 7/1263
|
Power control during transducing, e.g. by monitoring |
|
G11B 7/1267
|
Power calibration |
|
G11B 7/1275
|
Two or more lasers having different wavelengths |
|
G11B 7/1353
|
Diffractive elements, e.g. holograms or gratings |
|
G11B 7/1356
|
Double or multiple prisms, i.e. having two or more prisms in cooperation |
|
G11B 7/1359
|
Single prisms |
|
G11B 7/1362
|
Mirrors |
|
G11B 7/1365
|
Separate or integrated refractive elements, e.g. wave plates |
|
G11B 7/1367
|
Stepped phase plates |
|
G11B 7/1369
|
Active plates, e.g. liquid crystal panels or electrostrictive elements |
|
G11B 7/1372
|
Lenses |
|
G11B 7/1374
|
Objective lenses |
|
G11B 7/1376
|
Collimator lenses |
|
G11B 7/1378
|
Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders |
|
G11B 7/1381
|
Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops |
|
G11B 7/1384
|
Fibre optics |
|
G11B 7/1387
|
Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect |
|
G11B 7/1392
|
Means for controlling the beam wavefront, e.g. for correction of aberration |
|
G11B 7/1395
|
Beam splitters or combiners |
|
G11B 7/1398
|
Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section |
|
G11B 7/2403
|
Layers; Shape, structure or physical properties thereof |
|
G11B 7/2405
|
Substrates being also used as track layers of pre-formatted layers |
|
G11B 7/2407
|
Tracks or pits; Shape, structure or physical properties thereof |
|
G11B 7/2433
|
Metals or elements of groups 13, 14, 15 or 16 of the Periodic System, e.g. B, Si, Ge, As, Sb, Bi, Se or Te |
|
G11B 7/2437
|
Non-metallic elements |
|
G11B 7/2463
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes azulene |
|
G11B 7/2467
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes azo-dyes |
|
G11B 7/2472
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes cyanine |
|
G11B 7/2475
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes merocyanine |
|
G11B 7/2478
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes oxonol |
|
G11B 7/2492
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds neutral compounds |
|
G11B 7/2495
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds as anions |
|
G11B 7/2498
|
Record carriers characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds as cations |
|
G11B 7/2531
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising glass |
|
G11B 7/2532
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising metals |
|
G11B 7/2533
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising resins |
|
G11B 7/2534
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC] |
|
G11B 7/2535
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising resins polyesters, e.g. PET, PETG or PEN |
|
G11B 7/2536
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising resins polystyrene [PS] |
|
G11B 7/2537
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising resins epoxy resins |
|
G11B 7/2538
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycycloolefins [PCO] |
|
G11B 7/2539
|
Record carriers characterised by the selection of the material of layers other than recording layers of substrates comprising resins biodegradable polymers, e.g. cellulose |
|
G11B 7/2542
|
Record carriers characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins |
|
G11B 7/2545
|
Record carriers characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins containing inorganic fillers, e.g. particles or fibres |
|
G11B 7/2548
|
Record carriers characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of inorganic materials |
|
G11B 7/2572
|
Record carriers characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers, sensitising layers or dielectric layers which are protecting the recording layers consisting essentially of organic materials |
|
G11B 7/2575
|
Record carriers characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers, sensitising layers or dielectric layers which are protecting the recording layers consisting essentially of organic materials resins |
|
G11B 7/2578
|
Record carriers characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers, sensitising layers or dielectric layers which are protecting the recording layers consisting essentially of inorganic materials |
|
G11B 7/2585
|
Record carriers characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium |
|
G11B 7/2595
|
Record carriers characterised by the selection of the material of layers other than recording layers of reflective layers based on gold |
|
G11B 7/24003
|
Shapes of record carriers other than disc shape |
|
G11B 7/24006
|
Cylindrical or shaft-shaped |
|
G11B 7/24009
|
Tapes, long films or long sheets |
|
G11B 7/24012
|
Optical cards |
|
G11B 7/24015
|
Air-sandwiched discs |
|
G11B 7/24018
|
Laminated discs |
|
G11B 7/24021
|
Laminated discs provided with a special shape or structure for centering or eccentricity prevention, e.g. alignment |
|
G11B 7/24024
|
Adhesion or bonding, e.g. specific adhesive layers |
|
G11B 7/24027
|
Layers; Shape, structure or physical properties thereof |
|
G11B 7/24033
|
Electrode layers |
|
G11B 7/24035
|
Recording layers |
|
G11B 7/24038
|
Multiple laminated recording layers |
|
G11B 7/24041
|
Multiple laminated recording layers with different recording characteristics |
|
G11B 7/24044
|
Recording layers for storing data in three dimensions, e.g. volume storage |
|
G11B 7/24047
|
Substrates |
|
G11B 7/24053
|
Protective topcoat layers lying opposite to the light entrance side, e.g. layers for preventing electrostatic charging |
|
G11B 7/24056
|
Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® discs |
|
G11B 7/24059
|
Light transmission layers lying on the light entrance side and being thinner than the substrate, e.g. specially adapted for Blu-ray® discs specially adapted for near-field recording or reproduction |
|
G11B 7/24062
|
Reflective layers |
|
G11B 7/24065
|
Layers assisting in recording or reproduction below the optical diffraction limit, e.g. non-linear optical layers or structures |
|
G11B 7/24067
|
Combinations of two or more layers with specific interrelation |
|
G11B 7/24073
|
Tracks |
|
G11B 7/24076
|
Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape |
|
G11B 7/24079
|
Width or depth |
|
G11B 7/24082
|
Meandering |
|
G11B 7/24085
|
Pits |
|
G11B 7/24088
|
Pits for storing more than two values, i.e. multi-valued recording for data or prepits |
|
G11B 7/24091
|
Combinations of pits and tracks with specific interrelation |
|
G11B 7/24094
|
Indication parts or information parts for identification |
|
G11B 7/24097
|
Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention ; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes |
|
G11B 9/00
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor |
|
G11B 9/02
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor using ferroelectric record carriers; Record carriers therefor |
|
G11B 9/04
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor using record carriers having variable electric resistance; Record carriers therefor |
|
G11B 9/06
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor |
|
G11B 9/07
|
Heads for reproducing capacitive information |
|
G11B 9/08
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor using electrostatic charge injection; Record carriers therefor |
|
G11B 9/10
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor using electron beam; Record carriers therefor |
|
G11B 9/12
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor using near-field interactions; Record carriers therefor |
|
G11B 9/14
|
Recording or reproducing using a method or means not covered by one of the main groups ; Record carriers therefor using near-field interactions; Record carriers therefor using microscopic probe means |
|
G11B 11/00
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor |
|
G11B 11/03
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles |
|
G11B 11/05
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles with reproducing by capacitive means |
|
G11B 11/06
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles with reproducing by mechanical sensing |
|
G11B 11/08
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by electric charge or by variation of electric resistance or capacitance |
|
G11B 11/10
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by magnetisation or demagnetisation |
|
G11B 11/11
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by magnetisation or demagnetisation using a beam other than a beam of light for recording |
|
G11B 11/12
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by optical means |
|
G11B 11/14
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by optical means with reproducing by magnetic means |
|
G11B 11/16
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by mechanical cutting, deforming or pressing |
|
G11B 11/18
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by mechanical cutting, deforming or pressing with reproducing by optical means |
|
G11B 11/20
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by mechanical cutting, deforming or pressing with reproducing by magnetic means |
|
G11B 11/22
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by mechanical cutting, deforming or pressing with reproducing by capacitive means |
|
G11B 11/24
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by near-field interactions |
|
G11B 11/26
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by near-field interactions using microscopic probe means |
|
G11B 11/105
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by magnetisation or demagnetisation using a beam of light or a magnetic field for recording and a beam of light for reproducing, e.g. light-induced thermomagnetic recording or Kerr effect reproducing |
|
G11B 11/115
|
Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group ; Record carriers therefor using recording by magnetisation or demagnetisation using a beam other than a beam of light for reproducing |
|
G11B 13/00
|
Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom |
|
G11B 13/02
|
Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom magnetically and by styli |
|
G11B 13/04
|
Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom magnetically and optically |
|
G11B 13/06
|
Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom optically and by styli |
|
G11B 13/08
|
Recording simultaneously or selectively by methods or means covered by different main groups; Record carriers therefor; Reproducing simultaneously or selectively therefrom using near-field interactions or transducing means and at least one other method or means for recording or reproducing |
|
G11B 15/00
|
Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function |
|
G11B 15/02
|
Control of operating function, e.g. switching from recording to reproducing |
|
G11B 15/03
|
Control of operating function, e.g. switching from recording to reproducing by using counters |
|
G11B 15/04
|
Preventing, inhibiting, or warning against accidental erasing or double recording |
|
G11B 15/05
|
Control of operating function, e.g. switching from recording to reproducing by sensing features present on, or derived from, record carrier or container |
|
G11B 15/06
|
Control of operating function, e.g. switching from recording to reproducing by sensing features present on, or derived from, record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape |
|
G11B 15/07
|
Control of operating function, e.g. switching from recording to reproducing by sensing features present on, or derived from, record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape on containers |
|
G11B 15/08
|
Control of operating function, e.g. switching from recording to reproducing by sensing features present on, or derived from, record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing |
|
G11B 15/10
|
Manually-operated control; Solenoid-operated control |
|
G11B 15/12
|
Masking of heads; Selecting or switching of heads between operative and inoperative functions; Masking of beams, e.g. of light beams |
|
G11B 15/14
|
Masking or switching periodically, e.g. of rotating heads |
|
G11B 15/16
|
Control of operating function, e.g. switching from recording to reproducing by sensing presence, absence or position of record carrier or container |
|
G11B 15/17
|
Control of operating function, e.g. switching from recording to reproducing by sensing presence, absence or position of record carrier or container of container |
|
G11B 15/18
|
Driving; Starting; Stopping; Arrangements for control or regulation thereof |
|
G11B 15/20
|
Moving record carrier backwards or forwards by finite amounts, i.e. back-spacing, forward-spacing |
|
G11B 15/22
|
Stopping means |
|
G11B 15/24
|
Drive-disengaging means |
|
G11B 15/26
|
Driving record carriers by members acting directly or indirectly thereon |
|
G11B 15/28
|
Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal |
|
G11B 15/29
|
Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal through pinch-rollers |
|
G11B 15/30
|
Driving record carriers by members acting directly or indirectly thereon through the means for supporting the record carrier, e.g. mandrel, turntable |
|
G11B 15/32
|
Driving record carriers by members acting directly or indirectly thereon through the reels or cores on to which the record carrier is wound |
|
G11B 15/34
|
Driving record carriers by members acting directly or indirectly thereon through non-slip drive means, e.g. sprocket |
|
G11B 15/38
|
Driving record carriers by pneumatic means |
|
G11B 15/40
|
Driving record carriers otherwise than by electric motor |
|
G11B 15/42
|
Driving record carriers otherwise than by electric motor manually |
|
G11B 15/43
|
Control or regulation of mechanical tension of record carrier, e.g. tape tension |
|
G11B 15/44
|
Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor |
|
G11B 15/46
|
Controlling, regulating, or indicating speed |
|
G11B 15/48
|
Starting; Accelerating; Decelerating; Arrangements preventing malfunction during drive change |
|
G11B 15/50
|
Controlling, regulating, or indicating speed by mechanical linkage, e.g. clutch |
|
G11B 15/52
|
Controlling, regulating, or indicating speed by using signals recorded on, or derived from, record carrier |
|
G11B 15/54
|
Controlling, regulating, or indicating speed by tachometer |
|
G11B 15/56
|
Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier having reserve loop, e.g. to minimise inertia during acceleration |
|
G11B 15/58
|
Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier having reserve loop, e.g. to minimise inertia during acceleration with vacuum column |
|
G11B 15/60
|
Guiding record carriers |
|
G11B 15/61
|
Guiding record carriers on drum, e.g. on drum containing rotating heads |
|
G11B 15/62
|
Maintaining desired spacing between record carrier and head |
|
G11B 15/64
|
Maintaining desired spacing between record carrier and head by fluid-dynamic spacing |
|
G11B 15/66
|
Threading; Loading; Automatic self-loading |
|
G11B 15/67
|
Threading; Loading; Automatic self-loading by extracting end of record carrier from container or spool |
|
G11B 15/68
|
Automatic cassette-changing arrangements |
|
G11B 15/70
|
Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier being an endless-loop record-carrier |
|
G11B 15/087
|
Control of operating function, e.g. switching from recording to reproducing by sensing features present on, or derived from, record carrier or container by sensing recorded signals |
|
G11B 15/093
|
Control of operating function, e.g. switching from recording to reproducing by sensing features present on, or derived from, record carrier or container by sensing driving condition of record carrier, e.g. travel, tape tension |
|
G11B 15/295
|
Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal with single capstan or drum simultaneously driving the record carrier at two separate points of an isolated part thereof, e.g. the capstan acting directly on the tape rollers |
|
G11B 15/467
|
Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven |
|
G11B 15/473
|
Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads |
|
G11B 15/665
|
Threading; Loading; Automatic self-loading by extracting loop of record carrier from container |
|
G11B 15/675
|
Guiding containers |
|
G11B 17/00
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor |
|
G11B 17/02
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor - Details |
|
G11B 17/03
|
Positioning or locking of single discs of discs rotating during transducing operation in containers or trays |
|
G11B 17/04
|
Feeding or guiding single record carrier to or from transducing unit |
|
G11B 17/05
|
Feeding or guiding single record carrier to or from transducing unit specially adapted for discs not contained within cartridges |
|
G11B 17/08
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records |
|
G11B 17/10
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with horizontal transfer to the turntable from a stack arranged with a vertical axis |
|
G11B 17/12
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis |
|
G11B 17/14
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in rotating centre post, e.g. permitting the playing of both sides of a record |
|
G11B 17/16
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post |
|
G11B 17/18
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism operating on the edge of the disc record |
|
G11B 17/20
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with transfer away from stack on turntable after playing |
|
G11B 17/022
|
Positioning or locking of single discs |
|
G11B 17/24
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random-access magazine of disc records the magazine having a toroidal or part-toroidal shape |
|
G11B 17/025
|
Positioning or locking of single discs of discs which are stationary during transducing operation |
|
G11B 17/26
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random-access magazine of disc records the magazine having a cylindrical shape with vertical axis |
|
G11B 17/028
|
Positioning or locking of single discs of discs rotating during transducing operation |
|
G11B 17/30
|
Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random-access magazine of disc records wherein the playing unit is moved accordingly to the location of the selected record |
|
G11B 17/032
|
Positioning by moving the door or the cover |
|
G11B 17/34
|
Guiding record carriers during transducing operation, e.g. for track following |
|
G11B 17/035
|
Positioning by moving the loading station |
|
G11B 17/038
|
Centering or locking of a plurality of discs in a single cartridge |
|
G11B 17/041
|
Feeding or guiding single record carrier to or from transducing unit specially adapted for discs contained within cartridges |
|
G11B 17/043
|
Direct insertion, i.e. without external loading means |
|
G11B 17/044
|
Indirect insertion, i.e. with external loading means |
|
G11B 17/046
|
Indirect insertion, i.e. with external loading means with pivoting loading means |
|
G11B 17/047
|
Indirect insertion, i.e. with external loading means with sliding loading means |
|
G11B 17/049
|
Insertion of discs having to be extracted from the cartridge prior to recording or reproducing |
|
G11B 17/051
|
Direct insertion, i.e. without external loading means |
|
G11B 17/053
|
Indirect insertion, i.e. with external loading means |
|
G11B 17/054
|
Indirect insertion, i.e. with external loading means with pivoting loading means |
|
G11B 17/056
|
Indirect insertion, i.e. with external loading means with sliding loading means |
|
G11B 17/057
|
Feeding or guiding single record carrier to or from transducing unit specially adapted for handling both discs contained within cartridges and discs not contained within cartridges |
|
G11B 19/00
|
Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function |
|
G11B 19/02
|
Control of operating function, e.g. switching from recording to reproducing |
|
G11B 19/04
|
Arrangements for preventing, inhibiting, or warning against, double recording on the same blank, or against other recording or reproducing malfunctions |
|
G11B 19/06
|
Control of operating function, e.g. switching from recording to reproducing by counting or timing of machine operations |
|
G11B 19/08
|
Control of operating function, e.g. switching from recording to reproducing by using devices external to the driving mechanisms, e.g. coin-freed switch |
|
G11B 19/10
|
Control of operating function, e.g. switching from recording to reproducing by sensing presence or absence of record in accessible stored position or on turntable |
|
G11B 19/12
|
Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of records, e.g. diameter |
|
G11B 19/14
|
Control of operating function, e.g. switching from recording to reproducing by sensing movement or position of head, e.g. means moving in correspondence with head movements |
|
G11B 19/16
|
Manual control |
|
G11B 19/18
|
Manual action on one element producing control effect indirectly by consequent action of driving mechanism |
|
G11B 19/20
|
Driving; Starting; Stopping; Control thereof |
|
G11B 19/22
|
Brakes other than speed-regulating brakes |
|
G11B 19/24
|
Arrangements for providing constant relative speed between record carrier and head |
|
G11B 19/26
|
Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor |
|
G11B 19/27
|
Belt drive |
|
G11B 19/28
|
Speed controlling, regulating or indicating |
|
G11B 19/247
|
Arrangements for providing constant relative speed between record carrier and head using electrical means |
|
G11B 19/253
|
Arrangements for providing constant relative speed between record carrier and head using mechanical means |
|
G11B 19/265
|
Friction wheel drive |
|
G11B 19/275
|
Gear wheel drive |
|
G11B 20/00
|
Signal processing not specific to the method of recording or reproducing; Circuits therefor |
|
G11B 20/02
|
Analogue recording or reproducing |
|
G11B 20/04
|
Direct recording or reproducing |
|
G11B 20/06
|
Angle-modulation recording or reproducing |
|
G11B 20/08
|
Pulse-modulation recording or reproducing |
|
G11B 20/10
|
Digital recording or reproducing |
|
G11B 20/12
|
Formatting, e.g. arrangement of data block or words on the record carriers |
|
G11B 20/14
|
Digital recording or reproducing using self-clocking codes |
|
G11B 20/16
|
Digital recording or reproducing using non self-clocking codes, i.e. the clock signals being either recorded in a separate clocking track or in a combination of several information tracks |
|
G11B 20/18
|
Error detection or correction; Testing |
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G11B 20/20
|
Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording |
|
G11B 20/22
|
Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions |
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G11B 20/24
|
Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise |
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G11B 21/00
|
Head arrangements not specific to the method of recording or reproducing |
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G11B 21/02
|
Driving or moving of heads |
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G11B 21/03
|
Driving or moving of heads for correcting time base error |
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G11B 21/04
|
Automatic feed mechanism producing a transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan |
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G11B 21/06
|
Automatic feed mechanism producing a transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan the record carrier having means to ensure traverse movement of the head |
|
G11B 21/08
|
Track changing or selecting |
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G11B 21/10
|
Track finding or aligning by moving the head |
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G11B 21/12
|
Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position |
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G11B 21/14
|
Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position manually |
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G11B 21/16
|
Supporting the heads; Supporting the sockets for plug-in heads |
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G11B 21/18
|
Supporting the heads; Supporting the sockets for plug-in heads while the head is moving |
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G11B 21/20
|
Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier |
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G11B 21/21
|
Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider |
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G11B 21/22
|
Supporting the heads; Supporting the sockets for plug-in heads while the head is out of operative position |
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G11B 21/24
|
Head support adjustments |
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G11B 21/26
|
Means for interchange or replacement of head or head element |
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G11B 23/00
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus |
|
G11B 23/02
|
Containers; Storing means |
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G11B 23/03
|
Containers for flat record carriers |
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G11B 23/04
|
Magazines; Cassettes |
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G11B 23/06
|
Magazines; Cassettes for housing endless webs or filaments |
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G11B 23/07
|
Magazines; Cassettes for housing endless webs or filaments using a single reel or core |
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G11B 23/08
|
Magazines; Cassettes for housing webs or filaments having two distinct ends |
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G11B 23/12
|
Bins for random storage of webs or filaments |
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G11B 23/14
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus providing ability to repeat location, e.g. using sprocket holes |
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G11B 23/16
|
Record carriers with single track for recording at spaced intervals along the track thereof, e.g. for speech or language training |
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G11B 23/18
|
Record carriers with multiple tracks, e.g. with complementary and partial tracks such as paired "stereo" tracks |
|
G11B 23/20
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus with provision for splicing to provide permanent or temporary connections |
|
G11B 23/22
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus with provision for splicing to provide permanent or temporary connections of tapes forming Möbius loops |
|
G11B 23/023
|
Containers for magazines or cassettes |
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G11B 23/24
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus with provision for splicing to provide permanent or temporary connections of tapes having multiple tracks parallel to edge of record carrier by offset splicing to form endless loop with one or more helical tracks |
|
G11B 23/26
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus with provision for splicing to provide permanent or temporary connections of leaders for loading or threading, e.g. to form a temporary connection |
|
G11B 23/027
|
Containers for single reels or spools |
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G11B 23/28
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus indicating prior or unauthorised use |
|
G11B 23/30
|
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus with provision for auxiliary signals |
|
G11B 23/32
|
Electrical or mechanical contacting means; Tape stop foils |
|
G11B 23/033
|
Containers for flat record carriers for flexible discs |
|
G11B 23/34
|
Signal means additional to the main recording track, e.g. photoelectric sensing of sprocket holes for timing |
|
G11B 23/36
|
Signals on record carriers or on containers and recorded by the same method as the main recording |
|
G11B 23/037
|
Single reels or spools |
|
G11B 23/38
|
Visual features other than those contained in record tracks or represented by sprocket holes |
|
G11B 23/40
|
Identifying or analogous means applied to, or incorporated in, the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader or photograph |
|
G11B 23/42
|
Marks for indexing, speed-controlling, synchronising, or timing |
|
G11B 23/44
|
Information for display simultaneously with playback of the record, e.g. photographic matter |
|
G11B 23/50
|
Reconditioning of record carriers; Cleaning of record carriers |
|
G11B 23/087
|
Magazines; Cassettes for housing webs or filaments having two distinct ends using two different reels or cores |
|
G11B 23/093
|
Magazines; Cassettes for housing webs or filaments having two distinct ends using two different reels or cores the reels or cores being coaxial |
|
G11B 23/107
|
Magazines; Cassettes for housing webs or filaments having two distinct ends using one reel or core, one end of the record carrier coming out of the magazine or cassette |
|
G11B 23/113
|
Apparatus or processes specially adapted for the manufacture of magazines or cassettes |
|
G11B 25/00
|
Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing |
|
G11B 25/02
|
Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing using cylindrical record carriers |
|
G11B 25/04
|
Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing using flat record carriers, e.g. disc, card |
|
G11B 25/06
|
Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing using web-form record carriers, e.g. tape |
|
G11B 25/08
|
Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing using filamentary record carriers, e.g. wire |
|
G11B 25/10
|
Apparatus capable of using record carriers defined in more than one of the groups |
|
G11B 27/00
|
Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel |
|
G11B 27/02
|
Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers |
|
G11B 27/04
|
Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers using differential drive of record carrier and head |
|
G11B 27/06
|
Cutting and rejoining; Notching, or perforating record carriers otherwise than by recording styli |
|
G11B 27/10
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel |
|
G11B 27/11
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier |
|
G11B 27/13
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer |
|
G11B 27/15
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer using mechanical sensing means |
|
G11B 27/17
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer using electrical sensing means |
|
G11B 27/19
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier |
|
G11B 27/22
|
Means responsive to presence or absence of recorded information signals |
|
G11B 27/24
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track |
|
G11B 27/26
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track by photoelectric detection, e.g. of sprocket holes |
|
G11B 27/28
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording |
|
G11B 27/029
|
Insert-editing |
|
G11B 27/30
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording |
|
G11B 27/031
|
Electronic editing of digitised analogue information signals, e.g. audio or video signals |
|
G11B 27/32
|
Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier |
|
G11B 27/34
|
Indicating arrangements |
|
G11B 27/36
|
Monitoring, i.e. supervising the progress of recording or reproducing |
|
G11B 27/038
|
Cross-faders therefor |
|
G11B 31/00
|
Arrangements for the associated working of recording or reproducing apparatus with related apparatus |
|
G11B 31/02
|
Arrangements for the associated working of recording or reproducing apparatus with related apparatus with automatic musical instruments |
|
G11B 33/00
|
Constructional parts, details or accessories not provided for in the other groups of this subclass |
|
G11B 33/02
|
Cabinets; Cases; Stands; Disposition of apparatus therein or thereon |
|
G11B 33/04
|
Cabinets; Cases; Stands; Disposition of apparatus therein or thereon modified to store record carriers |
|
G11B 33/06
|
Cabinets; Cases; Stands; Disposition of apparatus therein or thereon combined with other apparatus having a different main function |
|
G11B 33/08
|
Insulation or absorption of undesired vibrations or sounds |
|
G11B 33/10
|
Indicating arrangements; Warning arrangements |
|
G11B 33/12
|
Disposition of constructional parts in the apparatus, e.g. of power supply, of modules |
|
G11B 33/14
|
Reducing influence of physical parameters, e.g. temperature change, moisture, dust |
