| Patents for G11B 23 - 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 (25,121) |
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| 09/07/1982 | US4348707 Anti erase interlock for a magnetic tape cassette |
| 09/07/1982 | US4348703 Flexible magnetic disc having track marking information recorded thereon |
| 09/07/1982 | US4348700 Erase attachment for tape cassettes |
| 09/07/1982 | US4348692 VTR With equalizer |
| 09/07/1982 | US4347933 Case for holding magnetic tape cassette |
| 09/07/1982 | CA1131359A1 Recording-reproduction apparatus for an endless tape |
| 09/07/1982 | CA1131177A1 Bracket assembly |
| 08/31/1982 | US4347549 Anti-static structure for magnetic tape guides |
| 08/31/1982 | US4347537 Tape cartridge assembly and tape transport apparatus for use therewith |
| 08/31/1982 | CA1130727A1 Cassette labeling apparatus |
| 08/24/1982 | US4345891 Apparatus and method for fuzz removal from edges of sheet material |
| 08/24/1982 | US4345540 Tape cassette |
| 08/24/1982 | CA1130456A1 Information signal recording system |
| 08/24/1982 | CA1130453A1 Digital recording |
| 08/19/1982 | WO1982002791A1 Blank plate for video cassette packaging case |
| 08/17/1982 | US4345284 Device for preventing electrostatic charges on a magnetic recording tape of a tape cassette |
| 08/17/1982 | CA1129997A1 Magnetoresistive reading head |
| 08/17/1982 | CA1129756A1 Method and apparatus for cleaning film |
| 08/17/1982 | CA1129750A1 Cassette filing system |
| 08/11/1982 | EP0057178A1 A method for recording track marking information on flexible magnetical information carrier discs and apparatus for fine adjustment of the position of a reading head. |
| 08/10/1982 | CA1129547A1 Tape guide assemblies for video cassettes |
| 08/05/1982 | WO1982002613A1 A tape splicing mechanism |
| 08/05/1982 | EP0044840A4 Information carrying discs. |
| 08/04/1982 | EP0056799A1 Indicator device for cassettes loaded with magnetical information carrier |
| 08/03/1982 | US4343024 Device for detecting tape end of magnetic recording apparatus |
| 08/03/1982 | US4342809 High-friction, low-elasticity drive belt for tape cartridges |
| 08/03/1982 | US4342660 High density information disc lubricants |
| 08/03/1982 | US4342659 Video disc lubricants |
| 08/03/1982 | US4342436 Tape cassette |
| 08/03/1982 | CA1129088A1 Method and apparatus for video signal recording |
| 08/03/1982 | CA1128922A1 Video disc lubricants |
| 08/03/1982 | CA1128903A1 Box for reserving an encased magnetic recording tape |
| 07/27/1982 | US4342059 Electronic gain and noise control for recording of analog information |
| 07/27/1982 | US4341469 Laser shadowgraph |
| 07/27/1982 | US4341365 Video tape cassette |
| 07/27/1982 | US4341362 Anticipating servo controller for controlling magnetic tape movement in a tape cassette loader |
| 07/27/1982 | US4341358 Hub for magnetic tape |
| 07/27/1982 | US4341357 Winding core for magnetic tape adapted for stacking |
| 07/27/1982 | US4341123 Torque-measuring tape cassette |
| 07/21/1982 | EP0056317A1 Cleaning disk assembly, cleaning disk and envelope |
| 07/20/1982 | US4340629 High density information disc |
| 07/20/1982 | US4340194 Tape cassette |
| 07/20/1982 | US4340188 Winding hub for materials in strip form |
| 07/13/1982 | US4339777 Air-flow system for a disk file |
| 07/13/1982 | US4339776 Preprogrammable recording system with automatic warning of time limit |
| 07/13/1982 | US4339162 Video cassette storage box |
| 07/13/1982 | US4339037 Moldable handle for disk pack assembly |
| 07/13/1982 | CA1127756A1 Cartridge with improved access door closing means |
| 07/07/1982 | EP0055390A1 Flexible record disk data storage apparatus |
| 07/07/1982 | EP0055356A1 Package for record carriers |
| 07/06/1982 | US4338644 Magnetic tape cassettes provided with memory circuits for storing information |
| 07/06/1982 | US4337909 Magnetic tape cassette |
| 07/06/1982 | US4337659 Computer tape and reel signature for computer data file security |
| 07/06/1982 | CA1127302A1 Tape cassette |
| 07/06/1982 | CA1127106A1 Reversible ribbon cartridge for a high speed impact printer |
| 06/30/1982 | EP0055249A2 Tape cassette carrier |
| 06/30/1982 | EP0055150A1 Tape drive device with mobile drive roller |
| 06/30/1982 | EP0054665A1 Sealed magnetic disk data storage file |
| 06/30/1982 | EP0054566A1 Method and apparatus for automatically loading tape cartridges with supply tape. |
| 06/29/1982 | US4337493 Magnetic recording tape cartridge |
| 06/29/1982 | US4336631 Handle assembly, top-load cartridge |
| 06/24/1982 | WO1982002111A1 Verification of recorded messages |
| 06/23/1982 | EP0054505A1 Device for counting the number of playing passes of a cassette for tape or film, bearing sound and/or picture or other signals, and/or device for blocking said cassette after a predetermined number of passes |
| 06/23/1982 | EP0054438A1 Optical disk having an index mark |
| 06/23/1982 | EP0054275A1 Method and apparatus for erecting and sealing a cardboard box open at one side |
| 06/23/1982 | EP0054039A1 Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon |
| 06/22/1982 | US4335857 Web aligning system |
| 06/16/1982 | EP0053907A2 Endless loop tape cartridge |
| 06/16/1982 | EP0053734A1 Device for the registration and playback of traffic news |
| 06/15/1982 | US4335173 Method and means for reducing undesirable effects of dirt particles on a flexible record device |
| 06/15/1982 | CA1125912A1 Torsion door spring for a videocassette |
| 06/15/1982 | CA1125911A1 Apparatus for recording and reproducing signals, particularly video signals, on a magnetic tape |
| 06/10/1982 | WO1982001810A1 Diskette filing and storage container |
| 06/09/1982 | EP0053191A1 Cleaning device for tape recorder head |
| 06/08/1982 | US4333620 Tape cassette |
| 06/08/1982 | US4333619 Recording medium and leader assembly |
| 06/08/1982 | US4333618 Apparatus for reducing tape tension variations in a peripheral belt drive tape transport system |
| 06/08/1982 | US4333568 Cassette tape dust cover |
| 06/02/1982 | EP0052865A2 Spindle aperture reinforcement for a floppy disk |
| 06/01/1982 | US4332355 Method and apparatus for automatically loading tape cartridges with supply tape |
| 05/26/1982 | EP0052479A2 Tape cassette |
| 05/25/1982 | US4331993 Web cleaning apparatus |
| 05/25/1982 | US4331992 Method and apparatus for eliminating crosstalk in magnetic tape recorders |
| 05/25/1982 | US4331976 High density recording system using side-by-side information and servo tracks |
| 05/25/1982 | US4330925 Method and apparatus for automatically loading flexible belt-shaped recording medium |
| 05/25/1982 | CA1124402A1 Apparatus for scanning variable area optical sound tracks |
| 05/25/1982 | CA1124389A1 Transducer positioning system for rotating disk drive units |
| 05/19/1982 | EP0051856A1 Tape cassette storage box coupling accessory |
| 05/19/1982 | EP0051848A1 Tape cassette storage box |
| 05/18/1982 | US4330881 Video disc apparatus for clearing foreign matter from the signal pickup stylus during playback |
| 05/18/1982 | US4330162 Tape cartridge storage device |
| 05/18/1982 | US4330161 Storage unit for tape cassettes |
| 05/18/1982 | US4330068 Three-piece structure magnetic tape cassette |
| 05/18/1982 | US4329753 Device for cleaning sensitive surfaces of solid bodies |
| 05/13/1982 | WO1982001616A1 Magnetic disk device |
| 05/12/1982 | EP0051339A1 Optical disc cartridge |
| 05/12/1982 | EP0051145A1 Winding core for magnetic tape cassettes, in particular compact cassettes and magnetic tape cassettes with at least a winding core |
| 05/11/1982 | US4329723 Adjustable mounting for a magnetic tape head |
| 05/11/1982 | US4329722 Enclosed disc drive having combination filter assembly |
| 05/11/1982 | US4329575 Video disc having a label for identifying material recorded thereon |