| Patents for G11B 25 - Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing (7,037) |
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| 09/11/1984 | US4470561 Tape recorder slip clutch |
| 09/11/1984 | US4470560 Cassette adapter |
| 09/05/1984 | EP0117688A1 Spindle clamp for disk drives utilizing removable recording disks |
| 09/04/1984 | US4469292 For recording/playback devices |
| 08/22/1984 | EP0116463A1 Cassette tape player |
| 08/21/1984 | US4467376 Process for the recording on, and reading of, store tapes |
| 08/14/1984 | US4466033 Disk drive with automatic disc clamping and ejecting |
| 08/14/1984 | US4466032 Flexible disc recording and/or reproducing apparatus |
| 08/14/1984 | US4466028 Device for reversing a recording medium for use with a recording and reproducing apparatus |
| 08/07/1984 | US4464694 Tape recorder |
| 08/07/1984 | US4464687 Jitter-free gear arrangement for equipment requiring precision mechanical movement |
| 06/26/1984 | US4456935 Information recording apparatus with a disc loaded in a cassette |
| 06/26/1984 | US4456797 Submersible personal stereo system |
| 06/05/1984 | US4452407 Tape cassette having a reel braking mechanism |
| 06/05/1984 | EP0093717A4 Disc cartridge loading mechanism. |
| 06/05/1984 | CA1168750A1 Method for cleaning the disc surface and the head support structure in a magnetic disc drive |
| 06/05/1984 | CA1168642A1 Miniature type tape cassette |
| 05/22/1984 | US4450549 Compact bookshelf type record player |
| 05/22/1984 | US4450495 Portable acoustic device |
| 05/22/1984 | US4449676 Tape cassette having a reel displacement limiting mechanism |
| 05/08/1984 | US4447899 Optical disc method, media and apparatus for writing and/or reading information |
| 05/08/1984 | US4447836 Recording apparatus for cassette copying |
| 04/25/1984 | EP0106661A2 Method and apparatus for disk drive alignment |
| 04/24/1984 | US4445159 Chassis for video tape recorder |
| 04/24/1984 | US4445155 Flexible magnetic disk cassette and a recording and/or reproducing apparatus for the same |
| 04/24/1984 | US4445144 Method for detecting eccentricity in a video disc and in a video disc player |
| 04/24/1984 | CA1166226A1 Adapter for a miniature type tape cassette |
| 04/18/1984 | EP0105746A2 Tape player |
| 04/10/1984 | US4442367 Elastomeric member for suspending a motor while positioning its magnet |
| 03/27/1984 | US4439851 Turntable lifting apparatus of a video disc player |
| 03/27/1984 | US4438542 Disk storage drive |
| 03/13/1984 | US4437132 Flexible magnetic disk device |
| 03/13/1984 | US4437130 Cassette adapter for eight track machines |
| 02/28/1984 | US4434447 Cassette tape recorder |
| 02/21/1984 | US4432510 Tape cassette |
| 02/15/1984 | EP0100397A1 Adapter for a magnetic tape cassette |
| 02/14/1984 | CA1162175A1 Tape cassette |
| 02/07/1984 | US4430677 Cassette tape recorder |
| 02/07/1984 | CA1161951A1 Fitting mechanism of rotary head and the like in vtr |
| 01/25/1984 | EP0098925A1 Disk drive assembly method |
| 01/11/1984 | EP0098010A1 Unitary assembly, including spindle mount, transducer actuator support structure and magnetic shielding, for disc drive |
| 01/11/1984 | EP0098009A1 Memory storage apparatus having improved housing and base plate arrangement |
| 01/11/1984 | EP0098008A1 Memory storage apparatus having vibration-dampened base plate arrangement |
| 01/10/1984 | US4424942 Rewind device |
| 01/04/1984 | EP0097363A1 Rotary disk |
| 12/28/1983 | EP0097077A1 Tape deck |
| 12/20/1983 | US4422170 Turntable apparatus |
| 12/07/1983 | EP0095558A2 Disk file apparatus |
| 12/06/1983 | US4419710 Case for a disc-shaped recording medium |
| 12/06/1983 | US4419703 Disc cartridge loading mechanism |
| 11/16/1983 | EP0093717A1 Disc cartridge loading mechanism |
| 11/15/1983 | US4416004 Rotary recording medium reproducing apparatus having a lid member guiding mechanism |
| 11/15/1983 | US4415940 Device for inserting and ejecting a diskette cartridge into or from a drive mechanism |
| 10/26/1983 | EP0092373A1 Cassette and cassette adapter for use therewith |
| 10/26/1983 | EP0092169A2 Method and apparatus for recovering information from a videodisc |
| 10/26/1983 | EP0092168A2 Method and apparatus for recovering information from a videodisc |
| 10/26/1983 | EP0092167A2 Method and apparatus for recovering information from a videodisc |
| 10/26/1983 | EP0092166A2 Method for recovering information from a videodisc |
| 10/26/1983 | EP0092165A2 Method and apparatus for recovering information from a videodisc |
| 10/25/1983 | US4412261 Magnetic disk memory device |
| 10/25/1983 | US4412106 High fidelity stereophonic reproduction system |
| 10/18/1983 | US4410920 Unitary mounting means for the tape handling components of a VTR |
| 10/18/1983 | CA1155545A1 Apparatus for controlling the motion of a moving tape |
| 10/12/1983 | EP0091295A1 Adapter for a tape recorder |
| 10/04/1983 | CA1154732A1 Tape cassette |
| 09/27/1983 | CA1154529A1 Video disc caddy |
| 09/20/1983 | US4405136 Pneumatic cartridge seal for computer disc drive cartridge |
| 09/20/1983 | US4405098 Extended play cassette |
| 09/20/1983 | US4405093 Endless tape travelling device |
| 09/13/1983 | US4404668 Sound reproducing device |
| 09/13/1983 | US4404667 Sound reproducing device driven by a constant torque pull string type spring and started by selective starter rods for playing multiple record grooves |
| 09/13/1983 | US4404611 Bidirectional cassette transport |
| 09/13/1983 | CA1153703A1 Rotary recording medium reproducing apparatus having a lid member guiding mechanism |
| 08/09/1983 | US4398280 Information recording disk player |
| 08/02/1983 | US4396964 Recirculating air system for magnetic disk drive |
| 07/26/1983 | US4395743 Pinch roller drive mechanism and control circuit in open reel type tape recorder |
| 07/19/1983 | US4394697 Magnetic recording/reproducing apparatus |
| 06/29/1983 | EP0082390A2 Method for detecting excentricity in a video disc and in a video disc player |
| 06/22/1983 | EP0082014A1 Tape cassette adapter |
| 06/21/1983 | US4389716 Mode control system for a radio/tape player unit |
| 05/26/1983 | WO1983001863A1 Disc cartridge loading mechanism |
| 05/26/1983 | WO1983001861A1 Contaminant purging in a magnetic disc drive |
| 05/24/1983 | US4385333 Magnetic disc drive system |
| 05/24/1983 | US4385205 Single motor drive assembly for a tape cassette telephone answering device |
| 05/17/1983 | US4384311 Method for cleaning the disc surface and the head support structure in a magnetic disc drive |
| 05/04/1983 | EP0078060A1 Method and apparatus for recovering information from a selected track on a record disc |
| 05/04/1983 | EP0077876A1 Minicassette |
| 04/28/1983 | WO1983001527A1 Magnetic disc drive cleaning method |
| 04/26/1983 | US4381528 Enclosed-type magnetic disc recording and/or reproducing apparatus |
| 04/12/1983 | CA1144643A1 Magnetic card recording and/or reproducing apparatus |
| 02/16/1983 | EP0071936A2 Telephone interfaced recording and playback apparatus |
| 02/15/1983 | CA1141463A1 Dictation recording and transcribing method and apparatus including display for multiple recording media |
| 01/26/1983 | EP0070557A1 Disc player apparatus with an improved disc clamper |
| 01/26/1983 | EP0070556A1 Disc rotating apparatus |
| 01/25/1983 | US4370687 Magnetic disk apparatus |
| 01/19/1983 | EP0070090A1 Extended play cassette |
| 01/12/1983 | EP0069545A2 Disc recorder with integral cartridge tape module |
| 01/04/1983 | US4367503 Fermetically sealed disk file |
| 12/28/1982 | US4366516 Precision machinery component |
| 12/21/1982 | US4365280 Escutcheon simulative of a radio for disguising electronic apparatus |