| Patents for G11B 33 - Constructional parts, details or accessories not provided for in the other groups of this subclass (27,271) |
|---|
| 10/03/1978 | US4117997 Motor isolation mount for disk drives |
| 09/26/1978 | US4117275 Non-directional electret microphone with an air passage to balance pressures on opposite sides of the diaphragm |
| 09/19/1978 | CA1038568A1 Hinge and detent mechanism |
| 09/12/1978 | US4113262 Record support and alignment apparatus for a video disc player |
| 09/12/1978 | CA1038489A1 Selectively tensioned transducer assembly for operation in compliant relation to individual memory discs of a partitionable aggregate of rotating flexible discs |
| 08/29/1978 | US4109919 Package actuated record extracting mechanism for a video disc player |
| 08/22/1978 | US4108510 Record player cabinet |
| 08/22/1978 | US4108365 Coin-operated recording machine |
| 08/15/1978 | US4107489 Switch mechanism for simple phonograph |
| 08/15/1978 | US4106663 Means for opening and closing a lid of cassette tape receiver portion |
| 08/08/1978 | US4106082 Hoods for record players and other sound recording or reproducing apparatus |
| 08/08/1978 | US4106066 Magnetic disc cartridge |
| 07/25/1978 | US4102067 Combined greeting card and music box structure |
| 07/18/1978 | US4101182 Hoods for record players |
| 07/18/1978 | US4101135 Sound reproducing unit |
| 07/18/1978 | US4101134 Sound reproducing unit tone arm |
| 07/04/1978 | US4098513 Suspension devices for the chassis of a recording and/or reproducing apparatus |
| 05/30/1978 | US4092671 Video player having plural safety devices actuated by unlatching |
| 05/30/1978 | US4092062 Signal device for electro-acoustic reproducing equipment |
| 05/23/1978 | US4090718 Button-shaped toy record player |
| 05/16/1978 | US4090117 Magnetic disc apparatus |
| 05/09/1978 | US4089030 Helical scan VTR tape deck with resiliently mounted scanning assembly |
| 04/18/1978 | US4084690 Video disc package having a center post |
| 04/11/1978 | US4084201 Magnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude control |
| 03/28/1978 | US4081850 Portable tape player and tape container |
| 03/21/1978 | US4079944 Cueing device for phonographs |
| 03/14/1978 | US4078808 Dual record toy phonograph |
| 03/14/1978 | US4078807 Phonograph record player |
| 02/14/1978 | US4074082 Coupling device between tape recorder and attachment |
| 02/14/1978 | US4073496 Phonograph device |
| 01/24/1978 | US4070553 Personal audio listening system |
| 01/24/1978 | US4070546 Portable stereo audio apparatus |
| 12/06/1977 | US4061378 Cassette tape recorder having impact absorbing mechanism for cover plate |
| 12/06/1977 | US4061227 Shock and heat resistant storage unit |
| 11/15/1977 | US4058759 Power supply for computer peripheral device |
| 10/25/1977 | US4055351 Resettable toy phonograph |
| 10/18/1977 | US4054931 Gas filtering arrangement for magnetic disk information storage apparatus |
| 09/27/1977 | US4050699 Quick replay device |
| 07/26/1977 | US4038694 Player for tape cartridges and cassettes |
| 06/28/1977 | US4032971 Video player having safety devices actuated by unlatching |
| 06/21/1977 | US4031554 Magnetic recording and reproducing apparatus |
| 06/21/1977 | US4031335 Stereo pick-up with casing serving as common pole piece |
| 06/07/1977 | US4027887 Toy phonograph with automatic pickup arm return means |
| 05/03/1977 | US4021855 Cassette detection device for recording and/or playback apparatus |
| 04/12/1977 | US4017905 Toy recorder and playback apparatus |
| 04/12/1977 | US4017901 Device for loading and unloading cartridges into and from a recording and/or playback apparatus |
| 03/15/1977 | US4012791 Disk drive apparatus |
| 03/08/1977 | US4010959 Sound reproducing unit |
| 02/15/1977 | US4008492 Thermally stabilized enclosure for magnetic disk |
| 02/15/1977 | US4008356 Cell retaining casing for photographic cameras |
| 01/04/1977 | US4001887 Manual tape apparatus with generator for providing electrical power |
| 12/28/1976 | US4000519 Cassette and apparatus for tape recordings on both tape sides |
| 12/21/1976 | US3998824 Method of embedding inserts in a thermoplastic body |
| 11/30/1976 | US3994502 Audible candle holder |
| 11/16/1976 | US3992016 Simplified phonograph |
| 10/26/1976 | US3987900 Jacket for magnetic disc memory |
| 10/19/1976 | US3987494 Portable magnetic tape player with handle constituting magnetic tape head indexing mechanism |
| 09/21/1976 | US3981265 Combined dial scale and station indicator |
| 09/07/1976 | US3979599 Operatively interlocked electronic system |
| 06/29/1976 | US3966330 Phonograph record detecting arrangement |
| 06/22/1976 | US3964808 All-plastic housing for a small compact tape reproducer and recorder |
| 06/08/1976 | US3962724 Method of and device for testing movable magnetic heads for ability to trace a predetermined spiral magnetic track without deviating therefrom |
| 04/13/1976 | US3950787 Cassette holding device for tape recording and/or reproducing apparatus |
| 04/13/1976 | US3949872 Individual case for phonograph records |
| 04/06/1976 | US3949425 Video systems |
| 03/30/1976 | US3947883 Indicator device for slot-in type cassette tape recorder |
| 02/24/1976 | US3940148 Lid interlock apparatus for a disc record player |
| 02/10/1976 | US3937886 Power supply switching circuit for combined audio system |
| 02/10/1976 | US3937476 Reproducing apparatus for a disc type record medium |
| 01/13/1976 | US3932892 Superminiature cassette tape recorder |
| 01/06/1976 | US3930653 Lid latch mechanism for a disc record player |