| Patents for G11B 33 - Constructional parts, details or accessories not provided for in the other groups of this subclass (27,271) | 
|---|
| 01/28/1981 | EP0022905A1 Enclosed self-purging disk pack units | 
| 01/27/1981 | US4247119 Record side identification apparatus for video disc player | 
| 01/21/1981 | EP0022652A1 A disk record container | 
| 01/20/1981 | US4245746 Phonograph record storage rack | 
| 01/20/1981 | US4245404 Audio-visual teaching machine | 
| 01/13/1981 | CA1093666A1 Portable radio receiver with detachable speaker unit | 
| 01/07/1981 | EP0021040A1 Magnetic tape cassette apparatus | 
| 01/07/1981 | EP0020933A1 Control of relative humidity in disk files | 
| 12/16/1980 | US4239108 Video disc caddy | 
| 12/02/1980 | US4237540 Tape recorder with table computer | 
| 11/18/1980 | US4234193 Simplified phonograph capable of selecting desired grooves on a record disc | 
| 11/11/1980 | US4233686 Radio tuner for coupling with tape recorder | 
| 11/11/1980 | US4232790 Storage and display device for record albums and tapes | 
| 11/04/1980 | US4232205 Microphone mount | 
| 10/29/1980 | EP0017698A1 Record member playback apparatus | 
| 10/28/1980 | US4230932 Blowers for drying video tape recorders | 
| 10/15/1980 | EP0017004A1 Device for reducing vibrations in a record player | 
| 09/30/1980 | US4225038 Magnetic disk storage case | 
| 09/30/1980 | CA1086860A1 Video player having safety devices actuated by unlatching | 
| 09/16/1980 | CA1085943A1 Method to prevent unauthorized use of cassette tape recorders and a device according to the method | 
| 09/09/1980 | US4221281 Carrier for remote controller | 
| 09/02/1980 | US4220338 Video disc player having modular construction | 
| 08/26/1980 | CA1084621A1 Magnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude control | 
| 08/19/1980 | US4218775 Pushbutton radio tuner with illuminated pushbutton display | 
| 08/06/1980 | EP0014058A1 Improvements relating to turntable mountings for record players | 
| 07/22/1980 | US4214281 Tape recorder with means for displaying operation modes in the form of characters | 
| 07/08/1980 | US4211421 Video disc player having adjustable end-of-play switch | 
| 07/01/1980 | CA1080844A1 Personal audio listening system | 
| 06/24/1980 | US4209174 Shock starting type simplified phonograph | 
| 06/17/1980 | US4208678 Stabilized rotation of flexible disk files | 
| 05/28/1980 | EP0011432A1 Carrier for remote controller | 
| 05/27/1980 | US4205355 Flexible disk drive apparatus | 
| 05/14/1980 | EP0011025A1 Sound reproducing apparatus with interchangeable modules | 
| 05/14/1980 | EP0010606A1 Flexible disk pack assembly | 
| 05/13/1980 | US4202551 Acoustic dampening assembly for record player turntable | 
| 05/01/1980 | WO1980000892A1 Educational magnetic reproduction apparatus | 
| 04/22/1980 | US4199061 Record album and booklet | 
| 04/22/1980 | CA1076255A1 Lid interlock and turntable brake system | 
| 04/17/1980 | WO1980000688A1 Hinge for opening and closing cover of record player | 
| 04/15/1980 | US4198665 Pivotable cassette holder for a magnetic tape recorder apparatus | 
| 04/15/1980 | US4198057 Simplified record player | 
| 04/01/1980 | US4195843 Simplified motor assembly and related electrical connection in a _sound reproducing device | 
| 03/25/1980 | US4194743 Record player | 
| 03/18/1980 | US4194157 Portable radio receiver with detachable speaker unit | 
| 03/18/1980 | US4193164 Rear hinge for holding lid of record player to console | 
| 03/11/1980 | US4192514 Sound reproducing mechanism for toys | 
| 02/26/1980 | US4190870 Disk drive assembly | 
| 02/19/1980 | US4189746 Method and apparatus for determining focus conditions | 
| 02/05/1980 | US4187395 Stereo sound recording and reproduction apparatus | 
| 01/23/1980 | EP0006954A1 Support for flat objects, particularly for record sleeves | 
| 01/22/1980 | US4185308 Enclosed-type magnetic disc recording and/or reproducing apparatus | 
| 01/09/1980 | EP0006631A1 Disk storage apparatus | 
| 01/01/1980 | CA1069087A Stand for holding gramophone records and magnetic tape cassette cases | 
| 12/04/1979 | CA1067616A1 Recording and/or playback apparatus and cassette for such an apparatus | 
| 11/20/1979 | US4174876 Mounting mechanism for enclosure | 
| 10/23/1979 | CA1065040A1 Molded chassis on which parts of a tape recorder or the like are mounted | 
| 09/25/1979 | US4168836 Internally illuminated spindle for record player turntables | 
| 09/11/1979 | US4167787 Tape recorder apparatus with a tape-running direction display | 
| 09/11/1979 | US4167774 Hoods for record players | 
| 09/04/1979 | US4166624 Record player | 
| 08/14/1979 | US4164764 Magnetic head position reference system | 
| 07/31/1979 | CA1059622A1 Thermally stabilized enclosure for magnetic disk | 
| 07/24/1979 | US4162007 Magazine-lid combination for jacketed magnetic disks | 
| 07/24/1979 | US4162006 Magnetic diskette magazine | 
| 07/03/1979 | US4159810 Cassette re-winding device | 
| 06/19/1979 | US4158870 Reflecting means for visual inspection of magnetic tape head | 
| 06/19/1979 | US4158867 Video disc player | 
| 06/19/1979 | US4158459 Pick-up arms for record players | 
| 06/19/1979 | US4158450 Mounting of parts on a chassis or base plate | 
| 06/14/1979 | WO1979000334A1 Support for flat objects,particularly for record sleeves | 
| 06/12/1979 | US4157832 Simplified structure of toy phonograph | 
| 06/05/1979 | US4157185 Automatically resettable toy phonograph assembly | 
| 06/05/1979 | CA1056055A1 Storage system having a universal disk drive and a family of data modules | 
| 05/22/1979 | CA1055153A1 Magnetic recording and reproducing apparatus | 
| 05/08/1979 | CA1054119A1 Illuminating unit for record discs | 
| 05/01/1979 | US4152728 Releasable carriage drive unit for an optical disc player | 
| 04/24/1979 | US4150832 Mechanism for causing returning movement of tone arm of toy phonograph | 
| 04/24/1979 | US4150831 Toy record player | 
| 04/10/1979 | CA1052467A1 Cassette and apparatus for recording and/or reproducing information | 
| 04/04/1979 | EP0001353A1 Container for magnetic memory storage members | 
| 04/03/1979 | US4147365 Record player | 
| 04/03/1979 | US4147299 Air flow system for a disk file | 
| 02/13/1979 | CA1048640A1 Power supply circuit | 
| 02/13/1979 | CA1048585A1 Record organizer | 
| 01/23/1979 | US4136344 Miniature receiving set with a pivotable stand | 
| 01/23/1979 | US4135721 Video disc player | 
| 01/09/1979 | US4134142 Cassette tape player | 
| 01/02/1979 | US4132413 Toy phonograph | 
| 01/02/1979 | CA1045713A1 Cassette holding device for tape recording and/or reproducing apparatus | 
| 12/26/1978 | US4131001 Method to prevent unauthorized use of cassette tape recorders and a device according to the method | 
| 12/12/1978 | US4129890 Magnetic recording and reproducing apparatus | 
| 12/05/1978 | US4128175 Stand for holding gramophone records and magnetic tape cassette cases | 
| 11/21/1978 | US4126229 Record organizer | 
| 10/31/1978 | US4123065 Phonograph for use with record cartridges | 
| 10/24/1978 | US4121836 Stylus cartridge suspension for record players | 
| 10/24/1978 | US4121835 Sound producing straw | 
| 10/17/1978 | CA1040715A1 Dial scale and station indicator | 
| 10/10/1978 | US4120037 Desk-top electronic calculator and tape recorder assembly | 
| 10/03/1978 | US4118039 Tonearm position setting apparatus | 
| 10/03/1978 | US4118038 Vibration transmission mechanism for a phonograph |