Patents
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)
12/1982
12/07/1982US4363056 Disk housing for disk drive mass storage unit
11/1982
11/23/1982US4360174 Cassette tape recorder
11/16/1982US4359762 Removable storage module and module
11/09/1982US4358805 Playback and/or recording device for magnetic recording media, especially still photographs provided with a magnetizable coating
11/09/1982CA1135409A1 Disk file
10/1982
10/20/1982EP0062923A2 Magnetic sound record/playback apparatus
10/19/1982CA1134031A1 Slow speed tape recorder
09/1982
09/30/1982WO1982003291A1 Device for retaining by suction a record on the turntable of a r ecord-player
09/28/1982US4352133 Magnetic disc memory
09/10/1982EP0054039A4 Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon.
08/1982
08/31/1982US4347599 Spindle clamp assembly for a video recorder-playback machine
08/17/1982CA1130000A1 Releasable carriage drive unit for an optical disc player
08/03/1982CA1129095A1 Magnetic card handling apparatus
07/1982
07/07/1982EP0055302A1 A video tape recorder and a method of assembling a video tape recorder
07/06/1982US4338642 Drive belt release mechanism for magnetic disk drives
07/06/1982US4338641 Magnetic tape device
07/06/1982CA1127303A1 Electronically controlled magnetic recording
06/1982
06/30/1982EP0054665A1 Sealed magnetic disk data storage file
06/29/1982US4337491 Brushless D.C. motor assembly
06/23/1982EP0054039A1 Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon
06/22/1982CA1126401A1 Cartridge-loading tape recorder
06/08/1982CA1125180A1 Cutting recording apparatus
05/1982
05/18/1982US4330801 Tape recorder
05/12/1982EP0051406A1 Video tape recorder and combined television camera and video tape recorder
05/04/1982US4328575 Disc player having turntable height varying apparatus
04/1982
04/28/1982EP0050365A1 Spindle clamp assembly for a video recorder-playback machine
04/27/1982US4327435 Playback system for recording disk having flexible, deformable recording membrane
04/13/1982US4325094 Tape recorder having interlocked tape speed and tone control adjustment
03/1982
03/16/1982US4320425 Centering and mounting apparatus for a magnetic recording disc
03/09/1982US4319290 Dictation recording and transcribing method and apparatus including display for multiple recording media
03/02/1982US4318147 Magnetic card recording and/or reproducing apparatus
03/02/1982US4318144 Flexible magnetic disk recording apparatus
02/1982
02/23/1982US4317146 Compact magnetic disk storage system
02/23/1982CA1118700A1 Print element
02/17/1982EP0046000A1 Video disc support assembly
01/1982
01/26/1982USRE30853 Cassette record player-recorder
01/19/1982CA1116747A1 Disc file assembly
12/1981
12/24/1981WO1981003712A1 Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon
12/15/1981CA1114499A1 Controlled surface finish for flexible disk stabilizing plate
12/08/1981US4305103 Automatic reverse cassette type recorder
12/01/1981US4303807 Ultra-small portable sound reproducing apparatus
11/1981
11/18/1981EP0039975A2 Device for loading and ejecting a diskette into or from a disk drive
11/17/1981US4301525 Central control system for dictation
11/17/1981CA1112761A1 Air bearing for information carrier in the form of a flexible disc and disc reader using this air bearing
11/10/1981US4300175 Tape recorder with adapter for reading a card
11/03/1981US4298976 Microphonograph record
11/03/1981CA1111963A1 High performance floppy pack and associated systems
11/03/1981CA1111962A1 Cassette and card recording and/or reproducing apparatus
10/1981
10/06/1981US4293881 System for priority transcribing of dictation
10/06/1981US4293742 Microphone device
09/1981
09/29/1981US4292656 Enclosed-type magnetic disc recording and/or reproducing apparatus
09/22/1981CA1109557A1 Disk file with symmetrical hollow base
09/08/1981US4288825 Magnetic card handling apparatus
08/1981
08/18/1981US4285018 Disk file
08/18/1981US4285016 Disc, tape and hybrid disc-tape memory apparatus and drive assembly
08/11/1981CA1106665A1 Audiovisual card reproducing device
08/04/1981US4282554 Enclosed disc drive with improved air flow
07/1981
07/09/1981WO1981001906A1 Information recording apparatus with a disc loaded in a cassette
06/1981
06/02/1981US4270854 Photographic instant camera with magnetic recording capability
05/1981
05/27/1981EP0029064A1 Gas circulation and filtration apparatus for magnetic disc recording systems
05/19/1981US4268878 Gas circulation and filtration apparatus for magnetic disc recording systems
05/12/1981US4266784 Video disc caddy having disc entrapment
05/12/1981CA1101119A1 Multiple pack magnetic disk system
05/05/1981CA1100632A1 Self centering disk
04/1981
04/08/1981EP0026552A2 Apparatus for controlling the motion of an elongated object; case for a tape-like information carrier provided with such apparatus; apparatus for writing, reading or erasing information on a tape-like information carrier contained in such a case
04/07/1981US4261023 Magnetic recording reproducing apparatus
04/01/1981EP0026095A2 Dictation recording and transcribing method and apparatus
03/1981
03/31/1981US4259702 Front-loading cassette tape machine
03/24/1981US4258402 Small size tape recorder with adapter
03/17/1981US4257078 Read device for plane magnetic recording medium
01/1981
01/07/1981EP0021040A1 Magnetic tape cassette apparatus
12/1980
12/11/1980WO1980002768A1 Gas circulation and filtration apparatus for magnetic disc recording systems
12/10/1980EP0020176A2 Disc, tape and hybrid disc-tape memory apparatus and drive assembly
12/02/1980US4237540 Tape recorder with table computer
10/1980
10/28/1980US4230932 Blowers for drying video tape recorders
10/21/1980CA1087990A1 Dual medium dictation recording and transcription system
10/14/1980US4228474 Adapter unit for translating electrical signals
09/1980
09/23/1980CA1086425A1 Information erasure on magnetic card tracks
09/16/1980US4223359 Flexible magnetic disk recording apparatus
08/1980
08/20/1980EP0014231A1 Information storage apparatus
08/19/1980US4218155 Stick for applying a liquid
08/19/1980US4218117 Audio system vibration isolation arrangement for photographic viewer
08/19/1980CA1084161A1 Data storage apparatus
08/05/1980US4216509 Cassette player/recorder interchangeably handling cassettes of two sizes
07/1980
07/29/1980CA1082453A2 Hand-held playback device, system and method
07/22/1980CA1082359A1 Recording, reproducing and automatic translation device and related medium
07/15/1980US4213161 Motor control for slow speed tape recorder
07/08/1980US4212037 Method for scanning a card with video signal
06/1980
06/24/1980US4209811 Device for automatically recording, reproducing and translating, and corresponding circuit
06/17/1980CA1079847A1 Magnetic disk information storage apparatus
06/03/1980US4206487 Cassette magnetic recording and reproducing apparatus and mini-cassette adapter
05/1980
05/15/1980WO1980001015A1 Magnetic reproducer
05/14/1980EP0011025A1 Sound reproducing apparatus with interchangeable modules
05/06/1980US4201356 Cartridge arrangement comprising an adapter
05/01/1980WO1980000892A1 Educational magnetic reproduction apparatus
04/1980
04/16/1980EP0009673A1 Recording and/or reproducing apparatus for information carriers provided with a magnetisable area
04/01/1980US4195844 Audiovisual card reproducing device
03/1980
03/18/1980CA1074008A1 Apparatus for detachably mounting a record sheet in place in a sheet type recorder/player
03/04/1980CA1073099A1 Electric control system for magnetic sheet recording and reproducing apparatus for audiovisual instruction
02/1980
02/26/1980US4190870 Disk drive assembly
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