Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › 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
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)
10/1980
10/29/1980EP0017700A1 Central dictation system with a magnetic tape carrier labeling apparatus
10/28/1980US4230932 Blowers for drying video tape recorders
10/28/1980US4230520 Automatic tape winding machine
10/28/1980US4230380 Phonograph record holder
10/28/1980US4230225 Storage container for recording tape cartridge
10/21/1980US4229112 Random stuffer ribbon cartridge with improved ribbon exit control
10/15/1980EP0017134A1 Tape cassette and apparatus therefor
10/14/1980US4228474 Adapter unit for translating electrical signals
10/14/1980US4227622 Tape cassette
10/07/1980US4227221 PCM Recording apparatus
10/07/1980US4226511 Film strip/audio tape arrangement for audio-visual cassette
10/07/1980US4226382 Catching and holding the terminal end of a tape in a tape reel
10/07/1980US4226381 Tape reel
09/1980
09/30/1980US4225201 Cassette holder
09/30/1980US4225100 Tape cassette
09/30/1980CA1086702A1 Reel for tape
09/30/1980CA1086701A1 Tape cassette
09/23/1980US4224648 Disc centering
09/23/1980US4223787 Cassette carrying case
09/23/1980US4223463 Recording tape carrier
09/23/1980CA1086385A1 Audio frequency amplifiers
09/18/1980WO1980001964A1 Noise reduction apparatus
09/17/1980EP0015398A1 Storage unit for magnetic-tape cassettes
09/16/1980US4222487 Single disk cartridge
09/09/1980US4222081 Information reading device for a multitrack storage device
09/09/1980US4221440 Tape cartridge holder
09/09/1980US4221348 Belt driven tape cartridge
09/09/1980CA1085507A1 Anti-static magnetic record disk assembly
09/02/1980CA1085050A1 Method for recording information on a rotatable medium
08/1980
08/26/1980US4219169 Floating roller magnetic tape cartridge
08/26/1980US4219118 Protective case for tape recording cassettes
08/26/1980CA1084621A1 Magnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude control
08/26/1980CA1084442A1 Electrochemical tape cleaning
08/20/1980EP0014231A1 Information storage apparatus
08/19/1980US4218117 Audio system vibration isolation arrangement for photographic viewer
08/19/1980US4217991 Device for storing and readying of magnetic tape cassettes
08/19/1980CA1084161A1 Data storage apparatus
08/12/1980US4217614 Cassette tape position indicator
08/12/1980US4216857 Box for reserving cassette or cartridge
08/12/1980CA1083488A1 Pulse code modulated digital audio system
08/06/1980EP0013806A1 Automatic cassette changing method and system
08/05/1980US4216511 Flexible magnetic recording disc with cartridge having a latching drive member
08/05/1980US4216509 Cassette player/recorder interchangeably handling cassettes of two sizes
08/05/1980US4216052 Automatic threading mechanism for a cassette loader
08/05/1980US4215920 Means for post-production film-making
07/1980
07/29/1980US4215377 Multi-speed tape cassette system
07/29/1980US4214719 Tape cassette
07/23/1980EP0013472A1 Removable cover for video disk and a video disk and player system for use with a disk having a removable cover
07/23/1980EP0013339A2 Endless ribbon cartridge
07/22/1980US4213870 Includes fluorinated alkyl esters
07/22/1980US4213578 Cassette tape reel
07/22/1980US4213223 Tape cartridge strap cleaner
07/22/1980US4213222 Cleaning apparatus for a web of plastics film having a magnetic coating
07/15/1980US4213193 Holographic data storage systems
07/15/1980US4212694 Tape splicing device and dispenser therefor
07/15/1980US4212437 Tape cassette
07/15/1980US4212420 Ribbon storage device
07/09/1980EP0012883A1 Random stuffed ribbon cartridge with jam preventing exit
07/09/1980EP0012879A2 Once reversible ribbon cartridge for an impact printer
07/08/1980US4212042 Device for recovering video information from magnetic tape
07/08/1980US4212041 Apparatus and method for removing the effect of interference magnetic fields in a magnetic transducer device for detecting information magnetically coded on a carrier
07/08/1980US4211617 Electroplating copper and nickel on silver layer
07/08/1980US4211580 Method and apparatus for cleaning an endless strip of film, tape, or the like
07/08/1980US4211337 Multiple-point hinge for double-wall plastic box
07/01/1980US4210266 Device for ejecting a loop of leader tape from a magnetic tape cassette
06/1980
06/24/1980US4209144 Floating roller tape cartridge
06/24/1980CA1079920A1 Method and apparatus for producing a composite plastic article
06/17/1980US4208679 Transducer positioning system for rotating disk drive units
06/17/1980CA1079514A1 Polymodal magnetic recording media process for making and verifying the same and compositions useful therein
06/10/1980US4206926 Video disc player having record size identification apparatus
06/10/1980CA1079399A1 Cassette tape recording and/or reproducing apparatus
06/03/1980US4205809 Tape cassette
06/03/1980US4205808 Tape cartridge
06/03/1980CA1078912A1 Illumination system
05/1980
05/28/1980EP0011467A1 Tape cassette
05/28/1980EP0011232A1 Recording-reproduction apparatus for an endless tape
05/27/1980US4204898 Tape winding and splicing machine
05/27/1980US4204654 Tape guide assemblies for video cassettes
05/27/1980US4204315 Method of producing a magnetic transducer device
05/20/1980US4203564 Tape reel
05/20/1980US4203519 Tape cartridge holder
05/13/1980CA1077618A1 Detection device for detecting ends of a cassette tape
05/06/1980US4201356 Cartridge arrangement comprising an adapter
05/06/1980US4201353 Winding core for magnetic tape adapted for stacking
05/06/1980US4201298 Storage case
04/1980
04/30/1980EP0010504A1 Device for keeping the side flanges of a motion-picture film or magnetic tape reel contained in a box at a constant distance from each other
04/29/1980US4200889 Complementary pre-emphasis and de-emphasis circuits for a video signal transfer channel
04/29/1980US4200250 Pressure pad support for a cassette
04/29/1980US4200189 Grammophone record sleeve
04/29/1980CA1076698A1 Endless loop recorder having temperature compensated tensioning
04/22/1980US4199794 Dual tape transport system with tensioning means
04/22/1980US4199793 Digital recording
04/17/1980WO1980000752A1 Dual web sound movie cassette with emulsion stripping web
04/16/1980EP0009673A1 Recording and/or reproducing apparatus for information carriers provided with a magnetisable area
04/16/1980EP0009599A1 Circuit for reducing the noise in the read-signal of a magnetic layer memory
04/15/1980US4198663 Digital signal recording system
04/15/1980US4198059 Method and means for playing back or moving of records or tapes substantially free of electrostatic charges
04/15/1980US4198014 Magnetic tape magazine
04/15/1980US4198013 Tensioning means for belt driven tape cassette
04/08/1980US4197359 Hub for a disk storage medium
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