Patents
Patents for G11B 17 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor (20,090)
09/1982
09/28/1982US4352177 Automatic record player
09/28/1982US4352175 Video disc player having record side identifying apparatus
09/28/1982US4352174 Disc-shaped recording medium reproducing apparatus
09/28/1982US4352135 Floppy pack with improved spacer means
09/28/1982US4352132 Floppy disc drive
09/28/1982US4352131 Memory disc addressing device
09/22/1982EP0060554A1 Device for sucking a disk on to the turntable of a record player
09/21/1982US4351047 Centering of a disc-shaped record carrier on a turntable
09/21/1982US4351046 Video disc player having carriage detent mechanism
09/14/1982US4349851 Magnetic head supporting mechanism for a magnetic disc apparatus
09/14/1982US4349832 Digital data rate corrector and time base corrector
09/10/1982EP0054039A4 Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon.
09/07/1982US4348705 Random access flexible disk memory
09/07/1982CA1131360A1 Cooling apparatus
09/07/1982CA1131133A1 Turntable assembly
08/1982
08/31/1982US4347599 Spindle clamp assembly for a video recorder-playback machine
08/31/1982US4347596 Disc player apparatus
08/24/1982US4346465 Automatic record player
08/17/1982US4345285 Floppy pack with variably-spaced isolation means
08/17/1982CA1129996A1 Magnetic data storage disc drive
08/10/1982US4344162 Automatic record changing apparatus
08/10/1982US4343546 Latch mechanism for use with removable media
08/03/1982CA1129092A1 Articulated head arm
07/1982
07/21/1982EP0056296A1 Apparatus for connecting a disk pack to a disk drive
07/20/1982US4340958 Automatic record changer
07/20/1982US4340955 Video disc player
07/20/1982US4340952 Automatic disc loading mechanism
07/20/1982US4340949 Processor controlled video disc servo system
07/20/1982US4340305 Plate aligning
07/20/1982CA1128203A1 Cartridge loading and unloading mechanism
07/13/1982US4339778 Dual floppy disc machine
07/13/1982CA1127756A1 Cartridge with improved access door closing means
07/07/1982EP0055390A1 Flexible record disk data storage apparatus
07/06/1982CA1127301A1 Transducers with tapered edge profiles and assembly thereof
07/06/1982CA1127297A1 Drive machine moving magnetic disks only partially therein for data transfer
07/06/1982CA1127296A1 Disc memory drive with improved cartridge handling
06/1982
06/30/1982EP0054665A1 Sealed magnetic disk data storage file
06/29/1982US4337533 Front loading type record player
06/23/1982EP0054438A1 Optical disk having an index mark
06/23/1982EP0054039A1 Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon
06/22/1982US4336565 Charge process with a carbon fiber brush electrode
06/15/1982US4335173 Method and means for reducing undesirable effects of dirt particles on a flexible record device
06/09/1982EP0053475A2 Record playing apparatus
06/08/1982US4334302 Flexible recording disc stabilizing and guidance system
06/08/1982US4334276 Disc eccentricity measuring means
06/02/1982EP0052865A2 Spindle aperture reinforcement for a floppy disk
06/01/1982US4333174 Transducer displacement apparatus for video disc player
06/01/1982US4333152 TV Movies that talk back
06/01/1982CA1124861A1 Velocity control apparatus for disk drive
05/1982
05/27/1982WO1982001784A1 Time reversal imaging apparatus for displaying x-ray images or the like
05/26/1982EP0052477A2 Apparatus for recording flexible magnetic disk
05/26/1982EP0052454A2 Recording and/or reproducing equipment including a recording member
05/25/1982CA1124387A1 Video recording disk with interlacing of data for frames on the same track
05/18/1982US4330879 Adaptive stylus kicker using disc track and disc sector information
05/18/1982US4330804 Flying head with foil support
05/18/1982US4330803 Disk accessing apparatus and method
05/13/1982WO1982001616A1 Magnetic disk device
05/12/1982EP0051339A1 Optical disc cartridge
05/04/1982US4328575 Disc player having turntable height varying apparatus
04/1982
04/28/1982EP0050365A1 Spindle clamp assembly for a video recorder-playback machine
04/27/1982US4327388 Transducer-carriage assembly with spring suspension
04/27/1982US4327386 Pneumatic commutator for end-wise partitioning
04/21/1982EP0049755A2 Magnetic head assembly
04/20/1982US4326284 Video disc player having turntable assist apparatus
04/20/1982US4326227 Apparatus for recording and reading data from a magnetic plate
04/15/1982WO1982001272A1 Multi-speed magnetic recorder with wear resistant playback head
04/13/1982US4325136 Video disc player having carriage drive apparatus
04/07/1982EP0048759A1 Record player
03/1982
03/30/1982US4322841 Playback instrument for an information carrier disc
03/30/1982CA1121051A1 Disc memory module dust shield
03/30/1982CA1121050A1 Disc cartridge
03/30/1982CA1121049A1 Cartridge and flexible magnetic disk assembly
03/24/1982EP0048062A1 Device for centering and clamping a flexible disc
03/23/1982US4321702 Carriage reset apparatus for disc record player
03/23/1982US4321635 Apparatus for selective retrieval of information streams or items
03/23/1982US4320833 Cartridge for a video-disk, and video-disk suitable for such a cartridge
03/16/1982US4320430 Recording disc cartridge closure mechanism
03/16/1982US4320429 Pressure device for flexible recording media in cartridges using a universal joint mounting
03/16/1982US4320426 Head assembly for recording on magnetic disc
03/16/1982US4320425 Centering and mounting apparatus for a magnetic recording disc
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
02/17/1982EP0046000A1 Video disc support assembly
02/16/1982US4316281 Spacer for stacked recorded discs
02/16/1982US4316278 System for reading or recording indicia on a flexible disc
02/10/1982EP0045595A1 Electrostatographic process and apparatus
02/09/1982US4315289 Magnetic disk drive machine
02/03/1982EP0044902A1 Supporting device for a magneto-electric transducer in a recording/reading device using magnetic disk memories
01/1982
01/20/1982EP0044242A1 Handle for a magnetic disk cartridge
01/20/1982EP0044151A1 Device for recording and/or reading binary data on both faces of a flexible magnetic disc
01/19/1982CA1116750A1 Video record package
01/19/1982CA1116746A1 Combined speed control and sectoring index for disc recorders and the like
01/12/1982US4310864 Cartridge loading and unloading mechanism
01/12/1982US4310861 Data-recording device
01/05/1982CA1115840A1 Device for holding a rotatable record disc
01/05/1982CA1115839A1 Random access storage device with a movable recording medium
01/05/1982CA1115838A1 Information storage and retrieval system
12/1981
12/24/1981WO1981003712A1 Flexible optical disc and method and apparatus for stabilizing during writing and/or reading of information thereon
12/23/1981EP0042062A1 Magnetic disk cartridges