Patents
Patents for G11B 17 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor (20,090)
06/1983
06/15/1983EP0081001A1 Record player
06/08/1983EP0080657A1 Drive mechanism for record carriers with a central clamping opening, in particular for flexible record carriers
06/07/1983US4387454 Disc-shaped recording medium reproducing apparatus
06/07/1983US4387408 Multi-speed magnetic recorder with wear resistance playback head
06/07/1983US4387114 Solidification of a liquid
06/07/1983CA1147769A1 Self-activating ferrofluid seal and method
06/01/1983EP0080212A1 Optical memory apparatus
05/1983
05/31/1983CA1147461A1 Record handling mechanism for caddy type video disc player
05/26/1983WO1983001863A1 Disc cartridge loading mechanism
05/26/1983WO1983001862A1 Gimbal assembly for flying magnetic transducer heads
05/26/1983WO1983001861A1 Contaminant purging in a magnetic disc drive
05/24/1983US4385335 Method and apparatus for centering magnetic disks
05/24/1983CA1147058A1 Record carrier with sector address sections
05/18/1983EP0078831A1 Improved optical disc unit, and cooperating record/playback apparatus
05/17/1983US4384352 Rotary recording medium reproducing apparatus
05/17/1983US4384311 Method for cleaning the disc surface and the head support structure in a magnetic disc drive
05/17/1983US4384197 Magnetic detection device for use in bank note discriminating apparatus
05/10/1983US4383309 Disc-shaped recording medium reproducing apparatus
05/10/1983US4383283 Dual mini-disk drive
05/10/1983CA1146271A1 Removable disc media
05/03/1983CA1145682A1 Releasable cover locking device
04/1983
04/28/1983WO1983001527A1 Magnetic disc drive cleaning method
04/26/1983US4381559 Disc-shaped recording medium reproducing apparatus
04/26/1983US4381556 Videodisc reader with longitudinally displaced turntable
04/26/1983CA1145464A1 Programmed video record disc and related playback apparatus
04/19/1983US4380783 Flexible disk drive
04/19/1983US4380782 Drive apparatus for flexible magnetic discs
04/19/1983US4380781 Disc-shaped recording medium reproducing apparatus
04/19/1983US4380780 Disc-shaped recording medium reproducing apparatus
04/13/1983EP0076583A1 A device for carrying a disc in a disc-player
04/13/1983EP0076518A2 Record disc reproducing apparatus
04/12/1983CA1144643A1 Magnetic card recording and/or reproducing apparatus
04/06/1983EP0076064A1 Improved removable disk cartridge
04/06/1983EP0076061A1 Apparatus for loading a disc on a turntable
04/05/1983US4379315 Carriage loading arm assembly having two magnetic transducers for a double sided floppy disc
03/1983
03/29/1983US4378576 Removable disc media
03/22/1983US4377830 Combination magnetic disk storage device and filter system
03/22/1983US4377827 Servo positioning control system for a data storage apparatus
03/15/1983US4376997 Spindle assembly
03/15/1983US4376960 Flexible disk stabilizing structure
03/08/1983US4376305 Automatic record player
03/08/1983US4376293 Magnetic disk recording and/or reproducing device
03/08/1983CA1142643A1 Random access flexible disk memory
03/01/1983US4375656 Magnetic head assembly with asymmetric slotted configuration
03/01/1983CA1142256A1 Disc centering
02/1983
02/23/1983EP0072704A2 Method and apparatus for optically recording and reproducing information
02/22/1983US4375091 Method and apparatus for information retrieval from an optically readable storage medium
02/22/1983US4375070 Magnetic head soft loading and unloading device
02/09/1983EP0071381A2 Magnetic disc drive unit
01/1983
01/26/1983EP0070557A1 Disc player apparatus with an improved disc clamper
01/26/1983EP0070556A1 Disc rotating apparatus
01/25/1983US4370738 Video disc player having record retaining mechanism
01/25/1983US4370688 Floppy pack with enhanced orifice means
01/12/1983EP0069545A2 Disc recorder with integral cartridge tape module
01/11/1983US4368495 Cartridge loading mechanism for magnetic disk drive
01/11/1983US4368370 Switch actuating apparatus for video disc player
01/11/1983CA1139437A1 Drive apparatus for flexible magnetic discs
01/05/1983EP0068642A2 Vending ordering terminal
01/04/1983US4367545 Video disc player
01/04/1983US4367503 Fermetically sealed disk file
12/1982
12/28/1982CA1138566A1 Video disc player
12/22/1982EP0067449A1 Disk recording and reproducing device
12/21/1982US4365258 Optical disc unit, fabrication method and cooperating write and/or read apparatus
12/15/1982EP0067073A1 Apparatus for storing information storage mediums into casings
12/08/1982EP0066317A1 Modular data storage system
12/07/1982US4363116 Method, apparatus and record carrier body for optically writing information
12/07/1982US4363056 Disk housing for disk drive mass storage unit
12/07/1982US4363044 Tray for magnetic disk drive machine
11/1982
11/25/1982WO1982004119A1 Improved optical disc unit, and cooperating record/playback apparatus
11/23/1982US4360907 Disc-shaped recording medium reproducing apparatus
11/23/1982US4360845 Case for a disc-shaped recording medium
11/23/1982CA1136271A1 Disk drive unit incorporating a field-replaceable fixed disk assembly
11/23/1982CA1136270A1 Recording disk cover and player apparatus for removing cover
11/17/1982EP0064731A1 Disc cartridge for a data storage apparatus
11/17/1982EP0064539A1 Time reversal imaging apparatus for displaying x-ray images or the like
11/16/1982CA1135849A1 Arrangement for centring, aligning and retaining a rotating record
11/10/1982EP0064390A1 Support for stabilizing the movement of a magnetic medium over a magnetic head
11/10/1982EP0064282A1 An apparatus for installing a disk
11/10/1982EP0064196A1 Optical data recording and reproducing apparatus
11/09/1982US4358843 Spindle for centering a data disk
11/09/1982US4358803 Arrangement for centering an information disc
11/09/1982US4358802 Fluid cushion turntable for video disc player
11/09/1982CA1135415A1 Record side identification apparatus for video disc player
11/09/1982CA1135414A1 Video disc player having unitary record handling platform construction
11/09/1982CA1135409A1 Disk file
11/09/1982CA1135408A1 Disk drive assembly
11/03/1982EP0063894A2 Apparatus for storing and retrieving data storage devices
11/03/1982EP0063607A1 Magnetic disk device
11/02/1982US4357698 Video disc player having caddy-actuated record receiving pads
10/1982
10/27/1982EP0063500A1 Magnetic disk cartridge
10/27/1982EP0063499A1 Magnetic disk drive having a movable drive motor
10/26/1982CA1134503A1 Method and apparatus for recording data without recording on defective areas of a data recording medium
10/20/1982EP0062923A2 Magnetic sound record/playback apparatus
10/19/1982US4355340 Disc pack with snap on handle
10/19/1982US4355339 Transducer carriage assembly
10/19/1982US4354603 Rigid magnetic disc stacker
10/05/1982US4353089 Apparatus for correcting the time base of information recovered from a movable information storage medium
10/05/1982CA1133128A1 Disk indicator and ejector
09/1982
09/30/1982WO1982003291A1 Device for retaining by suction a record on the turntable of a r ecord-player
09/29/1982EP0061215A1 Operating device for the magnetic head arrangement of a floppy disc drive