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)
08/1991
08/06/1991US5038240 Thin apparatus for etched on apparatus body recording medium with wiring pattern
08/06/1991US5038239 Integrated electronic card-frame assembly for a rigid disk drive
07/1991
07/31/1991EP0439309A2 Apparatus for reproducing and amplifying sound
07/31/1991CN1013418B Record disc replacing means for selective playing type sound reproducing
07/25/1991WO1991011004A1 Disk file including means for ensuring disk/hub concentricity
07/25/1991WO1991010995A1 Shaft mounting for a disk file
07/23/1991US5034943 Information storage device
07/23/1991US5034842 Carrier with thumb wind advance for videocassette
07/23/1991US5034835 Disk drive having air filtration system
07/23/1991US5034832 Adaptor for a small-sized tape cassette
07/23/1991US5034831 Magnetic recording and reproducing apparatus having cassette discriminating means
07/17/1991EP0437091A2 Disc player
07/16/1991US5032939 Tape cassette loading system compatible with two different sized cassettes
07/16/1991US5031851 Driving device for video cassette rewinder
07/10/1991CN1052931A Method and means for balancing rotors
07/10/1991CN1013157B Linear read write device and magnetic disk apparatus
07/09/1991US5031061 Disk drive hub assembly
07/09/1991US5031059 Rotating disk storage device with cooling gas flow control
07/03/1991EP0435267A2 Cassette loading apparatus
07/03/1991CN1052743A System for recording/reproducing signals on/from magnetic tape in cassettes
07/02/1991US5029033 Tape recorder with a reduced thickness
07/02/1991US5029027 Thermally predictable disk drive mechanism
07/02/1991US5028829 Compact motor mount for cassette drive
06/1991
06/26/1991EP0434270A2 Balancing method and means for rotary units
06/26/1991EP0434143A2 Arrangement comprising a magnetic tape cassette apparatus with a drive unit and a load mechanism for magnetic tape cassettes, and a magnetic tape cassette
06/26/1991EP0434134A1 System for recording/reproducing signals on/from magnetic tape in cassettes
06/25/1991US5027248 Magnetic recording and reproducing apparatus with a tape guide
06/25/1991US5027242 Magnetic disk apparatus having at least six magnetic disks
06/19/1991EP0305480A4 In-spindle motor assembly for disk drive and method for fabricating the same
06/19/1991CA2032364A1 System for recording/reproducing signals on/from magnetic tape in cassettes
06/18/1991US5025440 Dual side disc player having a pickup reversing mechanism
06/18/1991US5025337 Recirculating air filter system for rotating disk drives
06/18/1991US5025336 Disk drive apparatus
06/18/1991US5025335 Architecture for 21/2 inch diameter single disk drive
06/18/1991US5025334 Auto-loading transport for tape cartridge with tape access door and belt capstan roller
06/18/1991US5025332 Recording-reproducing system having movable reel chassis
06/18/1991US5025331 Tape casette loading system compatible with two different sized cassettes
06/18/1991CA1285066C Recording and reproducing apparatus
06/12/1991EP0432145A2 Magnetic disc device
06/12/1991EP0431966A2 Cassette loading device for video cassette recorder
06/05/1991CN1012766B Optical memory
06/04/1991US5021908 Magnetic head component mounting system
06/04/1991US5021905 Disk drive enclosure for minimizing stresses and a vibration damping seal therefor
05/1991
05/29/1991EP0429194A2 A mechanically compliant mount in a disk stack assembly
05/29/1991EP0198093B1 Portable floppy disc auxiliary storage device
05/22/1991EP0428291A2 Vibration damping disk drive seal
05/22/1991EP0428290A2 Thermally predictable disk drive mechanism
05/22/1991EP0427926A2 Disk drive having an electrically isolated disk stack
05/21/1991US5018032 Audio reproduction device with head base moving mechanism
05/21/1991US5018030 Cassette loading mechanism of a magnetic recording and reproducing apparatus
05/21/1991US5016834 Adaptor for a small-sized tape cassette
05/21/1991CA1284377C Modular structural disc drive assembly
05/16/1991WO1991006954A1 Recorder with a winding and tape drive
05/16/1991WO1991006953A1 Entertainment apparatus
05/15/1991EP0427490A2 Disk drive apparatus
05/14/1991US5016127 Mechanism for transporting and receiving large and small tape cassettes
05/14/1991CA2021357A1 Mechanically compliant mount in a disk stack assembly
05/08/1991EP0426414A2 Computer system capable of permitting replaceable connection of external storage device
05/08/1991EP0426132A2 Improved retaining clamp for a disc storage apparatus
05/08/1991DE3937028A1 Electrical bell with memory and playback facility - uses endless loop cassette with microphone to provide variety signals
05/08/1991CN1051260A Recorder with winding and tape drive
05/08/1991CN1012598B Hardware controlling method for"write enable" function of hard magnetic disk machine
05/07/1991US5014141 Low profile, high-capacity streaming tape drive
05/02/1991EP0424443A1 Device for making time-independent a tape recording device and a tape reading device.
05/02/1991DE3935631A1 Recorder mit einem wickel- und bandantrieb Recorder with a winding and tape drive
05/01/1991CN1051103A Magnetic disk storage apparatus
04/1991
04/30/1991US5012365 Magnetic disc filter apparatus
04/30/1991US5012364 Tape-loading mechanism for a magnetic recording/reproducing apparatus for selective use of tape cassettes of two different sizes
04/30/1991US5012359 Magnetic disk apparatus
04/30/1991CA1283733C Direct access storage unit
04/23/1991US5010426 Installation mechanism for removable computer drive module
04/18/1991WO1991005334A1 Disc drive with spindle motor rotor configuration in a removable disc cartridge
04/17/1991EP0363419A4 Latch mechanism for disk drives
04/16/1991US5008573 Magnetic disk enclosure with detachable stator
04/16/1991US5008552 Data recording and reproducing apparatus for an optical card
04/11/1991CA2027197A1 Magnetic read and write head assembly
04/09/1991US5006943 Disk storage drive
04/02/1991CA1282492C Disk file with in-hub motor
03/1991
03/27/1991EP0419022A2 Disk storage apparatus
03/20/1991EP0417110A1 Method of assembling a disk file.
03/19/1991US5001691 High density optical storage device
03/19/1991US5001667 Optical storage device
03/19/1991US5001581 Disk storage drive
03/12/1991US4999724 Disk drive having an electrically isolated disk stack
03/12/1991US4998686 Mechanical structure for video tape rewinder
03/06/1991EP0415492A2 Recording and/or reproducing apparatus
03/06/1991CN1011925B Recording and reproducing apparatus
02/1991
02/27/1991EP0414544A2 Carrier with external interlock for videocassette
02/27/1991EP0414543A2 Carrier with thumb wind tape advance for videocassette
02/25/1991CA2020383A1 Carrier with external interlock for videocassette
02/25/1991CA2020376A1 Carrier with thumb wind advance for videocassette
02/21/1991WO1991002349A1 Architecture for 2-1/2 inch diameter single disk drive
02/20/1991EP0412993A1 Tape drive machines.
02/19/1991US4995025 Spherical pivoting actuator for read/record head
02/19/1991US4994929 Automatic video tape converting device
02/13/1991EP0412462A2 Audio/video apparatus with foldable flat screen
02/12/1991US4992902 Cassette device for demagnetizing the magnetic head in a cassette-type recorder
02/12/1991US4992894 Cassette loading mechanism
02/06/1991EP0293494B1 Memorizing device with moving information carriers
02/05/1991US4991211 Integrated driving system for signal-processing devices
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