Patents
Patents for G11B 17 - Guiding record carriers not specifically of filamentary or web form, or of supports therefor (20,090)
12/1987
12/15/1987US4713705 Means and methods for improved transducing of flexible disk packs
12/15/1987US4713704 Disk storage spindle arrangement
12/08/1987CA1230179A1 Optical disc cartridge
12/03/1987WO1987007423A1 Multiple disc changer apparatus
12/02/1987EP0247872A2 Magnetic head assembly for a flexible magnetic disk drive unit
12/02/1987EP0247810A2 Optical turnable system
12/02/1987EP0247219A1 Direct access storage unit
12/01/1987US4710912 Air cushion-optical data read head
12/01/1987US4710910 Safe loading-unloading system for tray in compact disc player
12/01/1987US4710837 Magnetic head device including magnetic media biasing and positioning means
12/01/1987US4710836 Magnetic head
12/01/1987US4710833 Floppy disk r/w head assembly
12/01/1987US4710831 Loading and unloading system for flexible disc drive apparatus
12/01/1987US4710829 Disk loading mechanism for recording and reproducing apparatus
11/1987
11/24/1987US4709285 Head assemblies mounted for optimum contact with a flexible magnetic disk
11/24/1987US4709283 Recording disk centering and clamping apparatus
11/24/1987US4709282 Device for loading or unloading magnetic disc pack
11/24/1987US4709281 Data transfer apparatus for use with a magnetic disk cartridge
11/19/1987EP0245507A1 Recording/regenerative apparatus for disc cartridge
11/17/1987US4707821 Disc holder for a rigid audio and/or video disc
11/17/1987US4707819 Disc driving device
11/17/1987US4707752 Spacer means on floppy disks and associated techniques
11/17/1987US4707751 Supporting device of a shaft drive of a magnetic record and reproduction device
11/17/1987US4707750 Automatic sequencer for a flexible disk loader/copier
11/17/1987CA1229409A1 Flexible disk drive optimized for automated manufacture
11/12/1987DE3715602A1 Disc drive
11/11/1987EP0244681A2 Diagram disc transporting device
11/11/1987CN87102999A Simplified sound reproducing device capable of carrying and reproducing a plurality of record discs
11/10/1987US4706237 Disc player with strobe light illumination
11/10/1987US4706233 Control system for record changer apparatus
11/10/1987US4706146 Magnetic head with concave contact face
11/10/1987US4706133 Method and apparatus for recovering information from a videodisc
11/10/1987US4705279 Device for clamping a flexible disk
11/05/1987WO1987006756A1 Video still player with a buffered data input channel
10/1987
10/28/1987EP0243337A2 Top loading record changer apparatus
10/27/1987US4703374 Magnetic disk memory having a disk pack seated at both sides in resiliently-designed housing
10/27/1987US4703373 Device for loading or unloading magnetic disc pack
10/22/1987WO1987006215A1 Flexible member mounting assembly
10/21/1987EP0241944A2 Large capacity information storage apparatus using a plurality of magnetic disk unit
10/20/1987US4701902 Automatic loading disc player
10/20/1987US4701901 Disc player
10/20/1987US4701900 Disc players fitted for automatic change of discs
10/20/1987US4701899 Swinging record changer
10/20/1987US4701896 Interactive plural head laser disc system
10/20/1987US4701813 Method of protecting a magnetic recording medium in a magnetic recording/playback system and apparatus therefor
10/14/1987EP0240926A2 Disk player
10/13/1987US4700338 Automatic loading disc player
10/13/1987US4700249 Magnetic transducer head capable of proper data transfer contact with a flexible magnetic disk without fine adjustment
10/13/1987US4700247 Loading/ejecting apparatus for floppy disc
10/13/1987US4700245 Drive pin for a data transfer apparatus with a disklike record medium
10/13/1987CA1228031A1 Disc-record player comprising a pressure member for pressing a record disc against the turntable
10/13/1987CA1228030A1 Disc-record player comprising a disc-loading mechanism and disc holder for use in such a player
10/07/1987EP0240237A2 Disc clamping device
10/07/1987EP0239616A1 Apparatus including a mechanism housing and a protective cover therefor.
10/06/1987US4698796 Disk recording and/or reproducing apparatus with compensation for extraneous force during track jump
10/06/1987US4698707 Protective cover for housing for data processing mechanism
10/06/1987CA1227869A1 Track jump control circuit for disk apparatus
09/1987
09/29/1987US4697259 Disc automatically setting device of a disc player
09/29/1987US4697216 Disk drive apparatus with automatic centering arrangement
09/29/1987CA1227568A1 Torsional actuator for loading and unloading flexible disk drive
09/23/1987EP0237570A1 Laser recording and storage medium
09/22/1987US4695996 Automatic loading disc player
09/22/1987US4695995 Front loading disk player with improved disk sensor positioning
09/22/1987US4695990 Autochanger type disc player
09/22/1987CA1227281A1 Disc player
09/22/1987CA1227142A1 Rotary drive apparatus for a disk
09/15/1987US4694448 Disc case
09/15/1987US4694446 Simplified sound reproducing device of random selecting type
09/15/1987US4694445 Record disc replacing means for a selective playing type sound reproducing device
09/15/1987US4694444 Record disc replacing means
09/15/1987US4694442 Disc reader with obliquity correction
09/15/1987US4694365 Recording medium for recording and/or reproducing apparatus
09/15/1987US4694364 Integral door and magnetic sheet pack holder for use in a magnetic recording/reproducing apparatus
09/15/1987US4694363 Magnetic disc coupling mechanism for disc drive unit
09/15/1987US4694362 Device for loading or unloading magnetic disc pack
09/15/1987US4694361 Data transfer apparatus having a simplified clamp mechanism for holding a disklike record medium in place
09/15/1987US4693659 Diskette transport
09/08/1987US4692916 Disc-record player comprising a disc-loading mechanism and disc-holder for use in such a player
09/08/1987US4692827 Divided housing for a magnetic disk drive comprising a peripheral sealing ring
09/01/1987US4691311 Disc reading apparatus with disc shoot journaled in frame
09/01/1987US4691309 Magazine for discs in holders, and combination of a disc-player with such a magazine
09/01/1987US4691257 Dust protection apparatus for a magnetic disc drive
08/1987
08/27/1987DE3705535A1 Storage disc operating unit
08/25/1987US4689782 Recording disk centering and clamping apparatus
08/25/1987US4689704 Pressure device for at least one electromagnetic transducer head
08/19/1987EP0232340A1 Device for securing compact discs on vertical playback decks.
08/18/1987US4688206 Device for opening and closing a shutter member of a disk cartridge
08/18/1987US4688131 Information processing apparatus having locking means permitting ready detachment of the magnetic disk drive assembly
08/18/1987US4688125 Arrangement of push-button controlled floppy disc device
08/18/1987US4688124 Automated floppy disk drive loader
08/18/1987US4688123 Cartridge handling device and method
08/18/1987US4687536 Apparatus for centering and attaching a reinforcing ring to a floppy disk
08/18/1987CA1225741A1 Two stage colleting in a flexible disk drive
08/12/1987EP0231351A1 Dual stripe optical data card
08/11/1987US4686665 Mode switching device in a disc playback device
08/11/1987US4686594 Cartridge type floppy disk drive
08/11/1987US4686593 Overriding loading door for a magnetic recording/reproducing apparatus
08/11/1987CA1225460A1 Disc holder for a rigid optically readable disc
08/05/1987EP0231009A2 Optical recording medium
08/05/1987EP0230963A2 Information processing apparatus