| Patents for G11B 19 - Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function (26,229) |
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| 10/26/1988 | EP0287768A2 Improved air flow system in a data recording disk file |
| 10/26/1988 | EP0287593A1 Substituting soundtrack. |
| 10/25/1988 | US4780777 Hermetically sealed, two-sided bearing structure for a magnetic disk memory |
| 10/25/1988 | US4780776 Air flow system in a data recording disk file |
| 10/25/1988 | US4780773 Motor control circuit with current limiter and bypass switch |
| 10/25/1988 | US4780772 Apparatus for reproducing digital signals from a digital audio recording medium |
| 10/25/1988 | US4780771 High density signal recording and reproducing apparatus |
| 10/20/1988 | WO1988008191A1 Laser reproduction apparatus |
| 10/19/1988 | EP0286770A2 Device for automatically centering discs with different diameters on the loading means of a disc player |
| 10/18/1988 | US4779260 Recording or reproducing device |
| 10/18/1988 | US4779258 Recording medium driving device |
| 10/18/1988 | US4779165 Disk storage drive |
| 10/18/1988 | US4779146 Apparatus for and method of writing/reading data into/from a flexible disk |
| 10/18/1988 | US4779080 Electronic information display systems |
| 10/18/1988 | US4779032 Drive device |
| 10/18/1988 | US4778991 Light beam scanning read-out apparatus and recording apparatus |
| 10/12/1988 | EP0286297A1 Information recording method and apparatus |
| 10/12/1988 | EP0286179A1 Apparatus for reading record carriers having substantially concentric or spiral tracks |
| 10/12/1988 | EP0286126A2 Information recording method and apparatus using reversible phase change |
| 10/12/1988 | EP0285866A2 Disc memory device |
| 10/11/1988 | US4777545 Circuit arrangement for inhibiting writing on a magnetic disk during the settling time of a transducer head |
| 10/05/1988 | EP0284797A1 Compact magnetic fluid low pressure seal assembly |
| 10/04/1988 | US4775906 Spindle bearing assembly for a magnetic disk drive |
| 10/04/1988 | US4775811 Phase comparator |
| 10/04/1988 | US4775785 Processing apparatus for a portable storage medium |
| 09/29/1988 | DE3805075A1 Sealing device for components rotating in rolling-contact bearings |
| 09/28/1988 | EP0284443A2 Optical disc drive systems |
| 09/28/1988 | EP0284273A1 Method of writing data on optical card |
| 09/28/1988 | EP0284028A2 Disc drive and cartridge arrangement |
| 09/27/1988 | US4774699 Method and apparatus for positioning a read head to a selected track on a record disc |
| 09/22/1988 | WO1988007254A1 Disk recording/reproducing apparatus and disk recording/reproducing method |
| 09/21/1988 | CN88101318A Structure of flat type brushless dc motor |
| 09/20/1988 | US4773057 Apparatus for reproducing selectively loaded discs of different diameters |
| 09/20/1988 | US4773052 Dual mode disk player/recorder |
| 09/20/1988 | US4773036 Diskette drive and media type determination |
| 09/20/1988 | US4772965 Cassette loading mechanism for a recording and/or reproducing apparatus |
| 09/20/1988 | US4772962 Still image recording and/or reproducing apparatus |
| 09/20/1988 | US4772032 Compact magnetic fluid low pressure seal |
| 09/14/1988 | EP0282036A1 Apparatus for recording data into optical recording medium |
| 09/13/1988 | US4771354 Write-protect clip |
| 09/07/1988 | WO1988006789A1 Crash-prevention for disk drive positioning system |
| 09/07/1988 | WO1988006786A1 Winchester disk drive system |
| 09/07/1988 | WO1988006781A1 In-spindle motor assembly for disk drive and method for fabricating the same |
| 09/06/1988 | US4769802 Information recording medium disc and method and apparatus for recording/reproducing information using the disc |
| 09/06/1988 | US4769724 Magnetic head drive apparatus which uses a common current source for the read/write head and the erasing head |
| 09/06/1988 | US4769597 Apparatus for generating index signals, for use in magnetic recording/reproducing apparatuses |
| 08/31/1988 | EP0280425A2 Disk player having continuous audio in fast and slow reproduction modes |
| 08/31/1988 | EP0279912A2 Multiple copy data mechanism on synchronous disk drives |
| 08/30/1988 | US4768116 Device for automatically changing magnetic disc pack |
| 08/25/1988 | WO1988006338A1 Optical disk |
| 08/25/1988 | WO1988006335A1 Data recording/reproducing apparatus for optical card |
| 08/24/1988 | EP0279540A2 Method for formatting a disc, method for reading and writing on a disc thus formatted, disc drive with a disc thus formatted and disc thus formatted |
| 08/23/1988 | US4766586 Disc-record player |
| 08/23/1988 | US4766580 For use in an automobile |
| 08/23/1988 | US4766502 Information signal recording apparatus |
| 08/17/1988 | CN85107244B Power-supply control device for magnetic disc drive |
| 08/16/1988 | US4764831 Apparatus and method for retaining a head arm of a disk drive assembly |
| 08/10/1988 | EP0277276A1 Card with built-in record/playback capability |
| 08/10/1988 | CN87209241U Automatic broadcast-controller of <vhs> video system |
| 08/09/1988 | US4763053 Electronically commutated DC machine and use thereof |
| 08/09/1988 | CA1240392A1 Compact disc player |
| 08/09/1988 | CA1240391A1 Disc loading and unloading apparatus for use in a disc player |
| 08/03/1988 | EP0277019A2 Disk playing method and device |
| 08/03/1988 | EP0276744A2 Synchronous rotation control system of magnetically recording disk |
| 08/02/1988 | US4761776 Device for determining a centring error of an optical disc relative to the axis of rotation of a turntable supporting the disc |
| 08/02/1988 | US4761692 Method and apparatus for data recording disc playback |
| 07/27/1988 | EP0275972A1 Disk recording device |
| 07/27/1988 | EP0275916A1 Housing for magnetic disk device |
| 07/27/1988 | EP0275600A1 Disc-record player suitable for scanning discs of different types |
| 07/26/1988 | US4760566 Method of controlling write operation for rotating type recording medium |
| 07/26/1988 | US4760476 Drive mechanism for a magnetic disk reading head |
| 07/26/1988 | US4760473 Write protect switch device |
| 07/26/1988 | US4760298 Magnetic disk motor having a cup-shaped rotor |
| 07/19/1988 | US4759008 Loading mechanism for disk player |
| 07/19/1988 | US4759006 Abnormal track skipping detection and control arrangement |
| 07/19/1988 | US4758914 System for protecting newly installed disk units |
| 07/19/1988 | US4758908 Method and apparatus for substituting a higher quality audio soundtrack for a lesser quality audio soundtrack during reproduction of the lesser quality audio soundtrack and a corresponding visual picture |
| 07/19/1988 | US4758905 Image pickup apparatus with a rotary shutter |
| 07/19/1988 | CA1239475A1 Skew detection system for optically read data |
| 07/14/1988 | WO1988005142A1 Magnetic fluid sealing device |
| 07/13/1988 | EP0274214A1 A method of controlling the rotational velocity of an information recording disk |
| 07/12/1988 | US4757491 Sound generating toy |
| 07/12/1988 | US4757489 Rotation control apparatus for controlling rotation frequency of an information recording disc which is to be rotated at a constant linear velocity |
| 07/12/1988 | US4757488 Rotation control apparatus for constant linear velocity system information recording disc |
| 07/12/1988 | US4757407 Protective tab for floppy disks |
| 07/12/1988 | US4757406 High capacity disk drive |
| 07/07/1988 | DE3744340A1 Plattenlaufwerk Disk drive |
| 07/06/1988 | EP0273250A1 A method of recording on a magnetic record member and a magnetic recorder |
| 07/06/1988 | EP0114186B1 Method for checking disk identity in a flexible disk recorder |
| 07/05/1988 | USRE32709 Tracking system for video disc player |
| 07/05/1988 | US4755980 Optical disk and recording/reproducing device for optical disk |
| 07/05/1988 | US4755979 Disc reproducing system for compensating mechanical imperfections |
| 07/05/1988 | US4755883 Removable information inputting device for an electronic recording apparatus |
| 07/05/1988 | US4755709 Electric machine having magnetic bearing means |
| 07/04/1988 | WO1988005202A1 Optical disc discriminating device |
| 06/30/1988 | WO1988004803A1 Disk cartridge and semiconductor cartridge memory |
| 06/28/1988 | US4754460 Drive circuit for semiconductor laser of opto-electric recording/playback apparatus |
| 06/28/1988 | US4754447 Multidisk spindle |
| 06/28/1988 | US4754445 Optical disc auto-changer |
| 06/22/1988 | EP0271869A1 Electronic still camera |