| 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) |
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| 02/05/1991 | US4991205 Personal identification system and method |
| 02/05/1991 | US4991043 Tape cassette loading system |
| 01/30/1991 | CN1048946A System for recording/reproducing signals on/from a magnetic tape in a cassette |
| 01/30/1991 | CN1011446B Optical-mechanical storage device |
| 01/16/1991 | EP0408298A2 Head gimbal flexure assembly |
| 01/16/1991 | EP0407398A1 Removable cartridge disc drive with radial arm voice coil actuator |
| 01/16/1991 | CN1048621A System for recording/reproducing signals on/from maguetic tape, and apparatus and cassette for use in the system |
| 01/15/1991 | US4985883 Apparatus for imparting sound and movement to an ornament |
| 01/10/1991 | CA2019318A1 Head gimbal flexure assembly |
| 01/09/1991 | EP0406950A1 Record player |
| 01/09/1991 | EP0406943A1 System for recording/reproducing signals on/from magnetic tape, and apparatus and cassette for use in the system |
| 01/08/1991 | US4984115 Rotary actuator and bearing support therefor |
| 01/08/1991 | US4984113 Information storage and reproduction apparatus and method employing a flexible belt record member |
| 01/08/1991 | US4984109 Reel support positioning device for a cassette tape recording and/or reproducing apparatus accommodating cassettes of different sizes |
| 01/04/1991 | CA2020214A1 Reversible cassette |
| 01/02/1991 | EP0405661A1 System for recording/reproducing signals on/from a magnetic tape in a cassette |
| 01/02/1991 | CN1048280A System for recording/reproducing signals on magnetic tape in cassettes |
| 01/01/1991 | US4982300 Restrictively damped actuator mount for disc drives |
| 01/01/1991 | US4982291 Electronic still video camera capable of searching desired picture in simple and quick manner |
| 12/27/1990 | WO1990016067A1 Video recorder |
| 12/26/1990 | CN1010993B Magnetic tape recording and/or reproducing apparatus with rotary head assembly |
| 12/26/1990 | CA2019655A1 System for recording/reproducing signals on/from a magnetic tape in a cassette |
| 12/25/1990 | US4980786 Method and apparatus for improved thermal isolation and stability of disk drives |
| 12/20/1990 | DE3919984A1 Videorecorder Video recorder |
| 12/19/1990 | EP0328556A4 Spherical pivoting actuator for read/record head |
| 12/18/1990 | USRE33497 Portable tape player with radio in lid |
| 12/13/1990 | DE3943332A1 Twin disc player using single drive motor and gearing - controlling position of playback device, movement of disc carriers and operation of shutter |
| 12/05/1990 | EP0400946A2 Head mounting structure for high capacity disk drive |
| 12/05/1990 | EP0400744A1 System for recording/reproducing signals on magnetic tape in cassettes |
| 12/05/1990 | CN1010718B Rotary magnetic head device |
| 12/04/1990 | US4974790 Tape rewinding device |
| 11/28/1990 | EP0399807A2 Cassette discriminating apparatus for magnetic recorders |
| 11/28/1990 | EP0399497A2 A magnetic recording/reproducing apparatus in which tape cassettes of different sizes can be mounted |
| 11/27/1990 | US4974105 Hand-held transducing device |
| 11/27/1990 | US4974104 Linear actuator disk file with symmetric housing |
| 11/27/1990 | US4974103 High density disc drive with magnetic clutch for use with a sealed removable cartridge |
| 11/22/1990 | EP0398317A2 Cassette loading device for loading tape cassette having different shapes and different dimensions to a tape driving position |
| 11/21/1990 | CN1047160A Hardware controlling method for "write enable" function of hard magnetic disk machine |
| 11/21/1990 | CN1010520B Imformation storage device |
| 11/20/1990 | US4972278 Tape cassette driving system compatible with two cassette types of different sizes |
| 11/20/1990 | CA1276719C Identification card coder-reader |
| 11/14/1990 | EP0397262A1 Disc-record player and loading device for use in the player |
| 11/14/1990 | CN1010438B Recorder for reproducing disc record with mutiple output tracks |
| 10/31/1990 | EP0395356A2 Tape tension servo-system for video tape recording and/or reproducing apparatus |
| 10/31/1990 | EP0395195A2 Placement of electrical components within a magnetic disk drive |
| 10/31/1990 | EP0395054A2 Reel table shifting device |
| 10/31/1990 | EP0394995A2 Information record/reproducing apparatus and information recording medium |
| 10/30/1990 | US4967297 Magnetic disk head positioning device |
| 10/30/1990 | US4967184 Computer disk with security protection |
| 10/25/1990 | WO1990013093A1 Improved magnetic disk drive apparatus and method |
| 10/25/1990 | CA2053264A1 Magnetic disk drive apparatus and method |
| 10/25/1990 | CA2015322A1 Tape tension servo-system for video tape recording and/or reproducing apparatus |
| 10/24/1990 | EP0393915A2 Magnetic disk drive with seal |
| 10/24/1990 | EP0393706A2 Rotary head drum for a video tape recorder |
| 10/24/1990 | EP0393647A2 Portable recording and/or reproducing apparatus |
| 10/24/1990 | CN1046409A Method of assembling disk file |
| 10/23/1990 | USRE33402 Protective carrying case for video cassette apparatus and method of enclosing thereof |
| 10/23/1990 | US4965691 Sealed removable cartridge for use with a high density disc drive with magnetic clutch |
| 10/23/1990 | US4965686 Disc drive assembly for magnetic disc memory unit |
| 10/23/1990 | US4965685 Removable cartridge disc drive with radial arm voice coil actuator |
| 10/23/1990 | US4965684 Low height disk drive |
| 10/23/1990 | US4965683 Cassette loading device for recording and/or reproducing apparatus |
| 10/21/1990 | CA2015011A1 Rotary head drum for a video tape recorder |
| 10/16/1990 | US4964001 Magnetic recording/reproducing apparatus for selective use with tape cassettes of two different sizes |
| 10/10/1990 | EP0391555A2 Disk drive including recirculating filter assembly |
| 10/10/1990 | EP0391465A1 Device having a standard-size loading aperture |
| 10/09/1990 | US4962301 Method of reciprocally recording data on card-like record medium for unidirectional reading |
| 10/04/1990 | DE4000425A1 Front cover device for automobile cassette or disc player - has pivoted inner cover and removable front cover providing operating controls |
| 09/26/1990 | EP0388452A1 Connectorless hermetic optical disk system |
| 09/25/1990 | US4959742 Rotary head mounting device |
| 09/20/1990 | WO1990010934A1 Method of assembling a disk file |
| 09/12/1990 | EP0387147A2 Head actuator for disc drive and storage system and method for its manufacture |
| 09/12/1990 | EP0386705A1 Optical card processing apparatus |
| 09/12/1990 | EP0260327B1 Optical memorization device |
| 09/07/1990 | WO1990010293A1 Disk centering method and apparatus for centering disks for disk drives |
| 08/30/1990 | DE3905841A1 Dictating machine |
| 08/29/1990 | EP0384762A2 Wet rigid disk drive assembly with a conical spindle bearing |
| 08/29/1990 | EP0384664A1 Cassette loading mechanism of a magnetic recording and reproducing apparatus |
| 08/29/1990 | CN1044999A Cassette loading mechanism of magnetic recording and reproducing apparatus |
| 08/29/1990 | CN1009412B Information recording and/or reproducing apparatus |
| 08/28/1990 | US4953045 Cassette tape player with door operating mechanism |
| 08/28/1990 | CA1273430A1 Device for reading and writing magnetic and/or ic card as external memory |
| 08/22/1990 | EP0383237A2 Recording/reproducing apparatus of optical card |
| 08/21/1990 | US4951277 Optical disk player |
| 08/21/1990 | US4950876 Optical card recording/reproducing apparatus with compensation for displacement deviation between data area of optical card and laser beam |
| 08/21/1990 | US4950521 Covering member for casing of fixed disc memory unit |
| 08/16/1990 | DE4001503A1 Front-loading reproducing appts. e.g. for tape recordings - has flap covering insertion slot and contg. operating unit for controls |
| 08/14/1990 | US4949203 Tape recorder having an improved cassette mounting device |
| 08/14/1990 | US4948182 Cover locking apparatus for a record medium player |
| 08/14/1990 | CA1272804A1 Apparatus for establishing data transfers with a portable electronic card |
| 08/08/1990 | EP0381408A1 Magnetic disk drive |
| 08/08/1990 | EP0381407A1 Magnetic disk drive |
| 08/08/1990 | EP0381368A2 Rigid disk drive with secured shaft |
| 08/07/1990 | US4947270 Video cassette rewind apparatus |
| 08/07/1990 | US4947029 Cleaning device for information recording medium |
| 08/01/1990 | EP0293493B1 Optical-mechanical memorizing device |
| 07/31/1990 | US4945435 Noninfluencing fastener for disk drives |
| 07/24/1990 | US4943878 Ultra-compact recorder |
| 07/24/1990 | US4943877 Fine head positioning system for a tape backup device |
| 07/18/1990 | EP0378282A2 Hard disk drive module and receptacle therefor |