| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
|---|
| 02/01/1983 | US4371899 Time base error correction system for player |
| 02/01/1983 | CA1140675A1 Video disc player |
| 01/25/1983 | US4370740 Rotary recording medium |
| 01/25/1983 | US4370679 Gain correction system for videodisc player apparatus |
| 01/14/1983 | EP0055759A4 Method for reducing the error of the angle of rake on a rotating disc for the transmission of information particularly acoustic signals and equipment for the implementation of such method, particularly pick-up arm. |
| 01/12/1983 | EP0069550A1 Method and apparatus for normalizing servo-positioning signals, particularly for transducers for recording tracks |
| 01/12/1983 | EP0069549A1 Method of positioning a transducer over a disc |
| 01/12/1983 | EP0069548A1 Data record with pre-recorded transducer positioning signals, and system for utilizing same |
| 01/12/1983 | EP0069547A1 Positioner apparatus for tape recorder heads |
| 01/12/1983 | EP0069546A2 Head arm and control system therefor |
| 01/11/1983 | CA1139442A1 System, method and record medium for reproducing pictures and related audio information |
| 01/05/1983 | EP0068124A1 Servo system for data storage apparatus |
| 12/28/1982 | US4366563 Video disc stylus suspension apparatus |
| 12/28/1982 | CA1138566A1 Video disc player |
| 12/22/1982 | EP0067317A1 Fluid bearing assembly |
| 12/15/1982 | EP0066590A1 Reading information stored in multiple frame format. |
| 12/14/1982 | US4364121 Pickup cartridge for video disc player |
| 12/08/1982 | EP0066331A1 Drum-shaped scanning apparatus |
| 12/07/1982 | US4363117 Video disc with dynamic stylus cleaning |
| 12/07/1982 | US4363046 Deflectable transducer head assembly |
| 12/01/1982 | EP0065628A1 Method and apparatus for compensating defectuous signals reproduced from a magnetic medium |
| 11/30/1982 | US4361883 Cartridge force and bias adjustment gage |
| 11/30/1982 | US4361849 Video disc vari-speed playback system |
| 11/30/1982 | CA1136763A1 Transient overshoot, undershoot and delay compensation circuit in systems comprising reactive filter networks |
| 11/23/1982 | US4360909 Signal pickup device in a rotary recording medium reproducing apparatus |
| 11/23/1982 | US4360824 Systems for recording both information and pilot signals directly on recording medium |
| 11/17/1982 | EP0064618A1 Arrangement for preventing misconnection between optical connectors |
| 11/16/1982 | US4359635 Tracking device |
| 11/10/1982 | EP0064438A1 Recording/reproducing device comprising a movable pregrooved record carrier |
| 11/10/1982 | EP0064395A1 Apparatus for reproducing an audio disc |
| 11/10/1982 | EP0064099A2 Signal separation in magnetic recording systems using buried servo records |
| 11/09/1982 | US4358841 Video disc player having stylus protecting apparatus |
| 11/09/1982 | US4358805 Playback and/or recording device for magnetic recording media, especially still photographs provided with a magnetizable coating |
| 11/09/1982 | US4358796 Spindle servo system for videodisc player |
| 11/09/1982 | CA1135409A1 Disk file |
| 11/03/1982 | EP0063936A1 Position control apparatus |
| 11/03/1982 | EP0063935A1 Method and apparatus for disk drive head positioning |
| 11/03/1982 | EP0063643A2 Arrangement of transducer head slider in magnetic disk file |
| 11/02/1982 | US4357566 Transducer system with velocity signal generation |
| 11/02/1982 | CA1134947A1 Method and apparatus for cancelling the remanent deflection in a piezoceramic head support means of a video recorder |
| 11/02/1982 | CA1134946A1 Device for positioning objects of low mass |
| 10/28/1982 | WO1982003720A1 Unit of rotating magnetic heads |
| 10/26/1982 | CA1134506A1 Magnetic head tracking control system |
| 10/19/1982 | US4355339 Transducer carriage assembly |
| 10/19/1982 | US4355273 Servo capture system |
| 10/19/1982 | CA1134032A1 Reversible cassette-type recording and/or reproducing apparatus |
| 10/13/1982 | EP0062454A2 Magnetic head apparatus for magnetic discs |
| 10/12/1982 | US4354208 Magnetic recording medium and digital storage device including same |
| 10/12/1982 | CA1133633A1 Track skipper apparatus for video disc player |
| 10/05/1982 | CA1133123A1 Sectorized data path following servo system |
| 09/29/1982 | EP0061215A1 Operating device for the magnetic head arrangement of a floppy disc drive |
| 09/28/1982 | US4352133 Magnetic disc memory |
| 09/28/1982 | US4352131 Memory disc addressing device |
| 09/22/1982 | EP0060358A1 Head support arm and head/arm assemblies for disk files |
| 09/22/1982 | EP0060341A1 Flexible band positioning device for a read/write head |
| 09/21/1982 | US4351046 Video disc player having carriage detent mechanism |
| 09/21/1982 | CA1132255A1 Dithered center tracking system |
| 09/21/1982 | CA1132252A1 Time optimal function generator for disk file magnetic recording head servo position control loop |
| 09/21/1982 | CA1132230A1 Device for the application of a control voltage across a piezo electric positioning element |
| 09/21/1982 | CA1132229A1 Device for controlling a piezo-electric positioning element |
| 09/15/1982 | EP0059945A1 Document processing device |
| 09/15/1982 | EP0059727A1 Head position system for a disc data store. |
| 09/14/1982 | US4349851 Magnetic head supporting mechanism for a magnetic disc apparatus |
| 09/14/1982 | CA1131775A1 Track skipper for video disc player |
| 08/24/1982 | US4346416 Rotary actuator assembly for disk drive head positioner |
| 08/24/1982 | US4346413 Magnetic head positioning servo arrangement for a system for recording/reproducing information on a magnetic recording medium, particularly on a flexible magnetic recording medium |
| 08/24/1982 | CA1130456A1 Information signal recording system |
| 08/17/1982 | CA1130000A1 Releasable carriage drive unit for an optical disc player |
| 08/17/1982 | CA1129992A2 Method of controlling the position of a write or read head and a device for carrying out the method |
| 08/11/1982 | EP0057178A1 A method for recording track marking information on flexible magnetical information carrier discs and apparatus for fine adjustment of the position of a reading head. |
| 08/10/1982 | US4344165 Method and system for a disc player tracking servo |
| 08/03/1982 | US4343025 Transducer arm assembly for floppy disk |
| 08/03/1982 | US4342394 Removable protective cover for a video disc stylus cartridge |
| 08/03/1982 | CA1129092A1 Articulated head arm |
| 08/03/1982 | CA1129091A1 Magnetic head slider assembly |
| 07/28/1982 | EP0056712A2 Information read apparatus with tracking control system |
| 07/27/1982 | US4342109 Carriage alignment apparatus for video disc player |
| 07/27/1982 | US4342108 Variable speed tone arm control system |
| 07/27/1982 | US4341472 Method and apparatus for positioning a tapered body |
| 07/20/1982 | US4340956 Minimum tracking force stylus |
| 07/20/1982 | US4340949 Processor controlled video disc servo system |
| 07/20/1982 | US4340919 Head adjustment mechanism |
| 07/20/1982 | US4340907 Special reproducing system in an apparatus for reproducing video signals from a rotary recording medium |
| 07/20/1982 | US4340305 Plate aligning |
| 07/20/1982 | CA1128200A2 Video signal reproducing system |
| 07/14/1982 | EP0055759A1 Method for reducing the error of the angle of rake on a rotating disc for the transmission of information particularly acoustic signals and equipment for the implementation of such method, particularly pick-up arm |
| 07/13/1982 | CA1127755A1 Emergency head unload system for magnetic disk drive |
| 07/13/1982 | CA1127549A1 Automatic record playing apparatus |
| 07/07/1982 | EP0055568A1 Read-write head thermal compensation system |
| 07/06/1982 | US4338682 Tracking servo system of video disc player |
| 07/06/1982 | US4338629 Process and apparatus for coding binary signals for numbering images or pictures stored on a recording medium for stop mode reproduction |
| 06/29/1982 | US4337538 Drive assembly for a video recorder-playback machine |
| 06/29/1982 | US4337536 Flylead for a video disc stylus cartridge |
| 06/24/1982 | WO1982002105A1 Reading information stored in multiple frame format |
| 06/22/1982 | CA1126400A1 Method of controlling the position of a write or read head and a device for carrying out the method |
| 06/15/1982 | US4335408 Digital tracking system |
| 06/10/1982 | EP0046793A4 Information storage apparatus. |
| 06/01/1982 | US4333117 Disc head arm position controller using digital velocity sensing |
| 06/01/1982 | CA1124861A1 Velocity control apparatus for disk drive |
| 06/01/1982 | CA1124853A1 Auto-tracking control system for use in apparatus for reproducing a video signal recorded in successive parallel tracks on a recording medium |