| 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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| 04/12/1984 | WO1984001462A1 A mechanism for clamping and spinning a flexible disk |
| 04/10/1984 | US4442516 Drive mechanism for disc player with bearing supported slider |
| 04/04/1984 | EP0104941A2 Data storage devices |
| 03/28/1984 | EP0104023A2 Synthetic control track signal producing apparatus and method for video tape machines |
| 03/27/1984 | US4439851 Turntable lifting apparatus of a video disc player |
| 03/27/1984 | US4439849 Rotational speed controlling apparatus for recording disc |
| 03/27/1984 | US4438542 Disk storage drive |
| 03/27/1984 | CA1164581A1 Time reversal imaging apparatus for displaying x-ray images or the like |
| 03/21/1984 | EP0103028A1 Speed control circuit for motor |
| 03/20/1984 | US4438510 Disk player system having a disk sucking function |
| 03/06/1984 | US4435800 Automatic record player |
| 03/06/1984 | CA1163204A1 Reproducing apparatus for records provided with information |
| 02/28/1984 | US4434484 Stabilizer for record discs |
| 02/28/1984 | US4433582 Damping device for use with acoustic information generation machines |
| 02/21/1984 | US4433347 Apparatus for automatically reproducing signals in accordance with a mode of the recorded signals |
| 02/21/1984 | CA1162644A1 Erroneous erasure preventing apparatus |
| 02/21/1984 | CA1162488A1 Record playing apparatus |
| 02/21/1984 | CA1162487A1 Record player program selector |
| 02/21/1984 | CA1162486A1 Record changer |
| 02/21/1984 | CA1162485A1 Automatic eject apparatus for a self-contained record player |
| 02/14/1984 | US4432086 Turntable apparatus for video disc player |
| 02/07/1984 | US4430675 Still picture recording and reproducing system |
| 02/07/1984 | CA1161954A1 Variable pitch grooved label for video disc |
| 02/07/1984 | CA1161953A1 Grooved label for video disc |
| 01/31/1984 | US4429335 Rotary recording medium reproducing apparatus capable of performing special reproduction |
| 01/31/1984 | CA1161553A1 Indicator device for cassettes loaded with magnetic information carrier |
| 01/24/1984 | US4428005 Mode selecting device for a video signal reproducing apparatus |
| 01/18/1984 | EP0098349A2 Frequency detecting circuit for digital information reproducing system |
| 01/17/1984 | US4426695 Disc reproducing apparatus |
| 01/10/1984 | US4425646 Input data synchronizing circuit |
| 01/10/1984 | US4425638 Dual turntable record player with torque cancellation |
| 01/10/1984 | US4425583 Video disc player having time base variations eliminated in both audio and video signals |
| 01/03/1984 | US4424539 Magnetic disk-control track read through envelope |
| 12/27/1983 | US4423503 Magnetically recordable label for mechanically-defined information bearing discs |
| 12/27/1983 | US4423499 Pickup adjusting equipment |
| 12/27/1983 | US4423498 Control apparatus for a recording medium drive motor in a digital information reproducing apparatus |
| 12/27/1983 | CA1159558A1 Apparatus for detecting position of a reproducing transducer in a rotary recording medium reproducing apparatus |
| 12/27/1983 | CA1159551A1 Method and apparatus for selectively receiving and/or recording a broadcast of an audio and/or video program |
| 12/21/1983 | EP0096465A1 Disk copier machine having a selectable format computer disk controller and method of copying computer disks |
| 12/21/1983 | EP0096295A2 Erroneous pulse sequence detector |
| 12/21/1983 | EP0096164A2 Pulse-width modulation circuit |
| 12/21/1983 | EP0096162A1 Motor control circuit of data reproduction apparatus |
| 12/20/1983 | US4422170 Turntable apparatus |
| 12/20/1983 | US4422110 Method and apparatus for multi-track data translation on a disc |
| 12/13/1983 | US4420715 Apparatus for controlling motor speed |
| 12/08/1983 | WO1983004329A1 Optical disc reproducer |
| 12/07/1983 | EP0095766A1 Servo circuit for a signal reproducing apparatus |
| 12/06/1983 | US4419710 Case for a disc-shaped recording medium |
| 12/06/1983 | US4419701 Data transducer position control system for rotating disk data storage equipment |
| 12/06/1983 | CA1192660B Means for compatibly reproducing video discs recorded according to different broadcast standards |
| 12/06/1983 | CA1158358A1 Means for compatibly reproducing video discs recorded according to different broadcast standards |
| 11/29/1983 | US4418365 Video disc transducer system |
| 11/29/1983 | CA1157946A1 Optically readable digital information disc and manufacturing recording and reproducing apparatus therefore |
| 11/23/1983 | EP0094492A2 Multi-mode drive motor speed control for use in particular with information storage disks |
| 11/22/1983 | US4417332 Turntable speed control |
| 11/22/1983 | US4417288 Broke for magnetic disc drive apparatus |
| 11/15/1983 | US4416006 Record disc playing apparatus having the function for correcting rotational irregularities due to record disc eccentricity |
| 11/15/1983 | US4416003 Both side record player |
| 11/09/1983 | EP0093427A1 Optical information processor |
| 11/08/1983 | US4414590 Media interchange switch for magnetic disk drives |
| 11/01/1983 | US4413299 State indicating device in a rotary recording medium reproducing apparatus |
| 10/25/1983 | US4412321 Record changer |
| 10/25/1983 | US4412260 Cartridge receiver mechanism |
| 10/18/1983 | US4410977 Turntable for record players |
| 10/18/1983 | US4410971 Front loading record player |
| 10/18/1983 | US4410968 Method and apparatus for recording on a disk supported deformable metallic film |
| 10/11/1983 | CA1155066A2 Suspension system for turntable |
| 10/04/1983 | US4408310 Simplified sound reproducing device driven by a spring motor |
| 10/04/1983 | CA1154688A2 Dictate station identifier |
| 09/29/1983 | WO1983003325A1 Speed control circuit for motor |
| 09/27/1983 | US4406629 Cards for spelling readout |
| 09/27/1983 | CA1154531A1 Record side identification apparatus for video disc player |
| 09/21/1983 | EP0089021A2 Overlay recording prevention device for optical disc apparatus |
| 09/21/1983 | EP0089020A2 Data processing apparatus with means for recording data by moving a head to a plurality of tracks |
| 09/20/1983 | CA1154156A1 Nested loop video disc servo system |
| 09/13/1983 | US4404668 Sound reproducing device |
| 09/13/1983 | US4404667 Sound reproducing device driven by a constant torque pull string type spring and started by selective starter rods for playing multiple record grooves |
| 09/06/1983 | US4403259 Apparatus for reading information from an information recording disc |
| 09/06/1983 | US4402405 Pictorial phonorecord mat |
| 08/24/1983 | EP0086659A2 Apparatus for recording and reproducing a digital signal |
| 08/23/1983 | US4400753 Universal magnetic recording disk cartridge |
| 08/23/1983 | CA1152632A1 Digital process for controlling the correct reproduction of a composite television signal and a device for implementing said process |
| 08/18/1983 | WO1983002839A1 Automated instruction, game and data retrieval system |
| 08/16/1983 | US4399528 Automatic eject apparatus for a self-contained record player |
| 08/09/1983 | US4398278 Record player program selector |
| 08/09/1983 | US4398223 System for recording video information on a record card |
| 08/09/1983 | CA1151768A1 Apparatus for reproducing disc record |
| 08/02/1983 | US4397015 Apparatus for moving a tone arm |
| 08/02/1983 | US4397011 Apparatus for reproducing disc record |
| 07/13/1983 | EP0083475A1 Optical data recording and reproducing apparatus |
| 07/12/1983 | US4393421 Rapid stepping of a moving recorded medium |
| 07/12/1983 | CA1149946A1 Disc-shaped recording medium reproducing apparatus |
| 07/12/1983 | CA1149944A1 Case for a disc-shaped recording medium |
| 07/05/1983 | US4392218 Apparatus for identifying a dictate station by providing an automatically generated sequence of signals and a manually entered sequence of signals |
| 06/29/1983 | EP0082390A2 Method for detecting excentricity in a video disc and in a video disc player |
| 06/29/1983 | EP0082337A2 Assembly including a flexible disk and a diskdrive therefor |
| 06/28/1983 | US4390977 Apparatus for maintaining rotational speed in disk reproducing device |
| 06/22/1983 | EP0081757A1 Circuit for extracting or regenerating frame synchronizing signals |
| 06/21/1983 | US4389718 Phonograph decoupling apparatus and method |
| 06/15/1983 | EP0081001A1 Record player |