| Patents for G11B 3 - Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (2,921) |
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| 12/16/1986 | US4629604 For generation of odors by volatilization of liquids |
| 12/09/1986 | US4628500 Air bearing straight line tracking phonograph tonearm |
| 12/02/1986 | CA1214869A1 Apparatus for reproducing recorded data |
| 11/11/1986 | US4622658 Simplified sound reproducing device having switchable circuits |
| 10/22/1986 | EP0198671A1 Apparatus for cleaning a record disc |
| 10/15/1986 | CN85105323A Gramophone needle module on pickup seat |
| 10/14/1986 | CA1212756A1 Method for data transmission |
| 09/23/1986 | US4613965 Digital audio disc system |
| 09/16/1986 | CA1211558A1 Optically readable disc |
| 09/09/1986 | US4610933 Duplication master suitable for the manufacture of electroplated copies |
| 08/27/1986 | CN85106923A Simple sound amplifier with multi spindle output corresponding to the recorded content |
| 08/27/1986 | CN85106847A Uncomplicated play back the record set with the method of reproducing by stochastic choosing |
| 08/27/1986 | CN85106810A Simple sound amplifier with multi spindle output corresponding to the recorded content |
| 08/20/1986 | EP0191670A1 Sound message-recording device on the inner surface of a ring, playback device therefor and ring thus recorded |
| 08/19/1986 | US4606726 Multiple segment nonsequential recording |
| 08/19/1986 | CA1210040A1 Disc-playing aroma generator |
| 08/12/1986 | CA1209487A2 Disc reproducing system for compensating mechanical imperfections |
| 08/06/1986 | EP0189502A1 Audio playback device for a stationary audio carrier in the shape of a disc or sheet |
| 07/29/1986 | CA1208780A1 Electronic matrix arrays and method for making the same |
| 07/29/1986 | CA1208568A1 Cleaning device for discs |
| 07/23/1986 | EP0187958A2 Resin for information recording medium |
| 07/22/1986 | US4602360 Sound reproduction unit with magnetic governor |
| 07/01/1986 | US4597700 Record engraving apparatus |
| 06/25/1986 | CN85200551U Auto repeat operation device of record player |
| 06/24/1986 | CA1206676A1 Polymerizable composition for information carrying systems |
| 06/17/1986 | US4596009 Information signal regenerating stylus and manufacturing method thereof |
| 06/17/1986 | US4595950 Method and apparatus for marking the information content of an information carrying signal |
| 05/28/1986 | EP0182449A1 Disk cleaning mat |
| 05/22/1986 | WO1986003044A1 Multiple segment nonsequential recording |
| 05/21/1986 | EP0181495A1 Turntable with means to register the difference of the recording and playback tracking angle |
| 05/13/1986 | US4588369 Apparatus for removal of a data carrier disk after molding |
| 05/13/1986 | CA1204389A1 Record player with automatic music search function |
| 05/07/1986 | EP0179783A1 Apparatus for cutting information into a metal recording medium, particularly a copper medium. |
| 05/06/1986 | US4587646 Tone arm assembly |
| 05/06/1986 | US4587558 Address signal generating circuit for a memory circuit |
| 05/06/1986 | US4587178 Magnetic recording medium |
| 04/29/1986 | CA1203900A1 Slot type disc recorder and/or player apparatus |
| 04/15/1986 | US4583074 Expansion circuit for digital signals |
| 04/08/1986 | US4581759 Signal delaying device |
| 04/01/1986 | US4580258 Phonograph |
| 04/01/1986 | US4580257 Dual drive system for phono pickup arm |
| 03/18/1986 | US4577303 Test equipment for phono pickup needles |
| 03/18/1986 | CA1202122A1 Method for making a stamping master for video disc replication |
| 03/13/1986 | WO1986001629A1 Arm driving device |
| 03/11/1986 | US4574418 Disk cleaning mat |
| 03/04/1986 | US4574370 Sound reproduction selection apparatus for a simplified sound reproducing device |
| 03/04/1986 | US4574306 Apparatus and method for automatically measuring the shoe-length of a video disc stylus |
| 02/25/1986 | US4573150 Self-holding switch for use in a sound reproducing device |
| 02/18/1986 | US4571717 Adapter for a plug-in cartridge |
| 02/12/1986 | EP0170959A2 Sytem for duplicating sound recording grooves on films |
| 02/11/1986 | US4570253 Apparatus for playing disc records |
| 02/11/1986 | CA1200600A1 Digital audio disc system |
| 02/11/1986 | CA1200446A1 Disc coating method |
| 01/15/1986 | EP0168106A1 Record player comprising a lifting device for the pick-up arm |
| 12/31/1985 | US4562578 Method for data transmission |
| 12/31/1985 | US4561142 Disc cleaner |
| 12/24/1985 | US4561083 Memory circuit write-in system |
| 12/18/1985 | EP0164376A1 Process for producing a recording medium. |
| 12/04/1985 | EP0044345B1 Process for making video and similar discs |
| 12/03/1985 | US4556967 Record carrier having an optically readable information structure comprised of information areas of two different phase depths |
| 12/03/1985 | US4556539 Disc-playing aroma generator |
| 12/03/1985 | US4556433 Apparatus and method for cleaning digital audio discs |
| 12/03/1985 | CA1197358A1 Method for removal of a data carrier disk after molding and a device for the application of said method |
| 11/26/1985 | US4555734 Video time base and drop out corrector |
| 11/19/1985 | CA1197006A1 Process for obtaining a copy disk from an original recording carried by a matrix |
| 10/16/1985 | EP0158379A1 Master suitable for the manufacture of electroplated copies |
| 10/15/1985 | US4547873 Simplified sound reproducing device |
| 10/10/1985 | WO1985004509A1 Apparatus for cutting information into a metal recording medium, particularly a copper medium |
| 10/08/1985 | US4546461 Method for recording information on a recording disc |
| 10/08/1985 | CA1194996A1 Disc reproducing system for compensating mechanical imperfections |
| 10/08/1985 | CA1194808A1 Stylus shielding and unshielding apparatus for a phonograph |
| 09/17/1985 | US4542494 Arrangement for fastening a phonograph stylus holder to the tone arm |
| 09/10/1985 | US4541085 Simple acoustic playback device for a record having plurality of recording grooves |
| 09/03/1985 | US4539672 Low friction phonograph tone arm traverse |
| 09/03/1985 | US4539079 Controlled radial thickness distribution |
| 08/27/1985 | US4538256 Method and apparatus for cutting information into a record carrier |
| 08/27/1985 | US4538255 Method of and system for cutting a phonograph record with two-channel modulation |
| 08/27/1985 | US4538254 Pickup device |
| 08/20/1985 | US4536865 Bookshelf type record player |
| 08/20/1985 | US4536238 Television, audio devices |
| 08/13/1985 | US4535438 Turntable platter for record players |
| 08/13/1985 | US4535437 Pickup arm driving control system with repeat playback function |
| 08/13/1985 | US4535436 Stylus having a graphite electrode |
| 08/13/1985 | US4535432 Device for cleaning a phonograph record |
| 08/13/1985 | US4535366 Universal video data playback |
| 08/13/1985 | US4534136 Information signal regenerating stylus and manufacturing method thereof |
| 08/06/1985 | US4534022 Phonograph pick-up with improved shield grounding |
| 07/23/1985 | US4531207 Record cutting stylus assembly |
| 07/17/1985 | EP0148294A1 Support for a cutting head |
| 07/09/1985 | US4528653 Record player with automatic music search function |
| 07/09/1985 | US4528588 Method and apparatus for marking the information content of an information carrying signal |
| 06/26/1985 | EP0146189A2 Record player comprising a control device for the pick-up arm |
| 06/26/1985 | EP0044840B1 Information carrying discs |
| 06/25/1985 | US4525839 Method of controlling storage device |
| 06/25/1985 | US4525827 Apparatus for removing a cut chip by suction |
| 06/18/1985 | US4524437 Simplified sound-reproducing device having an external output shaft |
| 06/18/1985 | US4523850 System for positioning a body |
| 06/11/1985 | US4523305 Magnetically recordable label for mechanically-defined information-bearing discs |
| 06/06/1985 | WO1985002420A1 Process for producing a recording medium |
| 06/05/1985 | EP0143620A2 Record disc cleaning apparatus |