| 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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| 06/04/1985 | US4521877 Reproducing stylus and method of making same |
| 06/04/1985 | CA1188228A1 Turntable platter for record players |
| 05/28/1985 | US4520473 Signal pickup device in a rotary recording medium reproducing apparatus |
| 05/28/1985 | US4520470 Cleaning device for discs |
| 05/21/1985 | US4519059 Cleaning mode for discs or records |
| 05/21/1985 | CA1187604A1 Swing-arm device for an optical scanning unit |
| 05/07/1985 | US4515843 Paper-polyethylene laminate; for wrapping hot food |
| 05/07/1985 | CA1186570A1 Method for forming video discs |
| 04/30/1985 | US4514838 Arrangement for adjustment of the vertical tracking force on a phonograph stylus |
| 04/30/1985 | US4514836 Brush contact for phonograph tone arm dynamic stabilizer |
| 04/23/1985 | US4513410 Pickup cartridge having stylus holder |
| 04/16/1985 | US4512010 Apparatus for controlling linear tracking arm in record player |
| 04/16/1985 | US4512009 Stylus for stereo pickups |
| 04/16/1985 | US4512007 Method for producing a record carrier |
| 04/09/1985 | US4510593 Information disk of grooved, metal-coated crosslinked polymeric layer |
| 04/09/1985 | US4510591 Slot type disc recorder and/or player apparatus |
| 04/09/1985 | US4510590 In a phonograph device |
| 04/09/1985 | US4510187 Method for conditioning phonograph records |
| 04/09/1985 | CA1185307A1 Combined linear motor and side mounted outboard carriage |
| 04/02/1985 | US4509159 Aluminum-aluminum oxide stylus arm |
| 03/26/1985 | US4507769 Disc reproducing apparatus |
| 03/12/1985 | US4504941 Stylus cartridge having stylus arm restraint |
| 03/12/1985 | US4504940 Stylus for use with video disc and method of grinding such stylus |
| 03/12/1985 | CA1183950A1 Method for processing an information signal and means for carrying out the method |
| 03/05/1985 | US4503094 Process for producing scratch resistant antistatic sound and picture carrier |
| 02/26/1985 | US4502135 Pickup cartridge having improved stylus flylead |
| 02/26/1985 | CA1183088A1 Pickup arm device |
| 02/19/1985 | US4500486 Method for removal of a data carrier disk after molding |
| 02/19/1985 | CA1182915A1 Optically readable information disk |
| 02/12/1985 | US4499503 Video format signal recording and reproduction system |
| 02/05/1985 | US4498164 Record players |
| 02/05/1985 | US4498160 Simplified record player capable of automatically housing reproducing stylus upon removal of record disc from the record player |
| 01/29/1985 | US4497053 Accurately tracking phonograph arm |
| 01/29/1985 | US4497052 Stylus for reproducing information signals recorded on a recording medium |
| 01/29/1985 | US4495812 Method and device for balancing circular plate-shaped objects |
| 01/29/1985 | CA1181844A1 Apparatus for controlling linear tracking arm in record player |
| 01/23/1985 | EP0131857A2 Method and apparatus for electroforming a stamper for producing a high-density information recording carrier |
| 01/22/1985 | US4495612 Tone arm control mechanism |
| 01/22/1985 | US4495611 Vibration system of pickup cartridge of record player |
| 01/09/1985 | EP0130371A1 Audio disc polish |
| 01/08/1985 | US4493072 Turntable device having rotary recording medium size changeover capability in a rotary recording medium reproducing apparatus |
| 01/08/1985 | US4493069 Phonograph |
| 01/08/1985 | US4493068 Pick-up point dislocation detecting device in recording a disc player |
| 01/08/1985 | CA1180663A2 Disc reproducing system for compensating mechanical imperfections |
| 01/01/1985 | US4491941 Reproducing stylus for an information signal recording medium |
| 12/27/1984 | CA1180114A Stylus cleaning apparatus for video disc player |
| 12/25/1984 | US4490816 Tonearm alignment gauge |
| 12/25/1984 | US4490766 Magnetic recording disk cleaning using controlled actuator motion |
| 12/18/1984 | CA1179773A1 Device for detecting interband gaps on record medium |
| 12/11/1984 | US4488286 Signal-pickup cartridge for a rotary recording medium reproducing apparatus |
| 12/11/1984 | US4488285 Stylus lifter locking mechanism for video disc player |
| 12/11/1984 | US4488283 Polyepoxides for bonding diamond cutterhead stylus to piezoelectric element |
| 12/11/1984 | US4488282 Damping material |
| 12/11/1984 | US4486916 Phonorecord cleaner |
| 12/04/1984 | US4486872 In-arm stylus cleaner for disc record player |
| 12/04/1984 | US4486871 Continuous repeating type simplified sound reproducing device |
| 11/27/1984 | US4485466 Stylus shielding and unshielding apparatus for a phonograph |
| 11/27/1984 | US4484408 Talking figure play set |
| 11/20/1984 | US4484320 Apparatus and method for cutting information into a metallic record carrier |
| 11/20/1984 | US4484318 Circuit arrangement and method for detecting unrecorded zones of a phonograph record |
| 11/13/1984 | US4482990 Simplified sound-reproducing device for a record disc having a plurality of recorded grooves |
| 11/13/1984 | US4482511 Method of manufacturing a stamper for information storage discs |
| 11/07/1984 | EP0123746A2 Disc-playing aroma generator |
| 10/30/1984 | US4479281 Method and apparatus for cleaning phonograph records |
| 10/23/1984 | US4478768 Method for manufacturing optical type recording medium |
| 10/16/1984 | US4477893 For a record turntable |
| 10/16/1984 | US4477892 Surface acoustic wave device having a pyramid shaped tip for recording video information on a substrate |
| 10/16/1984 | US4477843 System for still or slow-motion reproduction of television pictures |
| 10/16/1984 | CA1176369A1 Cleaning device |
| 10/02/1984 | US4475132 Interactive video disc systems |
| 10/02/1984 | CA1175362A1 Acoustic image enhancing method and apparatus |
| 09/25/1984 | US4473899 Pickup carriage transporting mechanism for a disk record player and method for manufacturing the same |
| 09/25/1984 | US4473898 Device and method for controlling a pickup arm of an automatic record player |
| 09/25/1984 | US4473897 Tubular beryllium phonograph needleshank and method of formation |
| 09/18/1984 | US4472337 Video disc processing |
| 09/11/1984 | US4471476 Pickup arm drive device |
| 09/11/1984 | US4470940 Mold release agents |
| 09/11/1984 | CA1174176A1 Keel-tipped stylus, and method and device for making keel-tipped stylus |
| 09/05/1984 | EP0117576A1 Optically readable disc |
| 09/04/1984 | US4470130 Apparatus for lifting and lowering a linear tracking tone arm in a record player |
| 08/29/1984 | EP0117045A2 Liquid crystal flat panel display |
| 08/28/1984 | US4468764 Disc reproducing apparatus |
| 08/22/1984 | EP0116052A1 Talking figure play set |
| 08/21/1984 | CA1172966A1 Phonorecord cleaner |
| 08/14/1984 | US4466086 Apparatus for playing record discs in an automatic mode and an automatic music piece selection mode |
| 08/14/1984 | US4466037 Recording reproducing apparatus |
| 08/08/1984 | EP0115376A1 Stylus shielding and unshielding apparatus for a phonograph |
| 08/07/1984 | US4464744 Video disc player having turntable retention mechanism |
| 08/07/1984 | US4464743 Record playing apparatus |
| 08/07/1984 | US4464742 Stylus cleaner pad orientation in disc record player |
| 08/07/1984 | US4464740 Separation band detecting circuit in an automatic program selection record player |
| 07/24/1984 | US4462097 Dynamic vibration absorber for a phonograph tone arm |
| 07/24/1984 | CA1171362A1 Linear tracking arm drive apparatus |
| 07/17/1984 | US4460991 Pickup device for disc player |
| 07/10/1984 | US4459691 Arrangement for preventing discharge current flow between a rotary recording medium and a reproducing stylus in a rotary recording medium reproducing apparatus |
| 07/10/1984 | CA1170765A1 Transducer displacement apparatus for video disc player |
| 06/26/1984 | CA1169781A1 Stylus assembly and process for making same |
| 06/20/1984 | EP0111077A1 Device for heat-bonding utilizing temperature-controlled pressure |
| 06/19/1984 | US4455641 Linear tracking system |
| 06/19/1984 | US4455640 Record playing device |