| Patents for G11B 23 - Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus (25,121) |
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| 03/12/1985 | CA1183950A1 Method for processing an information signal and means for carrying out the method |
| 03/12/1985 | CA1183947A1 Tape cassette cases |
| 03/12/1985 | CA1183943A1 Dictation recording and transcribing system utilizing a multiple media cartridge apparatus |
| 03/06/1985 | EP0133734A2 Cartridge arrangementwith a data storage medium |
| 03/05/1985 | US4503530 Disk hub spindle system |
| 03/05/1985 | US4503475 Tape cleaner |
| 03/05/1985 | US4503474 Disc drive cartridge arrangement |
| 03/05/1985 | US4503473 For a floppy disc drive |
| 03/05/1985 | US4502904 Method and apparatus for applying splicing tape with positive air pressure assist |
| 03/05/1985 | US4502648 ANSI-Compatible tape cartridge with oversize tape width |
| 03/05/1985 | CA1183605A1 Metallized information carrying discs |
| 02/28/1985 | WO1985000919A1 Tape cassette |
| 02/28/1985 | WO1985000918A1 Method and apparatus for hydrodynamic magnetic recording |
| 02/27/1985 | EP0133541A1 Recording disc cartridge |
| 02/27/1985 | EP0133441A2 Envelope for an information carrier |
| 02/26/1985 | US4501630 Method of splicing a magnetic recording tape and a leader tape |
| 02/26/1985 | US4501396 Video cassette time left gauge |
| 02/26/1985 | US4501359 Casing for a video tape cassette |
| 02/20/1985 | EP0133370A2 Slack limiter for a magnetic tape cassette |
| 02/19/1985 | US4501014 Method for eliminating unwanted acoustic signals in audio programs to be edited for reproduction |
| 02/19/1985 | US4500983 Rotary recording medium reproducing apparatus |
| 02/19/1985 | US4500392 Electroforming chromium on an encoded nickel substrate |
| 02/19/1985 | US4500050 Magnetic tape cassette |
| 02/19/1985 | US4499996 Protective cartridge for disc record |
| 02/19/1985 | US4499995 Video disc package |
| 02/19/1985 | CA1182907A1 Flexible magnetic disc cassette |
| 02/19/1985 | CA1182906A1 Tape entrainment device with a movable entrainment roller |
| 02/13/1985 | EP0133076A2 Magnetic sheet jacket |
| 02/13/1985 | EP0132917A1 Improved continuous loop tape cassette |
| 02/13/1985 | EP0132533A2 Container for the storage of a magnetic tape cassette |
| 02/13/1985 | EP0132531A2 Theft detection system target fastener |
| 02/12/1985 | US4499516 Cleaning disk with opaque ring |
| 02/12/1985 | US4499514 Disc drive apparatus |
| 02/12/1985 | US4499513 Recording and/or reproducing apparatus |
| 02/12/1985 | US4499444 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems |
| 02/05/1985 | US4498115 Magnetic-tape cassette having a capstan cleaning device |
| 02/05/1985 | US4498114 Non-abrasive magnetic head cleaning system |
| 02/05/1985 | US4498113 Apparatus and method for cleaning a video player/recorder |
| 02/05/1985 | US4497454 Tape loading machine |
| 01/29/1985 | US4497009 Magnetic disk cartridge |
| 01/29/1985 | US4497008 Magnetic-tape cassette with pivotal, nesting cover |
| 01/29/1985 | US4496999 Video tape cassette and device therefor |
| 01/29/1985 | US4496993 Rotary recording medium |
| 01/29/1985 | US4496119 Magnetic-tape cassette with simplified reel brake |
| 01/29/1985 | US4496118 Magnetic tape cassette |
| 01/29/1985 | US4496048 Video cassette carrier |
| 01/29/1985 | CA1181843A1 Video disc player having caddy-actuated record receiving pads |
| 01/23/1985 | EP0131857A2 Method and apparatus for electroforming a stamper for producing a high-density information recording carrier |
| 01/22/1985 | US4494703 Endless tape cassette |
| 01/17/1985 | WO1985000238A1 Optical disc unit with flexible cover sheet |
| 01/15/1985 | US4494161 Tape cassette |
| 01/15/1985 | US4493417 Storage device for flat recording media |
| 01/09/1985 | EP0130900A1 Process for manufacturing optical discs by pressing, and discs made thereby |
| 01/09/1985 | EP0130495A1 A record disk bearing a servo pattern and record disk apparatus comprising such a record disk |
| 01/09/1985 | EP0130364A2 Optical information storage medium |
| 01/08/1985 | US4492996 Rotary recording medium reproducing apparatus |
| 01/08/1985 | US4492993 Magnetic recording tape and corresponding method providing indication of end-of-tape conditions |
| 01/08/1985 | US4492417 Tape cassette storage box |
| 01/08/1985 | US4492351 Housing for tape cassette |
| 01/08/1985 | CA1180804A1 Molded diskette with built in cleaning and head compliance pads |
| 01/08/1985 | CA1180803A1 Information recording apparatus with a disc loaded in a casette |
| 01/02/1985 | EP0129844A1 Magnetic recording tape cartridge |
| 01/02/1985 | EP0129841A2 Cleaning cassette |
| 01/02/1985 | EP0129708A1 Phase modulated servo system for a disk file |
| 01/02/1985 | CA1180444A Single reel tape cartridge |
| 01/02/1985 | CA1180443A Control system for flexible disk file |
| 01/02/1985 | CA1180248A Diskette jacket |
| 01/01/1985 | US4491891 Tape guide for a magnetic tape cartridge and method of manufacturing the same |
| 01/01/1985 | US4491888 Memory storage apparatus having vibration-dampened base plate arrangement |
| 01/01/1985 | US4491485 Scrapping, air flow |
| 12/27/1984 | EP0129427A2 Diskette protection |
| 12/27/1984 | EP0129335A1 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems |
| 12/27/1984 | EP0129292A1 Disc-record player comprising a disc-loading mechanism and disc holder for use in such a player |
| 12/27/1984 | EP0129262A1 Magnetic disk drive |
| 12/27/1984 | EP0129107A2 Magnetic tape recording and playback system |
| 12/27/1984 | EP0129019A2 Stamper and method for injection molding information bearing member |
| 12/27/1984 | EP0128949A1 Coated media for optical recording and associated coating techniques |
| 12/27/1984 | EP0128938A1 Method and device for cleaning by wet process tape-like recording media |
| 12/25/1984 | US4490767 Manually operated conditioner for flexible magnetic disks |
| 12/25/1984 | US4490766 Magnetic recording disk cleaning using controlled actuator motion |
| 12/25/1984 | US4490765 Diskette for cleaning a floppy-disc drive head |
| 12/25/1984 | US4490764 Disc pack assembly |
| 12/25/1984 | US4490763 Tape cassette |
| 12/25/1984 | US4490761 Casette recorder cleaning unit |
| 12/25/1984 | US4489832 Tamper-evident container |
| 12/25/1984 | US4489740 Disc cleaning machine |
| 12/20/1984 | WO1984005008A1 Secure transaction card and verification system |
| 12/19/1984 | EP0128271A1 Tape wiping brush |
| 12/19/1984 | EP0128218A1 Coated media for optical recording with acrylic overcoat |
| 12/19/1984 | EP0128187A1 Method for sealing records and tape cassettes |
| 12/18/1984 | US4489356 Enclosed disk drive with improved air filtration system |
| 12/18/1984 | US4488690 Cassette with controlled-speed elastic belt |
| 12/18/1984 | US4488645 Case for housing information memory media therein |
| 12/18/1984 | US4488644 Packaging system for video cassettes |
| 12/18/1984 | CA1179772A1 Magnetic recording tape cartridge |
| 12/18/1984 | CA1179770A1 Cartridge receiver mechanism |
| 12/12/1984 | EP0127974A1 A box |
| 12/12/1984 | EP0127846A1 Information recording medium |
| 12/12/1984 | EP0127657A1 Cleaning cassette. |
| 12/11/1984 | US4488192 Cooling arrangement for hermetically sealed disk files |