| 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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| 02/14/1984 | US4431146 In a magnetic recorder |
| 02/14/1984 | CA1162299A1 Magnetic disk assembly, cartridge for same and recording/reproducing apparatus for use |
| 02/14/1984 | CA1162175A1 Tape cassette |
| 02/14/1984 | CA1162128A1 Document storage file |
| 02/08/1984 | EP0100191A2 Floppy disks with enlarged partition-holes |
| 02/07/1984 | US4430401 Method for producing a recording disc stamper |
| 02/07/1984 | US4430363 Process of making information carrying systems |
| 02/07/1984 | US4430145 Splicer presser pad |
| 02/07/1984 | US4429790 Latch and handle assembly for magnetic recording disc cartridge |
| 02/07/1984 | CA1161953A1 Grooved label for video disc |
| 02/07/1984 | CA1161949A1 Dual access flexible disk drive |
| 01/31/1984 | US4429377 Rotary recording medium reproducing apparatus having a jacket opening enlarging device |
| 01/31/1984 | US4429336 Disc drive dynamic seal |
| 01/31/1984 | US4428548 Magnetic recording tape cartridge |
| 01/31/1984 | US4428547 Magnetic recording tape cartridge |
| 01/31/1984 | US4428483 Disc accommodating case |
| 01/31/1984 | US4428482 Storage case for a cassette |
| 01/31/1984 | US4428481 Universal storage container for video cassettes |
| 01/31/1984 | US4428480 Container for tape cassettes |
| 01/31/1984 | US4428479 Accessory for tape-cassette storage box |
| 01/31/1984 | CA1161554A1 Case with an information carrier consisting of a tape one side of which has a structure carrying optically readable information as well as an apparatus for writing, reading or erasing such information |
| 01/31/1984 | CA1161553A1 Indicator device for cassettes loaded with magnetic information carrier |
| 01/31/1984 | CA1161551A1 System for formatting data on video tape for high accuracy recovery |
| 01/31/1984 | CA1161550A1 Method for protecting sound recordings and the labels and/or packages thereof against imitation |
| 01/25/1984 | EP0099005A1 Magnetic disc apparatus |
| 01/24/1984 | US4428014 Case for a rotary recording medium |
| 01/24/1984 | US4428013 Device for gripping a magnetic disk cartridge |
| 01/24/1984 | US4427166 Magnetic tape cassette |
| 01/24/1984 | US4427160 Equalizer for tape tension |
| 01/24/1984 | US4426750 Combined rewind foot/tape cleaner |
| 01/24/1984 | CA1161165A1 Mode change-over mechanism for a tape recorder |
| 01/24/1984 | CA1161164A1 Error prevention mechanism for control buttons |
| 01/24/1984 | CA1161163A1 Loading change-over mechanism for a video tape recorder |
| 01/24/1984 | CA1161162A1 Loading mechanism for a video tape recorder |
| 01/24/1984 | CA1161013A1 Method of protecting videotapes |
| 01/17/1984 | US4426684 Scratch pad memory for cassette of magnetic tape recording |
| 01/17/1984 | US4426056 Plate bracket for mounting a cassette box |
| 01/17/1984 | US4426047 Single reel tape cartridge |
| 01/11/1984 | EP0098010A1 Unitary assembly, including spindle mount, transducer actuator support structure and magnetic shielding, for disc drive |
| 01/11/1984 | EP0098009A1 Memory storage apparatus having improved housing and base plate arrangement |
| 01/11/1984 | EP0098008A1 Memory storage apparatus having vibration-dampened base plate arrangement |
| 01/11/1984 | EP0098007A1 Enclosed disk drive with improved air filtration system |
| 01/11/1984 | EP0097964A1 A locking device for a cover of magnetic tape cartridge |
| 01/11/1984 | EP0097948A2 Information recording substrate |
| 01/11/1984 | EP0097873A2 Tape cassette |
| 01/11/1984 | EP0097793A2 Jacket for magnetic disk memory |
| 01/10/1984 | US4424761 Nozzle for coating a disc with a lubricant |
| 01/04/1984 | EP0097363A1 Rotary disk |
| 01/04/1984 | EP0097221A2 Rigid floppy disk cartridge |
| 01/03/1984 | US4424539 Magnetic disk-control track read through envelope |
| 01/03/1984 | US4423812 Cassette receptacle device |
| 01/03/1984 | CA1159952A1 Reversible cartridge for flexible disks |
| 12/28/1983 | EP0096994A1 Tape cassette |
| 12/28/1983 | EP0096983A2 Tape cassette |
| 12/28/1983 | EP0096924A2 Recording and/or reproducing apparatus |
| 12/27/1983 | US4422904 Method for forming video discs |
| 12/27/1983 | US4422599 Magnetic tape cassette |
| 12/27/1983 | US4422598 Cured silicone rubber se 5563u, having methyl, phenyl and vinyl substituents |
| 12/27/1983 | US4422550 Structure of pivotal-shaft receiving hole of thin-walled molding product |
| 12/22/1983 | WO1983004453A1 Magnetic data storage and drive apparatus |
| 12/21/1983 | EP0096315A2 Device for storing tape goods |
| 12/21/1983 | EP0096068A1 Counter assembly for a video cassette |
| 12/20/1983 | US4422119 Leader tape |
| 12/20/1983 | US4422109 Magnetic recording and reproducing apparatus automatically adjustable to each individual magnetic tape |
| 12/20/1983 | CA1159145A1 Memory error signal devices for tape cassettes with memory |
| 12/13/1983 | US4420827 Disc reproducing system |
| 12/13/1983 | US4420196 Rotary filing device |
| 12/13/1983 | US4420128 Magnetic tape cassette |
| 12/13/1983 | US4420079 Container for tape-like material |
| 12/07/1983 | EP0095886A2 Method and apparatus for making a stamping master for video disc replication |
| 12/07/1983 | EP0095558A2 Disk file apparatus |
| 12/06/1983 | US4419710 Case for a disc-shaped recording medium |
| 12/06/1983 | US4419709 Case for a disc-shaped recording medium |
| 12/06/1983 | US4419708 Magnetic recording tape cartridge |
| 12/06/1983 | US4419703 Disc cartridge loading mechanism |
| 12/06/1983 | US4419164 Method for making a self-lubricating liner |
| 12/06/1983 | CA1158361A1 Magnetic recording tape cartridge |
| 11/30/1983 | EP0095392A1 Ventilation system of a cartridge for removable magnetic disk(s) and cartridge ventilated by this system |
| 11/29/1983 | US4418373 Tape cassette |
| 11/29/1983 | US4417942 Tape splicing blocks |
| 11/29/1983 | US4417757 Recording disc handling device |
| 11/29/1983 | US4417705 Tape cassette |
| 11/29/1983 | US4417704 Tape pad of polytetrafluoroethylene |
| 11/29/1983 | CA1157944A1 Disk memory module with stackable dust shield |
| 11/29/1983 | CA1157943A1 Magnetic recording tape cartridge |
| 11/24/1983 | WO1983004136A1 Head access door, opening mechanism and method of sealing |
| 11/24/1983 | WO1983004135A1 Restraining and sealing mechanism for disc cartridge |
| 11/23/1983 | EP0094484A1 Self-ventilated recirculating airflow system |
| 11/22/1983 | US4417291 Recording diskette having flocked-fiber wiping fabric |
| 11/22/1983 | US4417289 Jacket for floppy pack |
| 11/22/1983 | US4416789 High density information disc lubricants |
| 11/22/1983 | US4416702 Porous pad with multiple edges; use of suction |
| 11/16/1983 | EP0094205A2 Magnetic tape cassette |
| 11/16/1983 | EP0094087A1 Recording tape cartridge |
| 11/16/1983 | EP0093717A1 Disc cartridge loading mechanism |
| 11/15/1983 | US4416004 Rotary recording medium reproducing apparatus having a lid member guiding mechanism |
| 11/15/1983 | US4415138 Elastomeric videodisc mold |
| 11/15/1983 | CA1156917A1 Splicing apparatus |
| 11/08/1983 | US4414660 High density information disc |
| 11/08/1983 | US4414597 Floppy disc liner |