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