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)
11/1983
11/08/1983US4414591 Dual access flexible disk drive
11/08/1983US4413919 Ribbon loading system for printers
11/08/1983US4413732 Cassette and adapter combination
11/08/1983CA1156727A1 Method and apparatus for monitoring and controlling a resistance welding operation
11/02/1983EP0092666A1 Magnetic tape cassette case
11/01/1983US4413333 Rotary recording medium reproducing apparatus
11/01/1983US4413299 State indicating device in a rotary recording medium reproducing apparatus
11/01/1983US4413298 Diskette jacket
11/01/1983US4413034 Record handler
11/01/1983US4412663 Magnetic tape cassette comprising an indexing device for the unwinding of the tape
11/01/1983CA1156367A1 Container for holding at least one recording disk and disk playing system
11/01/1983CA1156360A1 Video disc apparatus for clearing foreign matter from the signal pickup stylus during playback
10/1983
10/26/1983EP0092373A1 Cassette and cassette adapter for use therewith
10/26/1983EP0092325A1 Recording disc
10/26/1983EP0091987A1 Manually operated conditioner for flexible magnetic disks
10/25/1983US4412263 Recording head protective overlay and cleaning arrangement
10/25/1983US4412261 Magnetic disk memory device
10/25/1983US4412260 Cartridge receiver mechanism
10/25/1983US4412165 Sampled servo position control system
10/25/1983US4411945 Multilayer,laminated high density polyethylene
10/25/1983US4411943 Friction sheet
10/25/1983US4411481 Holder for audio/video cassettes, games cartridges and storage cases
10/25/1983CA1155954A1 Recording diskette having flocked-fiber wiping fabric
10/18/1983US4410973 Rotary recording medium reproducing apparatus having a switch mechanism for detecting return of a jacket opening enlarging mechanism
10/18/1983US4410972 Rotary recording medium reproducing apparatus having a jacket opening enlarging device
10/18/1983US4410921 Apparatus for reproducing information signals from a disc-shaped recording medium and including a mechanism for pushing back a case for accommodating the recording medium therein
10/18/1983US4410149 Transport apparatus for use with a linear tape recorder
10/18/1983US4410087 Tape cassette storage box
10/18/1983CA1155545A1 Apparatus for controlling the motion of a moving tape
10/18/1983CA1155544A1 Pressure device for flexible recording media, especially media contained in cartridges
10/12/1983EP0091295A1 Adapter for a tape recorder
10/12/1983EP0091171A1 Magnetic-tape cassette
10/11/1983US4409630 Information signal recording and/or reproducing apparatus and a recording jacket for use therewith
10/11/1983US4408733 Magnetic tape cassette
10/05/1983EP0090573A1 Tape cassette
10/05/1983EP0090509A2 Cassette roller guide
10/05/1983EP0090149A1 Leader block in a single reel magnetic tape catridge
10/05/1983EP0090086A1 Single reel magnetic tape cartridge
10/05/1983EP0090055A1 Ceramic magnetic head slider
10/05/1983EP0090039A1 Tape cleaning apparatus
10/04/1983US4408321 Disc-shaped recording medium reproducing apparatus
10/04/1983US4408320 Spacer for use in testing information recorded discs
10/04/1983US4408316 Rotary recording medium reproducing apparatus having a jacket opening enlarging device
10/04/1983US4408243 Tape cleaner
10/04/1983US4408242 Magnetic recording member for automatic embroidering machine
10/04/1983US4407880 Substrate of member for recording information with light and method of manufacturing the same
10/04/1983US4407412 Plastics spool container for magnetic tapes
10/04/1983US4407411 Storage box
10/04/1983US4407410 Book type cassette holder and method of making same
10/04/1983CA1154865A1 Video track transfer system and method
10/04/1983CA1154732A1 Tape cassette
09/1983
09/29/1983WO1983003321A1 Security marking video tape recordings
09/28/1983EP0089865A1 Cassette with regulated-speed elastic belt
09/28/1983EP0089775A1 Method for manufacturing optical type recording medium
09/28/1983EP0089546A2 Storage unit for tape cassettes or the like, in particular for use in vehicles
09/28/1983EP0089451A1 Method of cleaning magnetic record disks
09/27/1983US4406426 Secrecy-coded cassette
09/27/1983US4406369 Tape cassette holder
09/27/1983CA1154534A1 Replicable optical recording medium
09/27/1983CA1154533A1 Replicable optical recording medium
09/27/1983CA1154531A1 Record side identification apparatus for video disc player
09/27/1983CA1154529A1 Video disc caddy
09/27/1983CA1154528A1 Fixed hard disc drive assembly and clean air system
09/20/1983US4405541 Video disc processing
09/20/1983US4405136 Pneumatic cartridge seal for computer disc drive cartridge
09/20/1983US4405098 Extended play cassette
09/20/1983US4405097 Cassette with a slack limiter tab
09/20/1983US4405096 Magnetic tape cassette
09/20/1983US4405095 Magnetic tape shifting device
09/20/1983US4405093 Endless tape travelling device
09/20/1983CA1154161A1 Case provided with a conveying means for conveying tape-like information carrier as well as an apparatus for writing, reading or erasing information to be utilized in combinationwith such a case
09/14/1983EP0088472A1 Magnetic-tape cassette
09/14/1983EP0088438A1 Recording tape cartridge
09/14/1983EP0088437A1 Recording tape cartridge
09/13/1983US4404245 Protective sheet for cassette holding magnetic recording tape
09/13/1983US4403880 Record cleaner/conditioner
09/13/1983US4403749 Tape reel
09/13/1983US4403369 Internal caddy cleaning apparatus
09/13/1983CA1153703A1 Rotary recording medium reproducing apparatus having a lid member guiding mechanism
09/07/1983EP0087913A2 A tape cassette
09/07/1983EP0087765A2 Case for receiving at least one cassette, in particular a video cassette
09/06/1983US4402405 Pictorial phonorecord mat
09/06/1983CA1153467A1 Tape reel hub including a cantilever beam section to reduce tape "tenting"
09/06/1983CA1153466A1 Magnetic disk-jacket assembly
08/1983
08/31/1983EP0086892A1 Heat-sealable package blank for a video tape cassette or the like
08/31/1983EP0086787A1 Support-plate for a sound tape cassette intended to be preserved in a casing
08/30/1983US4402019 Magnetic recording/reproducing apparatus
08/30/1983US4401220 Cassette tape case
08/30/1983US4401216 Media storage device
08/30/1983US4400846 Tape cleaning apparatus
08/30/1983CA1152941A1 Process for making discs
08/24/1983EP0086682A1 Disk memory with a removable magnetic disk cartridge and magnetic disk cartridge
08/24/1983EP0086625A1 Tape cassette
08/24/1983EP0086542A1 Book storage system
08/24/1983EP0086484A1 Storage box for disc-shaped information carriers with a high recording density
08/24/1983EP0086395A2 Disk drive
08/24/1983EP0086394A1 Single reel tape cartridges
08/24/1983EP0086275A1 Storage container for magnetic-tape cassettes or other recording media
08/23/1983US4400753 Universal magnetic recording disk cartridge
08/23/1983US4400748 Flexible magnetic disk drive using a rigid cartridge