| 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) |
|---|
| 05/22/1990 | US4928189 Multifunctional magnetic head cleaning media |
| 05/22/1990 | CA2003065A1 Video and/or audio cassette assembly |
| 05/17/1990 | WO1990005363A1 Magnetic recording apparatus |
| 05/17/1990 | DE3838653A1 Conical store of glass for purely magnetic, magnetic-optical or structural-optical data storage and reproduction and process for producing the same |
| 05/16/1990 | EP0368667A2 A magnetic recording and reproducing apparatus |
| 05/16/1990 | EP0368627A2 Cassette container |
| 05/16/1990 | EP0368416A1 System for recording and/or reading signals on/from information carriers in cassettes |
| 05/16/1990 | EP0368347A2 Disk Cartridge |
| 05/16/1990 | EP0368242A2 An optical disk apparatus |
| 05/16/1990 | CN1042247A Film information exchange system using dedicated magnetic tracks on film |
| 05/16/1990 | CA2003017A1 Rotatable shelf assembly |
| 05/15/1990 | US4926411 Cassette having an information disc |
| 05/15/1990 | US4926410 Disk |
| 05/15/1990 | US4926406 Disk player |
| 05/15/1990 | US4926279 Magnetic tape cassette |
| 05/15/1990 | US4926277 Structure improvement of cleaner tape cartridge for video tape recorder/player |
| 05/15/1990 | US4925027 Cassette container |
| 05/14/1990 | CA2000477A1 High density disk drive with magnetic clutch and a removable cartridge |
| 05/10/1990 | DE3838012A1 Workpiece carrier |
| 05/09/1990 | EP0367694A1 Packaging box with interlocking trays |
| 05/09/1990 | EP0367593A2 Transport apparatus for a single reel tape cartridge |
| 05/09/1990 | EP0367518A2 A magnetic tape cleaner |
| 05/09/1990 | EP0367510A2 Apparatus and method for near contact magnetic recording |
| 05/09/1990 | CN1042020A 磁带盒 Cartridges |
| 05/08/1990 | US4924338 Prolong VCR tape cassette |
| 05/08/1990 | US4923137 Tape reel hub |
| 05/08/1990 | US4923062 Insert in combination with audio cassette security packages |
| 05/08/1990 | US4922734 Locking assembly for preventing the unauthorized use of an electrically powered device |
| 05/03/1990 | WO1990004847A1 Computer communication interface |
| 05/03/1990 | WO1990004548A1 A casing theft protection device |
| 05/03/1990 | DE3836887A1 Closing device as insertion preventer for magnetic-tape cassettes, in particular video-tape cassettes |
| 05/03/1990 | CA2001999A1 Threading apparatus for a single reel cartridge |
| 05/02/1990 | EP0366452A2 Disk tray |
| 05/02/1990 | EP0366368A2 Tape cassette |
| 05/02/1990 | CN1041835A Frame-by-frame data recording film information exchange system using dedicated magnetic tracks on film |
| 05/01/1990 | US4922406 Labyrinth seal in disk storage drive |
| 05/01/1990 | US4922361 Pressure pad, particularly for magnetic tapes |
| 05/01/1990 | US4922354 Disk drive air filter |
| 05/01/1990 | US4921729 Two-layer coating method |
| 05/01/1990 | US4921562 Process of preparing a casing for magnetic recording medium |
| 05/01/1990 | US4921097 Display case for a jacketed cassette |
| 04/28/1990 | CA2000957A1 Stackable-shell packing case |
| 04/25/1990 | EP0364476A1 Cleaning cassette. |
| 04/24/1990 | US4920441 Flexible magnetic diskette |
| 04/24/1990 | US4920440 Composite lid assembly |
| 04/24/1990 | US4920439 Guide element structure engageable in sliding contact with a magnetic support |
| 04/24/1990 | US4920436 Magnetic tape cassette system |
| 04/24/1990 | US4919988 Information recording medium and process for producing the same |
| 04/24/1990 | US4919873 Method of molding magnetic tape cassette body half |
| 04/24/1990 | US4919356 Videotape tape guide |
| 04/24/1990 | US4919287 Display unit for consumer products |
| 04/19/1990 | WO1990004254A1 Frame-by-frame data recording film information exchange system using dedicated magnetic tracks on film |
| 04/19/1990 | WO1990004214A1 Film information exchange system using dedicated magnetic tracks on film |
| 04/19/1990 | WO1990003892A1 Video register |
| 04/18/1990 | EP0364332A1 Casing for receiving and restraining a computer reel |
| 04/18/1990 | CN1041471A Connectorless hermetic optical disk system |
| 04/17/1990 | US4918559 Shutter assembly for a disk cartridge |
| 04/17/1990 | US4918558 Magnetic tape cassette having reel locks controlled by an optical tape end detecting element |
| 04/17/1990 | US4918557 Cleaner for magnetic head of tape recorder |
| 04/17/1990 | US4917244 Library box closure device and hanger |
| 04/12/1990 | DE3841731C1 Process for coating a tool base, and tool produced by this process |
| 04/11/1990 | EP0362561A2 Method of, and video magnetic tape recorder for avoiding the inadvertent overwriting of video signal parts recorded on a video magnetic tape |
| 04/11/1990 | EP0362463A1 Protection system |
| 04/11/1990 | EP0362285A1 Disk drive architecture. |
| 04/11/1990 | CN2055977U Cover plate locking device for cassette video tape |
| 04/10/1990 | WO1990011584A1 Automatic cassette tape vending machine |
| 04/10/1990 | US4916567 Storage cassette for a disc-shaped information carrier |
| 04/10/1990 | US4916566 Magnetic tape cassette which avoids flange/housing contact |
| 04/10/1990 | US4916565 Magnetic tape cassette having improved closure means |
| 04/10/1990 | US4916564 Cleaning apparatus for a disc drive |
| 04/10/1990 | US4915322 Cassette and locking element for the same |
| 04/10/1990 | CA1267640A1 Storage container for recording media |
| 04/05/1990 | WO1990003642A1 Connectorless hermetic optical disk system |
| 04/04/1990 | EP0361414A2 Resin composition and article made of resin composition |
| 04/04/1990 | EP0361269A2 A disc cartridge |
| 04/03/1990 | US4914545 Cassette case light |
| 04/03/1990 | US4913296 Storing and dispensing system |
| 04/03/1990 | US4913287 Tape cartridge container |
| 03/29/1990 | DE3832932A1 Envelope for an EDP diskette |
| 03/28/1990 | EP0362285A4 Disk drive architecture. |
| 03/28/1990 | EP0360549A2 Disk cartridge |
| 03/28/1990 | EP0360075A2 Folding box with an opening for insertion of magnetic recording cassettes |
| 03/28/1990 | EP0147396B1 Secure transaction card and verification system |
| 03/27/1990 | USRE33187 Stable stretched surface recording medium |
| 03/27/1990 | US4912581 Magazine for supporting a plurality of magnetic disc packs each housing a magnetic disc |
| 03/27/1990 | US4911776 Method of manufacturing a mold for an optically readable information disc |
| 03/27/1990 | US4911774 Extraction leader tape from tape retaining means |
| 03/27/1990 | US4911301 Laminated case for magnetic disk and method of manufacturing same |
| 03/27/1990 | US4911298 Cassette storage container |
| 03/22/1990 | DE3925902A1 Automatic cleaning of read write heads in optical disc drive - has cleaning cassette with brushes automatically loaded into position against head |
| 03/21/1990 | EP0359364A2 A rigid transparent disk for testing sliders and a method of forming the same |
| 03/21/1990 | EP0359214A2 Tape cassette detecting tape ends thereof with light sensing means |
| 03/21/1990 | EP0358780A1 Disk magazine and disk loading device |
| 03/21/1990 | CN2054931U Laser disc with ring shape set-off |
| 03/20/1990 | US4910675 Diskette finishing unit |
| 03/20/1990 | US4910625 Article surveillance apparatus and systems for computer data disks |
| 03/20/1990 | US4910624 Optically readable disk with self centering hub |
| 03/20/1990 | US4910623 Magnetic tape cassette |
| 03/20/1990 | US4910618 Guide structure for guiding endless magnetic tape in a rotary head transport |
| 03/20/1990 | US4910056 Carrier tape with series of apertures; center hub; used in recording |