| 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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| 05/11/1982 | US4328936 Magnetic tape cassette gasket |
| 05/11/1982 | US4328932 Reel weight assembly |
| 05/11/1982 | US4328607 Manufacturing process for foil magnetic recording disks |
| 05/11/1982 | CA1123409A1 Cassette |
| 05/05/1982 | EP0050695A1 Improvements in sampled servo position control systems |
| 05/05/1982 | EP0050661A1 Tape system with optically contrasting data marks |
| 05/05/1982 | EP0050641A1 Cassette storage racking system |
| 05/04/1982 | US4328065 For cassette tape loader |
| 05/04/1982 | US4328054 Splicing apparatus |
| 05/04/1982 | US4327952 Document storage file |
| 05/04/1982 | US4327879 Magnetic tape reel |
| 05/04/1982 | US4327831 Disk record container |
| 04/27/1982 | US4327430 Information signal recording medium of rotary type with overlapped tracks |
| 04/27/1982 | US4327140 High density information disc lubricants |
| 04/27/1982 | US4327048 High density information disc processing |
| 04/27/1982 | US4326659 Magnetic recording-reproducing apparatus |
| 04/15/1982 | WO1982001273A1 Method for processing an information signal and means for carrying out the method |
| 04/13/1982 | US4325092 Apparatus for detection of cue data carried by a recording medium moving at greatly varying speeds |
| 04/13/1982 | US4325089 System for safeguarding magnetically recorded data |
| 04/13/1982 | US4324372 High density belt driven digital data tape cartridge |
| 04/13/1982 | US4324014 Cassette cleaner |
| 04/13/1982 | CA1121754A1 Random stuffer ribbon cartridge with improved ribbon exit control |
| 04/07/1982 | EP0048779A1 Prerecorded tapes, data storage and retrieval system for use therewith, and methods of storing and retrieving binary data words |
| 04/06/1982 | US4323939 Hard fixed disc drive assembly and read-write head actuator |
| 04/06/1982 | US4323207 Latch assembly for a video tape cassette |
| 04/06/1982 | CA1121277A1 Hand held record player with record holding attachment |
| 04/01/1982 | WO1982001098A1 Metallized information carrying discs |
| 03/30/1982 | US4322000 Tape cassette packages and holders therefor |
| 03/30/1982 | CA1121051A1 Disc memory module dust shield |
| 03/30/1982 | CA1121050A1 Disc cartridge |
| 03/30/1982 | CA1121049A1 Cartridge and flexible magnetic disk assembly |
| 03/23/1982 | US4321637 Recording-reproduction apparatus for an endless tape |
| 03/23/1982 | US4321622 Video track transfer system and method |
| 03/23/1982 | US4321621 High density recording system using side-by-side information and servo tracks |
| 03/23/1982 | US4321302 Process for producing magnetic powder having high coercive force |
| 03/23/1982 | US4320879 Tape cassette drive assembly |
| 03/23/1982 | US4320834 Reel container |
| 03/23/1982 | US4320833 Cartridge for a video-disk, and video-disk suitable for such a cartridge |
| 03/17/1982 | EP0047645A1 A method of producing an information recording disk |
| 03/17/1982 | EP0047386A1 Process for eliminating acoustic interference signals |
| 03/16/1982 | US4320430 Recording disc cartridge closure mechanism |
| 03/16/1982 | US4320429 Pressure device for flexible recording media in cartridges using a universal joint mounting |
| 03/16/1982 | US4320425 Centering and mounting apparatus for a magnetic recording disc |
| 03/16/1982 | US4320422 File protect sleeve |
| 03/16/1982 | US4320421 Rotary actuator for file protect function |
| 03/16/1982 | CA1120151A1 Magnetic recording tape cartridge |
| 03/16/1982 | CA1120150A1 Cooling apparatus for spinning magnetic disc memory apparatus |
| 03/16/1982 | CA1120019A1 Tape cassette |
| 03/09/1982 | US4319291 Magnetic tape apparatus and method |
| 03/09/1982 | US4319288 Current injection tapped delay line spectral shaping equalizer and differentiator |
| 03/09/1982 | CA1119562A1 Magnetic tape cassette container support |
| 03/04/1982 | WO1982000731A1 Non-abrasive magnetic head cleaning system |
| 03/02/1982 | US4318147 Magnetic card recording and/or reproducing apparatus |
| 03/02/1982 | US4317603 Video storage rack |
| 03/02/1982 | CA1119296A1 Information signal recording medium of the rotary type |
| 02/23/1982 | US4317150 Foil recording disk structures |
| 02/23/1982 | US4317142 Electronic gain and noise control for recording of analog information |
| 02/23/1982 | US4317131 System and method for reproducing pictures and related audio information |
| 02/23/1982 | US4316590 Tape cassette |
| 02/23/1982 | US4316589 Spool hub for tape cartridges or the like |
| 02/23/1982 | US4316539 Video disc caddy |
| 02/23/1982 | CA1118700A1 Print element |
| 02/10/1982 | EP0045327A1 Apparatus for detecting the end of a magnetic tape |
| 02/09/1982 | US4315294 Computer tape drive and cleaner apparatus |
| 02/09/1982 | US4315288 Disk housing for disk mass storage unit including integral means for reducing temperature differentials among disks |
| 02/09/1982 | US4315277 Non-linear aperture correction circuit having a signal bypass arrangement |
| 02/09/1982 | US4314637 Case for packing a tape cassette or the like |
| 02/03/1982 | EP0045186A1 Method and device for use in tape recording |
| 02/03/1982 | EP0045120A1 Apparatus suitable for use in removing or reducing a crease or tangle in a magnetic recording tape of a cassette |
| 02/03/1982 | EP0045085A2 Magnetic recording tape cartridge |
| 02/03/1982 | EP0045084A2 Magnetic recording tape cartridge |
| 02/03/1982 | EP0045083A2 Magnetic recording tape cartridge |
| 02/03/1982 | EP0045082A2 Magnetic recording tape cartridge |
| 02/03/1982 | EP0044840A1 Information carrying discs. |
| 02/02/1982 | US4314372 Methods and means for producing and reproducing transmitted or recorded sound or video signals |
| 02/02/1982 | US4314299 Pad assembly for use in a magnetic tape cassette |
| 02/02/1982 | US4314293 Spiral data cartridge carousel and positioning mechanism |
| 02/02/1982 | US4313978 Antistatic compositions and treatment |
| 01/27/1982 | EP0044345A1 Process for making video and similar discs. |
| 01/26/1982 | US4313144 Tape cassette having internal drive with speed adjustment |
| 01/26/1982 | US4312548 Drawer unit for storing cases normally containing magnetic tape cassettes |
| 01/26/1982 | CA1117090A1 Tape cassette |
| 01/20/1982 | EP0044242A1 Handle for a magnetic disk cartridge |
| 01/20/1982 | EP0044087A2 Scanning type magnetic cassette |
| 01/19/1982 | US4312021 Cassette apparatus and method for retaining selected segments of tape |
| 01/19/1982 | US4312013 Non-linear aperture correction circuit |
| 01/19/1982 | US4311286 Fixed reel type endless tape cassette |
| 01/19/1982 | CA1116750A1 Video record package |
| 01/12/1982 | US4310378 Tape splicing machine, in particular for magnetic tapes for loading into cassettes |
| 01/08/1982 | EP0044345A4 Process for making video and similar discs. |
| 01/07/1982 | WO1982000028A1 Two piece reel |
| 01/07/1982 | WO1982000026A1 Method and apparatus for automatically loading tape cartridges with supply tape |
| 01/06/1982 | EP0043016A1 Reel container of synthetic material for magnetic tapes |
| 01/06/1982 | EP0042986A2 Web transport apparatus and method of threading such apparatus |
| 01/05/1982 | US4309456 Atomizing in air, spraying |
| 01/05/1982 | US4309002 Mechanism for preventing loosening of magnetic recording tape of tape cassette |
| 12/30/1981 | EP0042475A1 Hub for tape reels |
| 12/30/1981 | EP0042407A1 Recording diskette having flocked-fiber wiping fabric and method of making |
| 12/29/1981 | US4307809 Tape cassette storage container |
| 12/29/1981 | US4307806 Integral foldable package |