| 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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| 09/05/1978 | US4111502 Automobile tape storage case |
| 09/05/1978 | US4111308 Cassette tape cartridge holder |
| 08/29/1978 | US4110805 Magnetic tape cassette with oppositely inclined guide members flanking the recording/reproducing station |
| 08/29/1978 | US4109878 Cassette tape winding apparatus |
| 08/29/1978 | CA1037603A1 Cartridge tape player system having reverse and fast-forward nodes of operation |
| 08/22/1978 | US4108398 Magnetic recording tape cartridge |
| 08/22/1978 | US4108365 Coin-operated recording machine |
| 08/22/1978 | US4107810 Magnetic disc cleaning machine |
| 08/22/1978 | CA1036991A1 Tape cassette hub retainers |
| 08/15/1978 | US4107478 Angle modulated wave demodulation system |
| 08/15/1978 | US4106724 Tape cassette |
| 08/15/1978 | CA1036568A1 Magnetic tape cartridge with removable tape spool |
| 08/08/1978 | US4106067 Magnetic head cleaning jacket |
| 08/08/1978 | US4106066 Magnetic disc cartridge |
| 08/08/1978 | US4105945 Active load circuits |
| 08/08/1978 | US4105936 Variable speed tape transport apparatus |
| 08/01/1978 | US4104686 Tape cassette with reel to reel and endless tapes |
| 07/25/1978 | US4102516 Tensioning means for belt driven tape cassette |
| 07/25/1978 | US4102515 Tape cassette |
| 07/25/1978 | US4102514 Miniature tape cassettes |
| 07/25/1978 | US4102452 Storage case |
| 07/18/1978 | US4101948 Method for cleaning flexible magnetic discs |
| 07/18/1978 | US4101096 Magnetic tape cassette |
| 07/18/1978 | US4101030 Cassette |
| 07/04/1978 | US4098402 Modular type cartridge storage |
| 06/27/1978 | US4097006 Magnetic tape cassette |
| 06/20/1978 | US4096538 Tape support pins in magnetic tape cassette |
| 06/20/1978 | US4096079 Halogenated solvent, tetrafluoroethylene telomer, antistatic agent |
| 06/06/1978 | US4093967 Magnetic tape cassette |
| 06/06/1978 | US4093152 Disc caddy and disc player system therefor |
| 06/06/1978 | US4093151 Web transporting apparatus and web cartridges |
| 05/30/1978 | US4092687 Disc file assembly |
| 05/30/1978 | US4092678 Bias setting method for magnetic recording-reproducing apparatus |
| 05/23/1978 | US4091454 Self-centering disk having an eccentric elliptical-shaped center locating hole |
| 05/23/1978 | US4091426 Device for detecting an end of a cassette tape |
| 05/23/1978 | US4091168 Leader for magnetic recording tape having coextensive flexible layers with metal laminated therebetween |
| 05/23/1978 | US4090680 Web leader, web winding methods and wound web with leader |
| 05/23/1978 | US4090609 Handle assembly for disk cartridges and the like |
| 05/16/1978 | US4089488 Tape transport apparatus |
| 05/16/1978 | US4089414 Base guard for disc memory cartridge pack |
| 05/09/1978 | US4088278 Reel for magnetic recording tape |
| 05/02/1978 | US4087845 Tape pad support assembly for use in magnetic tape cassettes |
| 05/02/1978 | US4087145 Magnetic tape cartridge case with biasing means |
| 05/02/1978 | US4087138 Dispensing cabinet |
| 04/25/1978 | US4085907 Magnetic tape magazine |
| 04/18/1978 | US4084865 Utility container |
| 04/18/1978 | US4084824 Device to assist in holding a playing record to clean the same and the method of using the same |
| 04/18/1978 | US4084694 Container for video discs |
| 04/18/1978 | US4084540 Apparatus for applying lubricating and protective film to phonograph records |
| 04/11/1978 | US4084201 Magnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude control |
| 04/11/1978 | US4084200 Magnetic disc cartridge |
| 04/11/1978 | US4083509 Reel for magnetic recording tape |
| 04/11/1978 | US4083508 Tape storage reel with insert for decreasing tape storage capacity |
| 04/11/1978 | US4083472 Tape cartridge with hinged housing sections |
| 04/11/1978 | US4083449 Reel container |
| 04/04/1978 | US4081878 Tape cleaning device |
| 03/28/1978 | US4081850 Portable tape player and tape container |
| 03/28/1978 | US4081845 Magnetic recording with bias and data mixing circuit |
| 03/28/1978 | US4081151 Stackable winding cores for magnetic tapes |
| 03/21/1978 | US4079979 Record grasping apparatus |
| 03/21/1978 | US4079499 Method for manufacturing tape recorder cassettes and cassette obtained thereby |
| 03/14/1978 | US4079431 Indicia display and audio storage cassette |
| 03/14/1978 | US4079429 Optical detector for magnetic fields employing feedback circuitry |
| 03/14/1978 | US4079427 Flexible magnetic disc recording technique |
| 03/14/1978 | US4078742 Magnetic tape cartridge |
| 03/14/1978 | US4078657 Tape cassette case |
| 03/07/1978 | US4078246 Holder for magnetic discs |
| 02/28/1978 | US4076186 Magnetic tape cassettes |
| 02/28/1978 | US4076119 Packaging tray for a videodisc |
| 02/21/1978 | US4075671 Automatic ac biasing of a magnetoresistive element |
| 02/21/1978 | US4074876 Long-play video tape cassette |
| 02/14/1978 | US4074282 Radiation-sensitive record with protected sensitive surface |
| 02/07/1978 | US4072992 Continuous loop tape cartridges |
| 02/07/1978 | US4072279 Belt drive for tape transport, with floating rotor drive pressure application |
| 01/31/1978 | US4071869 Assembling flexible disk record structures |
| 01/31/1978 | US4071862 Disc cartridge |
| 01/31/1978 | US4071460 For phonograph record surfaces |
| 01/24/1978 | US4069914 Shipping, storage and handling device for convolutely wound magnetic tape assemblies |
| 01/17/1978 | US4069508 Flexible magnetic disc recording system |
| 01/10/1978 | US4068271 Interchangeable magnetic storage element |
| 01/10/1978 | US4067629 Storage receptacle for magnetic tape cassette |
| 01/10/1978 | US4067563 Tape splicer |
| 01/03/1978 | US4066268 Disc recording provided with legible matter |
| 01/03/1978 | US4066221 Method of and apparatus for the tape loading and use of a single turntable in the rendition of a taped program |
| 12/27/1977 | US4065797 Multi-element magnetic head |
| 12/27/1977 | US4065075 Tape transport for a cassette |
| 12/20/1977 | US4063370 Tape cassettes having indications for blind use |
| 12/13/1977 | US4063295 Flexible magnetic disc recording technique |
| 12/13/1977 | US4063292 Integral retained file protect means |
| 12/13/1977 | US4062719 Apparatus for storing information material in cassettes |
| 12/13/1977 | US4062506 Tape cassette with features for preventing the tape from moving up or downwardly relative to the cassette |
| 12/06/1977 | US4061455 Apparatus for molding an insert member in a frame member |
| 12/06/1977 | US4061341 Separators for spacing records |
| 12/06/1977 | US4061286 Automatic cassette loader |
| 12/06/1977 | US4061227 Shock and heat resistant storage unit |
| 11/29/1977 | US4060839 Flexible information storage disc |
| 11/15/1977 | US4058847 Or reading it |
| 11/15/1977 | US4058846 Grounded transducer for magnetic record disks |
| 11/08/1977 | US4057840 Flexible disc recording cartridge |
| 11/08/1977 | US4057305 Rotatable cassette holder |