Patents
Patents for G11B 9 - Recording or reproducing using a method or means not covered by one of the main groups; Record carriers therefor (3,522)
06/1977
06/21/1977US4031546 Disc player and stylus therefor
06/21/1977US4030835 Defect detection system
04/1977
04/19/1977US4018984 Video disc record having spirally aligned sync storage locations
04/19/1977US4018945 Glow discharging in air
03/1977
03/22/1977US4013830 Video disc stylus
01/1977
01/18/1977US4004080 Metal coating for video discs
01/04/1977US4001493 Single lens, multi-beam system and method for high resolution recording of information on a moving recording medium and article
11/1976
11/30/1976US3995281 Recording head for a recording device utilizing electrosensitive recording paper
11/23/1976US3993863 Disc record groove skipper
09/1976
09/21/1976US3982066 Metal coating for video discs
09/14/1976US3981018 Thermoplastic recorder with a heating support
08/1976
08/24/1976US3977009 Information recording with an organic compound capable of assuming two or more convertible stable aggregation states
07/1976
07/20/1976US3970317 Apparatus for inhibiting a plurality of disc records from being disposed on a turntable and grounding a disc record disposed on the turntable
07/13/1976US3969756 Color-picture/multichannel-sound record and recording/playback apparatus and methods therefor
06/1976
06/15/1976US3963861 Disc record groove skipper apparatus
05/1976
05/18/1976US3958251 Electrographic printing system utilizing multiple offset styli
05/11/1976US3956581 Pickup arm apparatus
04/1976
04/20/1976US3952145 Pickup arm cartridge apparatus
03/1976
03/09/1976US3943302 Electron beam recording in thick materials
03/09/1976US3943276 Record tracking pickup structure for a capacitive disc
02/1976
02/24/1976US3940574 Reproduction of information from information-bearing discs
02/17/1976US3938810 Center hole formation in an information storing disc
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