Testing thereof

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G11B3/687

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GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B3/00Recording by mechanical cutting, deforming or pressing

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G11B3/687Testing thereof

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Patents Grantslast 30 patents

Information Patent Grant
Method for evaluating distortions in video disc recordings
- Patent number 4,455,633
- Issue date Jun 19, 1984
- RCA Corporation
- Istvan Gorog
- G11 - INFORMATION STORAGE
Information Patent Grant
Phonograph record eccentricity tester
- Patent number 4,164,075
- Issue date Aug 14, 1979
- Capitol Records, Inc.
- Csaba K. Hunyar
- G11 - INFORMATION STORAGE
Information Patent Grant
Detector for distinguishing between recorded and unrecorded bands o...
- Patent number 4,079,261
- Issue date Mar 14, 1978
- Minnesota Mining and Manufacturing Company
- John T. Mullin
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents