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3691317
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Information
Patent Grant
3691317
References
Source
Patent Number
3,691,317
Date Filed
Not available
Date Issued
Tuesday, September 12, 1972
52 years ago
CPC
G11B3/445 - Styli particularly adapted for sensing video discs
G11B9/00 - Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00 Record carriers therefor
US Classifications
369 - Dynamic information storage or retrieval
G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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