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3906152
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Patent Grant
3906152
References
Source
Patent Number
3,906,152
Date Filed
Not available
Date Issued
Tuesday, September 16, 1975
48 years ago
CPC
H04N5/9315 - the level control being frequency dependent
H04N9/7933 - the level control being frequency-dependent
US Classifications
386 - Motion video signal processing for recording or reproducing
360 - Dynamic magnetic information storage or retrieval
369 - Dynamic information storage or retrieval
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