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Defect detecting apparatus
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Patent number 4,189,745
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Issue date Feb 19, 1980
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Matsushita Electric Industrial Co., Ltd.
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Fusao Ushio
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Drop out compensation device
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Patent number 4,032,966
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Issue date Jun 28, 1977
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U.S. Philips Corporation
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George Churchill Kenney
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Signal defect compensation
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Patent number 4,021,852
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Issue date May 3, 1977
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RCA Corporation
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Robert Norman Hurst
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G11 - INFORMATION STORAGE
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Defect compensation systems
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Patent number 3,969,759
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Issue date Jul 13, 1976
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RCA Corporation
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John Gordon Amery
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Drop out compensation system
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Patent number 3,949,416
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Issue date Apr 6, 1976
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Quantel Limited
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Anthony Donald Stalley
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3925605
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Patent number 3,925,605
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Issue date Dec 9, 1975
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3909518
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Patent number 3,909,518
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Issue date Sep 30, 1975
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3755621
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Patent number 3,755,621
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Issue date Aug 28, 1973
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3586762
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Patent number 3,586,762
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Issue date Jun 22, 1971
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3573359
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Patent number 3,573,359
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Issue date Apr 6, 1971
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H04 - ELECTRIC COMMUNICATION TECHNIQUE