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Equalizer used for a VTR
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Patent number 5,631,997
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Issue date May 20, 1997
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Sanyo Electric Co., Ltd.
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Fukuji Anzai
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G11 - INFORMATION STORAGE
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Drop out compensation circuit
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Patent number 5,317,414
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Issue date May 31, 1994
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Sanyo Electric Co., Ltd.
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Yoshitaka Shindo
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Head amplifier
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Patent number 5,184,090
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Issue date Feb 2, 1993
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Sanyo Electric Co., Ltd.
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Fukuji Anzai
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G11 - INFORMATION STORAGE