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Crosspoint matrix
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Patent number 5,355,370
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Issue date Oct 11, 1994
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The Grass Valley Group, Inc.
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Jon A. Fairhurst
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Inverse hyperbolic comb filter
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Patent number 5,270,803
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Issue date Dec 14, 1993
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The Grass Valley Group, Inc.
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Jon A. Fairhurst
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Method of encoded video decoding
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Patent number 5,012,329
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Issue date Apr 30, 1991
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Dubner Computer Systems, Inc.
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Stuart E. Lang
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H04 - ELECTRIC COMMUNICATION TECHNIQUE