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Transmitting and receiving systems
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Patent number 4,888,788
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Issue date Dec 19, 1989
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Matsushita Electric Industrial Co., Ltd.
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Akio Teranishi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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GPS receiver
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Patent number 4,800,577
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Issue date Jan 24, 1989
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Matsushita Electric Industrial Co., Ltd.
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Ryobun Tachita
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G01 - MEASURING TESTING
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Diversity receiver
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Patent number 4,696,058
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Issue date Sep 22, 1987
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Matsushita Electric Industrial Co., Ltd.
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Ryobun Tachita
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H04 - ELECTRIC COMMUNICATION TECHNIQUE