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Connection method in video telephone set system
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Cancelling circuit and transmission system
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Color picture data generating system and displaying system
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IL88655D0
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Cancelling circuit for transmission telephone system
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Picture data transmitting system and displaying method
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Communication system and circuit therefor
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Cancelling circuit and transmission system
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Modulator-demodulator system and its circuit
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Transmission system
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Transmission method and transmission system
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Transmission method and transmission system
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Transmission method and system
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Method and device for image pickup
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Confirming method for user in modem communication
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Method of confirming user in modem communications and its system
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User confirmation method for modem communication and confirmation system thereof
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Connecting procedure and apparatus for communication among computers having security function
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