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Television receiver switching key has bar code reader for scanning printed bar codes identifying television programs for corresponding on-off switching
Television receiver switching key has bar code reader for scanning printed bar codes identifying television programs for corresponding on-off switching
The television receiver switching key has a bar code reader (A), for scanning printed bar codes identifying television programs provided by a printed television guide, coupled to an electronic evaluation device (C), for storing the corresponding program data, transmitted to the television receiver via a laser diode (D), for subsequent control of the on-off switching of the television receiver.
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