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FR2639499A1
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programme selection control device (remote control), especially for a television set and television programme playback units containing such devices
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FR2623355A1
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Controlled access television system
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FR2568390A1
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Position change detector, especially for doors and windows
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FR2477737A1
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Opto-electronic keyboard for data processing system - contains matrix of lamps with logic circuits producing character codes and has no moving parts
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FR2477813A2
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HORIZONTAL SCAN CIRCUIT FOR TELEVISION RECEIVER
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FR2410906A1
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Push=pull power amplifier circuit - has two output and two control transistors with feedback circuit
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FR2407632A1
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TV receiver circuit for TV-game - has different regions of screen distinguished solely by differences in colour to prevent picture burn in
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FR2400605A1
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Combined cylinder lock and catch for furniture door - has grooved conical nose bolt engaged by leg of hair-clip spring
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