Radio-frequency receiver with alphanumeric transmitter scale
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Circuit arrangement in a television set with multi-channel sound reproduction
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Device and circuit arrangement for signal type identification in multi-tone signals
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Video recorder for stereo sound recording
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Optical reader with light pen
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Audio/video home system
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Television receiving system with video recorder
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Television receiving system with picture display monitor and separate receiving section
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Loudspeaker enclosure or combination for stereo reproduction
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Switchable audio IF amplifier for television receivers
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Flyback converter switched-mode power supply having an expanded control range
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Program sequence control in a multi-program language-teaching system
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Circuit arrangement for utilising a two-channel television sound reproduction in television receivers with single-channel sound transmission system
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Electronic control circuit
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Programme sequence control in a multi-programme language teaching system
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Changeover circuit for mains supply - comprises combination of rectifier with electronic flip=flop with threshold values for rising and falling mains voltage
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Transmitter identification system for HF receiver - displays stored transmitter data after automatic or manual tuning
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Electronic cycle control system for tape cassette units - has operational sequence entered into memory from keyboard with access controlled by tape cycle counter
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Multiple utilisation circuit for alphanumeric opto-electronic display - supplies digital and/or analog signal to data converter, concerning HF receiver or amplifier combination
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Tube for TV receiver - is mounted from front of TV housing whilst other components are mounted on rear plate
