ELECTRONIC CHOPPER SYSTEM FOR USE IN FACSIMILE COMMUNICATION COMPRISING MEANS FOR ALTERNATELY GROUNDING AND UNGROUNDING INPUTS OF AMPLIFIER

An electronic chopper circuit for use in converting variable amplitude direct current signals to pulsed signals of similar characteristics. In conjunction with a facsimile scanning system, the modulated electrical signals generated by a photoelectric cell are applied to a differential amplifier afte...

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Bibliographische Detailangaben
1. Verfasser: VIRGIL H. KONING
Format: Patent
Sprache:eng
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