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G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
G08C13/00—Arrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying
G08C13/02—Arrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying to yield a signal which is a function of two or more signals, e.g. sum or product
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Physics & Mathematics
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General Physics & Mathematics
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Arrangements For Transmission Of Measured Signals
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Radar Systems Or Details Thereof
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Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means
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Verfahren zur UEberwachung und Erfassung von auf Signalleitungen mit oder ohne zwischengeschalteten Verbindungseinrichtungen in wahlloser Folge anfallenden Signalimpulsen, insbesondere von Gebuehrenimpulsen in Fernsprechanlagen