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Publication of CS151580B2publicationCriticalpatent/CS151580B2/cs
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