Title: Computing apparatus

Abstract: Computing apparatus for producing a digital output equal to ##EQU1## where N.sub.1 is a preset digital factor and V.sub.1 and V.sub.2 are analogue input signals. The apparatus includes a pulse generator arranged to receive in turn each of the signals V.sub.1 and V.sub.2 and to generate pulses at a frequency proportional to the magnitude of the signal, a counter for counting pulses received from the generator, timing means for measuring the time T taken for the count in the counter to reach the value N.sub.1 when signal V.sub.1 is applied to the pulse generator, means for resetting the counter, and means for extracting the count in the counter after a time equal to time T has elapsed during a counting operation with signal V.sub.2 applied to the pulse generator.

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Inventors: Corsi, Gianfranco
Watson, George Michael

Application Number: 456897
Filing Date: 1974-04-01
Publication_date: 1976-03-09
Assignee:
Primary Class(es): 708/101 377/39, 377/47, 708/103
Other Classes:
US Patent Ref:

3103578	Sep, 1963	Dietric, Jr.	235/150.
3600563	Aug, 1971	Porter et al.	235/150.
3609326	Sep, 1971	Bagley	235/92.
3681586	Aug, 1972	Kitaura	235/194.
3739156	Jun, 1973	Gebelei, Jr. et al.	235/150.

Other Refs:
Primary Examiner: Ruggiero, Joseph F.
Assistant Examiner:
Attorney: Rosen; Alfred H., Steinhilper; Frank A.