Method and apparatus for measuring time intervals between electr

Details Method and apparatus for measuring time intervals between electr Method and apparatus for measuring time intervals between electr

1997-05-13

1999-11-09

Roskoski, Bernard

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

G04F 800

Patent

active

059827122

ABSTRACT:
A method and apparatus for measuring time intervals between electrical signals. A coincidence detection circuit is adapted to detect coincidence or near coincidence of two signals and to provide for selection from a plurality of predetermined delays to remove the coincidence. If the two input signals are periodic and have the same frequency, the apparatus also provides a signal from which both the time delay between the signals and the period of the signals may be determined at substantially the same point in time.

REFERENCES:
patent: 4433919 (1984-02-01), Hoppe
patent: 4600994 (1986-07-01), Hayashi
patent: 4603292 (1986-07-01), Russell
patent: 4613951 (1986-09-01), Chu

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