Electricity: measuring and testing – Electrical speed measuring – Including 'event' sensing means
Patent
1978-01-17
1979-09-18
Tokar, M.
Electricity: measuring and testing
Electrical speed measuring
Including 'event' sensing means
324 83D, G04F 800
Patent
active
041684672
ABSTRACT:
A method and apparatus are disclosed for measuring the duration of unknown pulses in which measurement resolution is determined from adjacent first and second clock pulse frequencies provided by continuously running oscillators in which the first clock pulses trigger the unknown pulses, and the second clock pulses occurring within the unknown pulses are counted to measure unknown pulse duration.
REFERENCES:
patent: 2665410 (1954-01-01), Burbeck
patent: 3325750 (1967-06-01), O'Hern et al.
patent: 3611134 (1971-10-01), McDowell
Bailey Andrew T. J.
Vanlint Roy W.
O'Connell Robert F.
Tokar M.
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