Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-05-30
1976-12-14
Olms, Douglas W.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 79D, 324186, H04M 308
Patent
active
039977404
ABSTRACT:
A pulse train analyzer utilizing digital clock frequencies corresponding to the minima and maxima of the acceptable performance ranges provides a pass-fail visual indication depending upon whether the pulses are uniform, and the speed and percent break figures are within the specified ranges.
REFERENCES:
patent: 2684409 (1954-07-01), Kessler
patent: 2857484 (1958-10-01), Culbertson
patent: 3537003 (1970-10-01), Planta et al.
patent: 3603745 (1971-09-01), Mann
patent: 3603746 (1971-09-01), Heick et al.
patent: 3735263 (1973-05-01), Boatwright
patent: 3766323 (1973-10-01), Wittman
Eubank Carol Hewitt
Mimna Charles Ronald
Bell Telephone Laboratories Incorporated
Newman Harry L.
Olms Douglas W.
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