Fundamental frequency and period detector

Details Fundamental frequency and period detector Fundamental frequency and period detector

1992-08-20

1994-06-14

Arana, Louis

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

364484, G01R 2316

Patent

active

053213505

ABSTRACT:
Fundamental frequency and period detector processes and systems which determine the end of a cycle of an ac waveform by using the characteristic of the integral of a single cycle of an ac waveform that the value of the integral at the end of the cycle is the same as at the cycle start despite cycle noise, multiple zero crossings and other cycle obscuration. These processes and systems use the cycle integral to self-synchronize with each cycle of an ac waveform. Formation of the cycle integral of each processed cycle is a useful by-product of the frequency and period detection processes and systems.

REFERENCES:
patent: 4202237 (1980-05-01), Hakansson
patent: 4319329 (1982-03-01), Girgis et al.
patent: 4377961 (1983-03-01), Bode
patent: 4457203 (1984-07-01), Schoenberg et al.
patent: 4644268 (1987-02-01), Malka et al.
patent: 4678987 (1987-07-01), Bauk
patent: 4771671 (1988-09-01), Hoff, Jr.
"Musical Applications of Microprocessors" by Hal Chamberlin 1985 pub. Hayden Book Company 9 pages (month of publication unknown).
"Digital Processing of Speech Signals", by Rabiner, L. R. 1978 pub. by Prentice-Hall Internation, Inc., London pp. 135-143 (month unknown).
"BYTE" Dec. 1989 p. 266.

Affiliated with

Also associated with

Rating

Fundamental frequency and period detector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fundamental frequency and period detector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fundamental frequency and period detector will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1251879