The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 04, 1985

Filed:

Apr. 08, 1982
Applicant:
Inventors:

Luther L Genuit, Scottsdale, AZ (US);

John R Nowell, Phoenix, AZ (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
290 / ; 307 86 ; 361 52 ;
Abstract

This invention relates to device for detecting a threshold value of the frequency of an input signal. A gate signal is generated from the input signal, whose period has a relationship to the frequency of the input signal. A counter counts pulses from an oscillator having a predetermined rate. The gate signal enables the counter for a predetermined period of time and samples the count at the end of the period of time to determine whether the threshold value has been attained, the count stored in the counter being indicative of the frequency of the input signal.


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Genuit, Luther. (1985). Motor generator shutdown circuit for extended ridethrough (U.S. Patent No. 4521692). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4521692

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