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.

Patent No.:

US 8400097 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 19, 2013

Filed:

Jan. 21, 2010
Applicant:

Kazumasa Takai, Kagamigahara, JP;

Inventor:

Kazumasa Takai, Kagamigahara, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/05 (2006.01); H02P 6/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The effect of chattering on the measurement of the pulse period is reduced. The pulse period representing the rise interval of target pulses appearing in a pulse signal PI is measured. The pulse signal PI is sampled in synchronization with a measurement clock CLK. Measurement of a designated inhibition period is started in synchronization with the fall of the signal PI. Measurement of the current pulse period is completed and measurement of a new pulse period is started if the inhibition period has elapsed at the rise of the signal PI. Counting of the current pulse period is continued if the inhibition period has not elapsed.


Find Patent Forward Citations

Takai, Kazumasa. (2013). Pulse period measurement method (U.S. Patent No. 8400097). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8400097

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