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:
Nov. 02, 2010

Filed:

Dec. 16, 2009
Applicants:

Takamoto Watanabe, Nagoya, JP;

Shigenori Yamauchi, Nisshin, JP;

Inventors:

Takamoto Watanabe, Nagoya, JP;

Shigenori Yamauchi, Nisshin, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The even-number-stage pulse delay includes a ring delay line constituted of an even number of inverter circuits connected in a ring around which main edge and a reset edge circulate together. The even-number-stage pulse delay is provided with an operation monitoring section configured to detect whether or not the main and reset edges are circulating around the ring delay line.


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