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:
Dec. 29, 2009

Filed:

Mar. 19, 2008
Applicants:

Satoshi Shiraki, Toyohashi, JP;

Hiroyuki Ban, Hazu-gun, JP;

Junichi Nagata, Nukata-gun, JP;

Inventors:

Satoshi Shiraki, Toyohashi, JP;

Hiroyuki Ban, Hazu-gun, JP;

Junichi Nagata, Nukata-gun, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A level shift circuit includes a first capacitor circuit including capacitors connected in series between a ground and a predetermined potential, a first trigger circuit coupled to the predetermined potential side of the first capacitor circuit, an input terminal coupled to the ground side of the first capacitor circuit, a second capacitor circuit including capacitors connected in series between the ground and the predetermined potential, a second trigger circuit coupled to the predetermined potential side of the second capacitor circuit, an inverter coupled between the input terminal and the ground potential side of the second capacitor circuit, and a SR latch circuit having a first input coupled to an output of the first trigger circuit and a second input coupled to an output of the second trigger circuit.


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