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:
Jul. 07, 2020

Filed:

Aug. 08, 2018
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Teppei Higuchi, Chino, JP;

Katsuhiko Maki, Chino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 19/5614 (2012.01); G01C 19/5649 (2012.01); G01C 19/5628 (2012.01); H03B 5/04 (2006.01);
U.S. Cl.
CPC ...
G01C 19/5614 (2013.01); G01C 19/5628 (2013.01); G01C 19/5649 (2013.01); H03B 5/04 (2013.01);
Abstract

A circuit device includes a clock signal generation circuit that generates a clock signal through an oscillation circuit, and a detection circuit including a circuit operating through an operation signal based on the clock signal. The clock signal generation circuit includes a first frequency adjustment unit which is capable of adjusting an oscillation frequency before an physical quantity transducer and the circuit device are connected to each other, and a second frequency adjustment unit which is capable of adjusting the oscillation frequency in a state where the physical quantity transducer and the circuit device are connected to each other.


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