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.:
Date of Patent:
Oct. 13, 2020
Filed:
Jul. 09, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Jun Uehara, Fujimi, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/317 (2006.01); H03B 5/32 (2006.01); H03B 5/06 (2006.01); G06F 11/30 (2006.01); H03H 9/17 (2006.01); G06F 1/04 (2006.01); H03H 9/15 (2006.01);
U.S. Cl.
CPC ...
G01R 31/31727 (2013.01); G06F 1/04 (2013.01); G06F 11/30 (2013.01); H03B 5/06 (2013.01); H03B 5/32 (2013.01); H03H 9/17 (2013.01); H03H 2009/155 (2013.01);
Abstract
An oscillator includes a resonator, a circuit device that is electrically coupled to the resonator and generates a clock signal, and an output terminal that is electrically coupled to the circuit device and outputs the clock signal. The circuit device includes an abnormality detection circuit, and when an abnormal state is detected by the abnormality detection circuit, the circuit device changes a signal characteristic of the clock signal.