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:
Jan. 12, 2021
Filed:
Jan. 17, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Norio Nomura, Minowa-machi, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/00 (2006.01); G08B 19/00 (2006.01); G08B 21/00 (2006.01); H03B 5/32 (2006.01); H03B 5/04 (2006.01); H03L 7/099 (2006.01); H03L 7/087 (2006.01);
U.S. Cl.
CPC ...
H03B 5/32 (2013.01); H03B 5/04 (2013.01); H03B 2200/0018 (2013.01); H03B 2200/0088 (2013.01); H03L 7/087 (2013.01); H03L 7/0992 (2013.01);
Abstract
An oscillator includes a first resonator element, a first circuit element configured to oscillate the first resonator element to generate a first oscillation signal, a first package which is configured to house the first resonator element and the first circuit element, and has a mounting surface and a mounting terminal disposed on the mounting surface, a second resonator element an oscillation frequency of which is controlled based on the first oscillation signal, and a second package which houses the second resonator element and is provided with the second package mounted on the mounting surface of the first package.