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:
Jun. 02, 2020
Filed:
May. 12, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/36 (2006.01); H03B 1/02 (2006.01); H01L 41/04 (2006.01); H03B 5/32 (2006.01);
U.S. Cl.
CPC ...
H03B 1/02 (2013.01); H01L 41/042 (2013.01); H03B 5/326 (2013.01); H03B 5/364 (2013.01); H03B 5/366 (2013.01);
Abstract
An oscillator includes an external terminal, a resonator, and an oscillation circuit that oscillates the resonator. The oscillation circuit includes an amplification circuit and a current source that supplies a current to the amplification circuit, and the current is variably set according to a control signal input from the external terminal.