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:
May. 14, 2019
Filed:
Nov. 09, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Noriaki Tanaka, Chino, JP;
Koji Chindo, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 1/02 (2006.01); H03L 7/26 (2006.01); H01S 5/022 (2006.01); G04F 5/14 (2006.01);
U.S. Cl.
CPC ...
H03L 7/26 (2013.01); G04F 5/145 (2013.01); H01S 5/02296 (2013.01); H03L 1/02 (2013.01);
Abstract
An atomic oscillator includes at least a gas cell that has metal atoms sealed therein, a coil that is disposed in a vicinity of the gas cell, a first magnetic shield that accommodates the gas cell and the coil therein, a second magnetic shield that accommodates a heater heating the gas cell, a first temperature sensor detecting a temperature of the gas cell, and the first magnetic shield therein, and a temperature adjustment unit and a second temperature sensor that are disposed outside the second magnetic shield.