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:
Dec. 15, 2020
Filed:
Nov. 13, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 1/06 (2006.01); H03B 17/00 (2006.01); H03L 7/26 (2006.01); G04F 5/14 (2006.01); H03L 1/04 (2006.01);
U.S. Cl.
CPC ...
H03L 7/26 (2013.01); G04F 5/145 (2013.01); H03L 1/04 (2013.01); H03B 17/00 (2013.01);
Abstract
An atomic oscillator includes an atom cell that accommodates an alkali metal atom, a heating device that heats the atom cell, a container that includes a first magnetism shielding member that is disposed between the heating device and the atom cell and a second magnetism shielding member that is disposed on the side opposite the atom cell with respect to the heating device to shield the atom cell from magnetism produced by the heating device, and a thermally insulating member disposed between the first member and the second member.