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. 12, 2020
Filed:
Mar. 07, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Nobuhito Hayashi, Chino, JP;
Koji Chindo, Chino, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04F 5/14 (2006.01); H03B 17/00 (2006.01); H01S 1/06 (2006.01); H03L 7/26 (2006.01);
U.S. Cl.
CPC ...
G04F 5/14 (2013.01); G04F 5/145 (2013.01); H01S 1/06 (2013.01); H03B 17/00 (2013.01); H03L 7/26 (2013.01);
Abstract
An atomic oscillator includes: a light source; an atom cell containing a gaseous alkali metal atom, and a nitrogen- and argon-containing buffer gas, and through which light from the light source passes; a photodetector that detects light having passed through the atom cell; and a container containing only a mixed gas containing nitrogen and argon, and housing the atom cell.