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:
Oct. 14, 2014
Filed:
Dec. 07, 2012
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Taku Aoyama, Setagaya, JP;
Tetsuya Takahashi, Okaya, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 1/06 (2006.01); G04F 5/14 (2006.01); H03B 17/00 (2006.01);
U.S. Cl.
CPC ...
H03B 17/00 (2013.01); G04F 5/14 (2013.01);
Abstract
An atomic oscillator, a control method of the atomic oscillator and a quantum interference apparatus are provided in which high frequency stability can be maintained even though EIT signal intensity changes.