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. 01, 2019
Filed:
Sep. 06, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Tomohiro Tamura, Matsumoto, JP;
Koji Chindo, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/26 (2006.01); G04F 5/14 (2006.01);
U.S. Cl.
CPC ...
H03L 7/26 (2013.01); G04F 5/145 (2013.01);
Abstract
An atomic oscillator includes a gas cell encapsulating metal atoms, a coil disposed in a periphery of the gas cell, a laser source adapted to emit excitation light toward the gas cell, a heater adapted to heat the gas cell, and a wiring board adapted to supply the heater with power, and a plus line forming a plus current channel for the heater and provided to the wiring board, and a minus line forming a minus current channel for the heater and provided to the wiring board are disposed close to each other.