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:
Jan. 04, 2022
Filed:
Oct. 17, 2019
Applicant:
Sitime Corporation, Santa Clara, CA (US);
Inventors:
Markus Lutz, Mountain View, CA (US);
Sassan Tabatabaei, Sunnyvale, CA (US);
Charles I. Grosjean, Los Gatos, CA (US);
Paul M. Hagelin, Saratoga, CA (US);
Aaron Partridge, Cupertino, CA (US);
Assignee:
SiTime Corporation, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 56/00 (2009.01); H04W 40/24 (2009.01); B81B 7/02 (2006.01); G06F 7/58 (2006.01); H04W 88/08 (2009.01);
U.S. Cl.
CPC ...
H04W 56/0015 (2013.01); B81B 7/02 (2013.01); G06F 7/582 (2013.01); H04W 40/244 (2013.01); H04W 88/085 (2013.01);
Abstract
In various time-transfer systems, one or more fixed-position time beacons broadcast radio-frequency (RF) time-transfer messages to time-keeping modules disposed in remote radio heads and other strategic locations to achieve highly reliable and accurate synchronized time, phase, and frequency transfer over a metropolitan or other wide-field area.