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:
Feb. 25, 2025
Filed:
Nov. 18, 2021
Applicant:
Institute of Geology and Geophysics, the Chinese Academy of Sciences, Beijing, CN;
Inventors:
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04R 20/14 (2013.01); G04F 5/14 (2006.01); G04R 40/00 (2013.01); H04W 56/00 (2009.01);
U.S. Cl.
CPC ...
G04R 20/14 (2013.01); G04F 5/14 (2013.01); G04R 40/00 (2013.01); H04W 56/0035 (2013.01);
Abstract
Provided is a wireless time servicing method, device and system. The wireless time servicing method includes: obtaining absolute time information sent by an external clock source; correcting a system time of a master station according to the absolute time information; broadcasting path information to a slave station; receiving feedback from the slave station in response to the path information, calculating a transmission path delay between the master station and the slave station, and storing the transmission path delay in the time information; and sending the time information to the slave station.