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.:

US 8620581 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 31, 2013

Filed:

Mar. 27, 2008
Applicants:

In-one Joo, Daejeon, KR;

Sang-uk Lee, Daejeon, KR;

Jae-hoon Kim, Cheonan, KR;

Inventors:

In-One Joo, Daejeon, KR;

Sang-Uk Lee, Daejeon, KR;

Jae-Hoon Kim, Cheonan, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); G07C 3/00 (2006.01); G07C 5/00 (2006.01); G07C 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a method of performing time synchronization using a navigation device. The method includes: (a) performing time synchronization between a GPS satellite and a navigation device by receiving GPS signals by a navigation device from at least one GPS satellite; (b) establishing an interface between the navigation device and a time-using device; (c) setting conditions for transmitting time information to the navigation device; and (d) performing time synchronization between the navigation device and the time-using device by transmission of time information from the navigation device to the time-using device.


Find Patent Forward Citations

Joo, In-One. (2013). Time synchronization method for vehicles having navigation device (U.S. Patent No. 8620581). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8620581

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