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:
Sep. 29, 2015
Filed:
Mar. 31, 2014
Applicant:
Telenav, Inc., Sunnyvale, CA (US);
Inventors:
Xiang Liu, Sunnyvale, CA (US);
Kumar Maddali, San Ramon, CA (US);
Changzheng Jiang, Santa Clara, CA (US);
Assignee:
TELENAV INC., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/26 (2006.01); G01C 21/34 (2006.01); G01C 21/36 (2006.01); G08G 1/0968 (2006.01);
U.S. Cl.
CPC ...
G01C 21/34 (2013.01); G01C 21/26 (2013.01); G01C 21/3415 (2013.01); G01C 21/3682 (2013.01); G08G 1/0968 (2013.01); G01C 21/3667 (2013.01);
Abstract
A navigation system includes: a control unit configured to generate a navigation route; generate a route-specific point set based on the navigation route prior to an interest point query for representing a portion of an interest point database; and a storage unit, coupled to the control unit, configured to store the route-specific point set.