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.

Date of Patent:
Jan. 29, 2013

Filed:

Dec. 29, 2009
Applicant:

Yi-chung Chao, San Jose, CA (US);

Inventor:

Yi-Chung Chao, San Jose, CA (US);

Assignee:

Telenav, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/26 (2006.01); G06F 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of operation of a navigation system includes: calculating a safe speed for a travel path; calculating a user's speed along the travel path; and calculating a difference value between the user's speed and the safe speed for displaying on a device.


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