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:
Oct. 03, 2017
Filed:
Dec. 29, 2014
Applicant:
Baidu Online Network Technology (Beijing) Co., Ltd, Beijing, CN;
Inventors:
Feng Wang, Beijing, CN;
Zhitang Li, Beijing, CN;
Assignee:
BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01); G01C 21/36 (2006.01);
U.S. Cl.
CPC ...
G01C 21/34 (2013.01); G01C 21/3697 (2013.01);
Abstract
A method and apparatus for determining a reachable area based on a road network are provided. The method comprises: acquiring a current location of a user and a road network map; generating a road node map based on the road network map; searching on the road node map for a boundary point extending for a maximum travel distance starting from the current location of the user along a road; and determining a reachable area based on the searched boundary point.