Title: Method of judging carriage position on different height roads
Application Number: 200610145177 Application Date: 2006.11.15
Publication Number: 1948911 Publication Date: 2007.04.18
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01C21/26;G01C21/34;G01C21/20;G01C5/00;G01S1/02;G01S5/02;G08G1/00;G08G1/123
Applicant(s) Name: Yitian Information Co., Ltd. Address:
Inventor(s) Name: Kong Dehua
Attorney & Agent: tangbao beng
Abstract:
    The invention relates to the method used to judge carrying tool road location with different height. It includes the following steps: supplying one eclectic map data contained the fist and second road with different height; setting entering area at the place entering the second road from the first road; receiving one carrying tool location information; judging whether it is in the entering area or not; if it is, the carrying tool is on the second road. Thus it can help navigation to exactly direct programming route.
Time: 8