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:
Apr. 14, 2009

Filed:

Apr. 28, 2005
Applicants:

Andrew S. DE Silva, Torrance, CA (US);

Maung W. Han, Torrance, CA (US);

Inventors:

Andrew S. de Silva, Torrance, CA (US);

Maung W. Han, Torrance, CA (US);

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

A navigation system is designed to scale a map image such that a redrawn map image shows an icon of the most relevant object at a center of a cursor when the scale of the map image is changed so that the user will not lose sight of the most relevant object such as an icon showing a destination. The navigation system prioritizes an icon representing a particular object based on a predetermined priority order and changes the position of the map image so that the icon of the highest priority comes to the center of the cursor when the map scale is changed. Thus, the icon of the highest priority always remains at the center of the cursor, thereby preventing from loosing the sight of the icon of the highest priority when zooming in the map image.


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