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:
May. 14, 2002
Filed:
Feb. 14, 1997
Gaku Sone, Tokyo, JP;
Nissan Motor Co., Ltd., Kanagawa, JP;
Abstract
In method and apparatus for displaying a road map mesh in a form of a bird's eye view on a display screen of a display unit, a virtual viewpoint at an upper sky behind a predetermined point of display reference (such as a present position of a mobile body, e.g., a vehicle) by a predetermined spatial distance is set, a part of the plan view formed road map mesh Z which is ahead of the predetermined display reference point is looked down along a line of sight along a predetermined looking down angle, the display screen Y is set on a plane vertical to the line of sight, the road map data on the plan view formed road map mesh corresponding to respective pixles on the display screen Y are extracted, and the bird's eye view on the display region X for the bird's eye view on the plan view formed road map mesh Z on the display screen Y on the basis of the extracted road map data.