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:
Feb. 23, 1993
Filed:
Jan. 28, 1992
Haruto Yano, Hiroshima, JP;
Yoshiaki Hirasa, Hiroshima, JP;
Toshimichi Tokunaga, Hiroshima, JP;
Katsuro Hayami, Hyogo, JP;
Norihiro Naito, Hyogo, JP;
Teruki Akamatsu, Hyogo, JP;
Hirofumi Goto, Hyogo, JP;
Kazuhiro Yokouchi, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A navigation system for a movable body wherein a moving locus of the movable body displayed on a screen of display means can be identified readily and clearly from a map displayed on the screen to prevent misunderstanding of the map. The system comprises a map storage device in which a map is stored, a current position detecting device for detecting a current position of the movable body, a locus storage memory for storing therein a locus of the movable body provided by successively detected ones of the current position, a display unit having a screen, and a switching device for the switching between a mode in which the map from the map storage device, a current position and a locus of the movable body from the current position detecting device and the locus storage device are displayed on the screen and a second mode in which the map and the current position are displayed on the screen but the locus is not displayed on the screen. The navigation system further has a function of causing a locus to be displayed on the screen in accordance with a scale of a map displayed on the screen.