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:
Mar. 24, 1998

Filed:

Aug. 16, 1996
Applicant:
Inventor:

Motoyuki Akamatsu, Tsukuba, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08G / ;
U.S. Cl.
CPC ...
340988 ; 340905 ; 349 11 ; 349 13 ; 359547 ; 359552 ; 359436 ;
Abstract

A route guide system for making guidance of the traveling direction in the sight field of the driver during traveling. The road guide plate is provided in front of a turning point. This road guide plate emits light differing in flash timing according to the branching direction. The liquid crystal shutter is provided on the front glass of the vehicle equipped with the navigation system. When making road guidance, ON/OFF operation of the liquid crystal shutter is controlled by an MPU so that only the light of the light-emitting pattern corresponding to the traveling direction according to the traveling direction information of the turning point obtained from route searching toward the targeted location.


Find Patent Forward Citations

Akamatsu, Motoyuki. (1998). Route guide system and method (U.S. Patent No. 5731766). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5731766

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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