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:
Jul. 21, 1998
Filed:
Aug. 08, 1995
Applicant:
Inventors:
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G / ;
U.S. Cl.
CPC ...
340905 ; 340991 ; 701117 ; 455 541 ;
Abstract
A communications infrastructure system for vehicles. The communications infrastructure system includes an infrastructure including a plurality of beacons sequentially positioned along a road wherein the beacons transmit respective ones of a repeated series of at least three kinds of signals. The communications infrastructure system also includes a communications apparatus provided with a vehicle, which communications apparatus comprises a receiver for receiving a signal transmitted by the beacons, a unit for discriminating the kind of signal, a memory for recording a past record of the kind of signal, and a signal generator generating a signal corresponding to the past record.