Communications infrasturcture system for vehicles

Details Communications infrasturcture system for vehicles Communications infrasturcture system for vehicles

1995-08-08

1998-07-21

Lefkowitz, Edward

Communications: electrical

External condition vehicle-mounted indicator or alarm

Highway information

340991, 701117, 455 541, G08G 109

Patent

active

057840059

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.

REFERENCES:
patent: 4002983 (1977-01-01), Kavalir et al.
patent: 4229724 (1980-10-01), Marcus
patent: 4962457 (1990-10-01), Chen et al.
patent: 5289183 (1994-02-01), Hassett et al.
patent: 5444742 (1995-08-01), Grabow et al.
Patent Abstracts of Japan, vol. 18, No. 300 (P-1750), Jun. 8, 1994 & JP-A-06 060 293 (MEITEC), Mar. 4, 1994.

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