Interactive vehicular communication system, particular...

Details Interactive vehicular communication system, particular... Interactive vehicular communication system, particular...

2005-08-05

2010-02-02

Curs, Nathan M (Department: 2613)

Optical communications

Optical communication over freee space

Transceivers

C398S118000, C398S130000

Reexamination Certificate

active

07657184

ABSTRACT:
An interactive vehicle communication system, particularly for communication between motor vehicles, comprises a communication device (2) which may be placed on a stationary support (3) or a vehicle (4) traveling on a roadway and a receiver device (5), which may be placed on a stationary support (3) or a vehicle (4′) traveling on a roadway and interacts with said communication device (2). The communication device (2) comprises first means (6) for interfacing with external data detection and/or generation means, emitter means (9) for generating and emitting a visible light-emitting laser beam (8) with predetermined solid angle (a) and range, digitizing means (7) for digitizing said laser beam (8) and control means (10) for appropriately conforming and orienting said laser beam (8), to allow it to selectively interact with vehicle driving in a predetermined drive direction, excluding the other vehicles driving in the opposite drive direction. The receiver device (5) comprises: receiving means (11) for receiving said laser beam (8) and second means for interfacing (12) with external transducer means.

REFERENCES:
patent: 3112004 (1963-11-01), Neaville
patent: 4921468 (1990-05-01), Miwa
patent: 5835203 (1998-11-01), Ogura et al.
patent: 2004/0067787 (2004-04-01), Terashima et al.
patent: 2628586 (1989-09-01), None
patent: 2326298 (1998-12-01), None

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