Vehicle laser radar system

Details Vehicle laser radar system Vehicle laser radar system

1996-04-10

1998-11-10

Hellner, Mark

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 401, G01C 308

Patent

active

058352031

ABSTRACT:
In a vehicle laser radar system capable of performing both distance measurements and information communication, only one laser diode is required. A light beam output by a first light emitting section (10) is split and applied through an optical cable to a second light emitting section (14), so that the light beam thus split is emitted from the second light emitting section. A control unit places the laser diode in an operating state for a predetermined period of time, and, when the laser diode is in an operating state, chooses between distance measuring data or communicating data alternately, and causes the laser diode to emit a light pulse according to the data thus chosen.

REFERENCES:
patent: 5249027 (1993-09-01), Mathur et al.
patent: 5475494 (1995-12-01), Nishida et al.
patent: 5546086 (1996-08-01), Akuzawa et al.
patent: 5563787 (1996-10-01), Nurayama
patent: 5565870 (1996-10-01), Fukuhara et al.

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