Strobe light and laser beam detection for laser receiver

Details Strobe light and laser beam detection for laser receiver Strobe light and laser beam detection for laser receiver

2007-05-29

2007-05-29

Nguyen, Sang H. (Department: 2877)

Optics: measuring and testing

Position or displacement

C356S004010, C356S004080, C250S2140RC, C250S208200, C250S208500

Reexamination Certificate

active

10968643

ABSTRACT:
A laser receiver detects a thin beam of laser light and distinguishes between the beam of laser light and an omni-directional pulse of light from a strobe by the use of an additional photo-detector. The device takes into account the possibility that the additional photo-detector could be illuminated simultaneously with the main photo-detectors at the end of the main photo-detectors closest to the additional photo-detector.

REFERENCES:
patent: 4062634 (1977-12-01), Rando et al.
patent: 4240208 (1980-12-01), Pehrson
patent: 5100229 (1992-03-01), Lundberg et al.
patent: 6750953 (2004-06-01), Douglas
patent: 6873413 (2005-03-01), Douglas
patent: 7019278 (2006-03-01), Douglas
patent: 2003/0025902 (2003-02-01), Hedges et al.
patent: 2003/0058446 (2003-03-01), Douglas

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