Method and system for detecting retroreflectors

Details Method and system for detecting retroreflectors Method and system for detecting retroreflectors

2010-10-25

2011-11-08

Punnoose, Roy M (Department: 2886)

Optics: measuring and testing

Angle measuring or angular axial alignment

Alignment of axes nominally coaxial

Reexamination Certificate

active

08054456

ABSTRACT:
An optical device that may include a sighting portion including an optical axis; an electromagnetic beam source coupled to said sighting portion, electromagnetic beam source facilitates generating a source beam including an axis that is substantially parallel to said optical axis; an optical surface coupled to said electromagnetic beam source; and a frequency filter coupled within said sighting portion.

REFERENCES:
patent: 6204961 (2001-03-01), Anderson et al.
patent: 2007/0091319 (2007-04-01), Sonda et al.
patent: 2006091968 (2006-08-01), None
International Search Report dated Jan. 30, 2009 in corresponding international No. PCT/US2008/011264.

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