Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2006-12-01
2009-06-30
Tarcza, Thomas H (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
Reexamination Certificate
active
07554653
ABSTRACT:
An electro optic distance measurement apparatus using time of flight measurements and a method therefore are provided for determining a distance to a target of two or more targets located along a common line of sight from the distance measurement apparatus. Approximate distances to the two or more targets are determined by means of the distance measurement apparatus, one of the two or more targets is selected, and an accurate distance to the selected target is determined by means of the distance measurement apparatus.
REFERENCES:
patent: 4731762 (1988-03-01), Hanks
patent: 5699149 (1997-12-01), Kuroda et al.
patent: 6115112 (2000-09-01), Hertzman et al.
patent: 6414746 (2002-07-01), Stettner et al.
patent: 2005/0057741 (2005-03-01), Anderson et al.
Harness & Dickey & Pierce P.L.C.
Ratcliffe Luke D
Tarcza Thomas H
Trimble AB
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