Optics: measuring and testing – Position or displacement
Reexamination Certificate
2007-10-05
2009-02-10
Punnoose, Roy M (Department: 2886)
Optics: measuring and testing
Position or displacement
C356S616000
Reexamination Certificate
active
07489410
ABSTRACT:
The present invention provides an optical displacement meter which performs a profile search for performing positional adjustment of a profile shape. The optical displacement meter includes: an amplifier for amplifying a reception light signal from a two-dimensional light receiving device; profile computing means capable of computing a profile shape of the object to be measured on the basis of an amplification signal obtained by the amplifier in a point in the first direction by the reflection light of the light emitted from the projector; a display unit capable of displaying the profile shape of the object to be measured computed by the profile computing means; registered-profile designating means for designating a registered profile as a reference of a profile search from profile shapes displayed on the display unit; and profile matching means for performing a profile search to find a match between an input profile shape and the registered profile designated by the registered profile designating means and, on the basis of a result of the profile search, rotating or moving the input profile shape.
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patent: 5668631 (1997-09-01), Norita et al.
patent: 5784168 (1998-07-01), Ophey et al.
patent: 5789743 (1998-08-01), Van Rosmalen
patent: 7242485 (2007-07-01), Akishiba
patent: H10-267648 (1998-10-01), None
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U.S. Appl. No. 11/973,253, filed Oct. 5, 2007, Nishio et al.
Keyence Corporation
Kilyk & Bowersox P.L.L.C.
Punnoose Roy M
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