Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David M. Warshaw0
Guy G. Kennedy0
Date of Patent
July 11, 2006
0Patent Application Number
111909950
Date Filed
July 27, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A system and method for referencing an objective lens to a desired plane of focus. In one embodiment, a dichroic element is utilized to reflect energy of one or more wavelengths that has passed through an objective lens to a detector for determining a position of the objective lens to a desired plane of focus. The objective lens may be manually and/or automatically focused to the desired plane of focus.
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