Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas R. Jungwirth0
Date of Patent
May 10, 2016
0Patent Application Number
136645180
Date Filed
October 31, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A laser range finder including a laser configured to project a laser beam onto a target object thereby causing a target beam to be reflected from the target object, wherein the laser beam has a frequency, and wherein the frequency is modulated at a known rate, a first beam splitter positioned to split a reference beam from the laser beam, a second beam splitter positioned to receive the target beam and the reference beam, wherein the target beam and the reference beam are coherently combined, the coherently combined beams establishing a difference frequency, and a detector configured to measure the difference frequency.
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