The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventor:
Klaus Heyn, Hamburg, DE;
Assignee:
Jenoptik AG, Jena, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356342 ; 250574 ; 250575 ; 356437 ;
Abstract
The present invention is directed to an optical range measurement device which is able to compensate for lens contamination. The optical range measurement device includes one or more windows having at least two sections positioned at an angle to one another, a transmitter for producing a main beam and transmitting the main beam into the atmosphere, and a receiver for receiving the main beam back scattered by the atmosphere. The device also includes a transmitter producing a reference beam which illuminates the at least two sections and a receiver for receiving the reference beam.