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:
Apr. 01, 1980
Filed:
Jan. 04, 1978
Applicant:
Inventors:
Ludwig Leitz, Wetzlar, DE;
Knut Heitmann, Wetzlar, DE;
Assignee:
Ernst Leitz Wetzlar GmbH, Wetzlar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P / ; G01C / ; G01C / ;
U.S. Cl.
CPC ...
356 28 ; 180169 ; 340 53 ; 352140 ; 356-1 ; 356-4 ; 356373 ;
Abstract
System for measuring the relative position and/or velocity of two objects with respect to each other and/or with respect to a common reference system, such as the ground, according to the magnitude and direction thereof, using electro-optical measuring means, the improvement comprising: