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:
Feb. 03, 1976
Filed:
Jul. 22, 1974
Applicant:
Inventors:
Paul L Di Matteo, Dix Hills, NY (US);
Joseph A Ross, Fort Salonga, NY (US);
Howard K Stern, Greenlawn, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
250558 ; 356-2 ;
Abstract
Reticle structure defining a succession of contiguous cells, separately discernible upon illumination thereof, is spacedly positioned relative to a discernible indicium, such as a light source. The indicium is disposed in a known location relative to the reticle structure and the cells and indicium are viewed jointly from a given location. Information is derived for use in determining the positional coordinates of the given location with respect to the indicium.