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:
Jun. 04, 1985
Filed:
May. 24, 1983
Applicant:
Inventors:
Vincent J Coates, Palo Alto, CA (US);
J Evan Grund, San Jose, CA (US);
Stephen B Westrate, Portola Valley, CA (US);
Assignee:
Nanometrics Incorporated, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 313384 ; 313462 ;
Abstract
In making precision measurements with a television camera tube, the inherent scan non-linearity and magnification variations are readily calibrated by painting a grid of known dimensions on the tube face.