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. 19, 1977
Filed:
Sep. 17, 1975
Applicant:
Inventor:
Nicolaas Hendrik Limper, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313372 ; 313384 ;
Abstract
A television camera tube having background illumination provided by a light diffuser in a space between the anode sleeve and an auxiliary cylinder which coaxially projects into the anode sleeve and which is constructed and marked, on the side facing the target, such that parts of the target are half-shade areas of the light diffuser and a signal derived from the target is homogeneous across the entire target in the case of an homogeneous target illumination.
Limper, Nicolaas. (1977). Television camera tube (U.S. Patent No. 4019083). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4019083
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile