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. 14, 1989
Filed:
Nov. 19, 1986
Applicant:
Inventors:
Jacques Baudry, Ecully, FR;
Gerard Proudhon, Venissieux, FR;
Assignee:
Videocolor, Montrouge, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313414 ; 313458 ;
Abstract
To avoid the deflection phenomenon of the red and blue spots of a trichromatic tube with in line cathodes, as a function of a variation of the focusing voltage, the holes corresponding to these two colors are enlarged over a distance of about 0.1 to 0.2 mm.
Baudry, Jacques. (1989). Device for correcting the deflection effect due to a variation of the (U.S. Patent No. 4812706). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4812706
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