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:
Jan. 05, 1999
Filed:
Mar. 27, 1997
Applicant:
Inventor:
Masahiro Ueda, Shiga, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313402 ; 313403 ; 313407 ; 313408 ;
Abstract
In a shadow mask of the present invention applicable to a color CRT (Cathode Ray Tube), a part of slots located at the opposite edges of the mask each has a horizontal section so configured as to intercept or reduce the quantity of direct light contained in exposing light, while allowing reflections from, e.g., the casing of an exposing device to pass therethrough.