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. 01, 2005
Filed:
Apr. 17, 2002
Applicant:
Hiroshi Kakigi, Otsu, JP;
Inventor:
Hiroshi Kakigi, Otsu, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Shiga-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J029/86 ;
U.S. Cl.
CPC ...
Abstract
A funnel for a cathode ray tube has a relationship 0<α(z)<d in an arbitrary cross section P(z) parallel with a plane including an open end portion, where α(z) is an angle (°) defined between a line and a major axis (LA) of the funnel, the line being connecting an outermost part D(z) on at least one of an outer surface and an inner surface of the body portion and a center axis (C) of the funnel, and d is an angle (°) defined between a diagonal axis (DA) of the funnel and the major axis (LA).