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:
Oct. 24, 1995
Filed:
May. 23, 1994
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345 75 ; 313497 ;
Abstract
In a flat-type picture display apparatus having a back electrode, plural linear cathodes, an electron beam extraction electrode, a signal electrode, a focusing electrode, a pair of horizontal deflection electrodes and a pair of vertical deflection electrodes which are disposed in a space between a front glass plate and a back glass plate, vertical deflection electrodes, horizontal deflection electrodes and/or focusing electrode are/is provided to extend beyond the border line of the electron beam passing area of a television picture screen to produce same equipotential surface on each unit for one picture element in the television picture screen.