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. 12, 1985
Filed:
May. 07, 1982
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; F16M / ;
U.S. Cl.
CPC ...
313403 ; 313269 ; 313407 ; 248559 ;
Abstract
A cathode ray tube having a phosphor layer formed on an inner surface of a panel of an envelope, a color selecting aperture grill formed of a number of grid elements and located within the envelope opposing to the phosphor layer, a metal wire for coupling the number of the grid elements, an electron gun located within the envelope and a deflecting device located around the envelope is disclosed, in which the resonance frequency of at least one grid element of the color selecting grid is selected different from that of another grid element in the vicinity thereof.