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:
Sep. 24, 1985
Filed:
Mar. 07, 1983
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
3134 / ; 313478 ; 313 35 ; 313 44 ;
Abstract
A cathode ray tube apparatus including an envelope having a panel portion with a phosphor screen formed on the inner surface thereof, a neck portion provided with an electron gun therein and a funnel portion therebetween; and a transparent panel facing the external surface of the panel portion with a peripherally located spacer therebetween, wherein a liquid coolant is sealed in the space formed between the panel portion and the transparent panel by light absorbing material, and the spacer is treated to reduce reflection.