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. 18, 1983
Filed:
Mar. 03, 1981
Applicant:
Inventor:
Richard DuBois, Jr, No. Caldwell, NJ (US);
Assignee:
Edison International Inc., Rolling Meadows, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313497 ; 313513 ;
Abstract
The invention relates to vacuum fluorescent devices having substrates on which anodes coated with fluorescent material are disposed. According to the invention, the substrate comprises a relatively thin layer of insulation on a metal plate so that the acceleration potential in the vacuum fluorescent device may be increased for greater brightness.