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.

Date of Patent:
Jan. 30, 1979

Filed:

Jun. 20, 1977
Applicant:
Inventor:

Thomas L Credelle, East Windsor, NJ (US);

Assignee:

RCA Corporation, New York, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313422 ;
Abstract

An evacuated envelope includes front and rear walls in spaced parallel relationship to one another and connected by a plurality of side walls. On the inner surface of the front wall is a cathodoluminescent screen having stripes of different color light emitting phosphor material. Within the envelope and adjacent to the back wall are a plurality of electron beam guides extending in one dimension. The electron beam guides include means for deflecting the beam out of the guide toward the screen. Between the screen and the beam guides in the evacuated envelope is means for focusing the deflected electron beam sequentially onto one of several stripes of the screen.


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