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:
Jun. 05, 1990
Filed:
Feb. 16, 1988
Applicant:
Inventor:
Howard W Selby, III, Boulder, CO (US);
Assignee:
Selsys Corporation, Boulder, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340755 ; 358 60 ; 358 63 ;
Abstract
Light weight, compact electronic image displays are provided which have flat profiles and which can be configured as direct view or projection displays. An improved cathode-ray tube utilizing two or more electron guns simultaneously produces two or more lines in separate phosphor stripes on the faceplate of cathode-ray tube, one phosphor for each electron gun. A vertical raster is produced mechanically by a rotating mirror mechanism and is positioned on a screen by way of optical elements. A controller and frame buffer synchronize electron gun output and vertical raster scanner operation to produce a bright, high resolution, converged image.