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:
Nov. 13, 1979
Filed:
Jul. 16, 1976
Frank J Marlowe, Kingston, NJ (US);
Charles H Anderson, Rocky Hill, NJ (US);
RCA Corporation, New York, NY (US);
Abstract
An evacuated envelope has a rectangular display section and a gun section at one edge of the display section. The display section includes front and back walls which are generally rectangular, in closely spaced, parallel relation, and a plurality of spaced, parallel support walls between the front and back walls forming a plurality of parallel channels. At one side of the display section is at least one keying channel which extends parallel to the channels of the display section. The gun section extends across one end of the channels and includes therein gun structure which will direct electrons into the channels. In each of the channels is a beam guide which confines the electrons in a beam and guides the beam along the length of the channel; means for selectively deflecting the electron beam out of the guide toward the front wall at selective points along the guide so that in the display channels the beams will impinge upon a phosphor screen along the inner surface of the front wall; and a scanning deflector which deflects the path of the beam transversely across its channel as the beam passes from the guide to the front wall so that each of the beams in the display channels will scan a portion of the phosphor screen. In the keying channel is means for detecting the position of the beam as it is deflected transversely across the channel along the entire length of the deflected path of the beam.