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:
Mar. 26, 1991
Filed:
Jun. 12, 1989
John W Hicks, Northboro, MA (US);
Hickstech Corp., New York, NY (US);
Abstract
A novel vacuum tube type of electric apparatus preferably utilizes cold cathode emission to provide an electron source. A grid element is employed to vary path direction for the particles, which are directed to alternative positions of an anode element. Secondary electron emission from a portion of the anode is utilized to permit the anode potential to rise upon electron impingement, while a second portion of the anode retains electrons to drive the anode potential in the negative sense. The structure allows both positive and negative states to be maintained, and has value in both rapid switching and memory application. The tube is advantageous manufactured on an insulating substrate which may be drawn to microscopic dimensions. This permits a dense pack to be accomplished, with low power requirements and high operating speed.