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:
Jul. 31, 1979
Filed:
Jul. 08, 1977
Applicant:
Inventor:
Gary K Loda, Danville, CA (US);
Assignee:
Systems, Science and Software, Hayward, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313302 ; 313304 ; 313420 ; 313309 ; 313409 ; 313200 ; 3151118 ;
Abstract
A broad beam DC cold cathode electron gun with a plurality of plasma emitters formed by a capacitively coupled sliding spark assembly operable as a steady state as well as a pulsed device. Stabilization of the plasma emission current is attained through a feedback loop between the spark assembly and the grid bias supply.