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:
Feb. 29, 2000
Filed:
Aug. 28, 1998
Applicant:
Inventor:
Steven D Meyer, Snohomish, WA (US);
Assignee:
Primex Technologies, Inc., Redmond, WA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05H / ;
U.S. Cl.
CPC ...
31511101 ; 31511181 ; 3133591 ; 60202 ;
Abstract
A single power control circuit selectively distributes power from a power supply to cathode heater, cathode keeper and thruster magnets of a thruster. The power control circuit utilizes a plurality of switching devices to direct power to one or more of the heater, keeper, and magnet components.