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:
May. 15, 2012
Filed:
Nov. 07, 2007
Edward J. Simburger, Agoura, CA (US);
Daniel L. Rumsey, Inglewood, CA (US);
Simon H. Liu, Redondo Beach, CA (US);
John S. Halpine, Hermosa Beach, CA (US);
Edward J. Simburger, Agoura, CA (US);
Daniel L. Rumsey, Inglewood, CA (US);
Simon H. Liu, Redondo Beach, CA (US);
John S. Halpine, Hermosa Beach, CA (US);
The Aerospace Corporation, El Segundo, CA (US);
Abstract
An onboard solar cell array current and voltage characteristic determination method is preferably used on small spacecraft and determines the solar cell orientation relative to the sun by a comparison between prelaunch solar cell characteristics with on-orbit solar cell characteristics well suited for spin axis determinations and monitoring the degradation of on-orbit solar cells over the operational life of a picosatellite.