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:
Aug. 04, 1998
Filed:
Jun. 13, 1996
Applicant:
Inventor:
Hiroshi Iida, Tokyo, JP;
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64G / ;
U.S. Cl.
CPC ...
244166 ; 701 13 ;
Abstract
A spacecraft is provided which has an environmental disturbance torque filter that predicts the environmental disturbance torque acting on the spacecraft, and an unloading control section 5 which establishes, from the predicted environmental disturbance torque 4 and the angular momentum residual 2, a magnetic moment to be generated, by considering the environmental disturbance torque, thereby providing a reduction in magnetic unloading power consumption and a reduction in the size and weight of related hardware.