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. 19, 2013
Filed:
Jun. 02, 2004
Applicants:
Marc a Drader, Kitchener, CA;
David James Mak-fan, Waterloo, CA;
Dusan Veselic, Oakville, CA;
Inventors:
Assignee:
Research In Motion Limited, Waterloo, Ontario, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02G 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A load device includes a power input having an interface to a power supply; a peripheral power bus including an internal capacitance, and an active switch coupled to the power input and the peripheral power bus for applying power from the power input to the peripheral power bus. The load device also includes a switch controller coupled to the active switch for regulating the in-rush current drawn by the internal capacitance through the active switch while the internal capacitance is being charged.