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. 15, 2005
Filed:
Jun. 08, 2000
Applicants:
Steven Carkner, Ontario, CA;
Robert J. Lowles, Waterloo, CA;
Kent Nickerson, Waterloo, CA;
Carl Schaaff, Guelph, CA;
Inventors:
Steven Carkner, Ontario, CA;
Robert J. Lowles, Waterloo, CA;
Kent Nickerson, Waterloo, CA;
Carl Schaaff, Guelph, CA;
Assignee:
Research In Motion Limited, Waterloo, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L027/04 ;
U.S. Cl.
CPC ...
Abstract
An apparatus and method is disclosed which allow a limited energy source (such as a low voltage battery stack or a low current computer auxiliary device power connection) to charge a high performance capacitive device, which in turn powers a low duty-cycle, high power load circuit (such as a packet-switched radio data transmitter).