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. 11, 2009
Filed:
Jan. 30, 2007
Applicants:
Chi-ying Tsui, Hong Kong SAR, CN;
Fuk Sheung Fung, Hong Kong SAR, CN;
Inventors:
Chi-Ying Tsui, Hong Kong SAR, CN;
Fuk Sheung Fung, Hong Kong SAR, CN;
Assignee:
Perception Digital Limited, Hong Kong SAR, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A battery-operated portable electronic device has a primary battery to provide energy to low current circuitry of the portable device, and a supplemental battery to provide intermittent bursts of energy to other components of the portable device. A charging device charges the supplemental battery from the primary battery. An electronic device employing the battery system may have a battery compartment for the primary battery, which can be an AAA, AA, C, or D size battery.