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:
Nov. 05, 2013
Filed:
Oct. 29, 2008
Robert M. Johnson, Lake Zurich, IL (US);
Jason N. Howard, Alpharetta, GA (US);
Robert M. Johnson, Lake Zurich, IL (US);
Jason N. Howard, Alpharetta, GA (US);
Motorola Mobility LLC, Libertyville, IL (US);
Abstract
A method () and device () for augmenting the useful life of an energy storage device in a portable electronic device is disclosed. The method () can include the steps of: providing () a power module comprising a fuel cell and a battery; determining () relative humidity; and controlling () the operations of the power module in response to the determined relative humidity. Advantageously, the method () and device () can augment and prolong the useful life of an energy storage device in a portable electronic device, with minimal power drain.