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:
Sep. 28, 2004
Filed:
Mar. 11, 2002
Applicant:
Inventors:
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 ;
U.S. Cl.
CPC ...
H01M 8/04 ;
Abstract
An electronic apparatus, powered by a fuel cell, having a detector that monitors the oxygen density in the air provided to the fuel cell. The electronic apparatus has a plurality of power consumption modes one of which is selected based on the oxygen density to ensure steady operation. The electronic apparatus further includes an oxygen density regulator that controls the amount of the air provided to the fuel cell.
Motoyama, Hideyuki. (2004). Electronic apparatus powered by fuel cell having oxygen density detector (U.S. Patent No. 6797419). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6797419
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile