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. 05, 2008
Filed:
Nov. 08, 2002
Applicant:
Didier Marquet, Malakoff, FR;
Inventor:
Didier Marquet, Malakoff, FR;
Assignee:
France Telecom, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/02 (2006.01); H02J 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a portable device for electric power supply comprising: connection means () for connecting an appliance () to be powered; and a power supply circuit () supplying in output a supply voltage for the appliance when the circuit is selectively connected to a mains supply or to a low-voltage electric power source. It may also comprise a battery (). In that case, the circuit () can charge the power storage means when the circuit is connected to an appropriate electric power source, the connection means ensuring power supply to the appliance () from the power storage means ().