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:
Jan. 11, 2005
Filed:
Oct. 09, 2003
Derek Bernardon, Villach, AT;
Alberto Flore, Villach, AT;
Derek Bernardon, Villach, AT;
Alberto Flore, Villach, AT;
Infineon Technologies AG, München, DE;
Abstract
The present invention provides a method of charging a rechargeable device () and a charging apparatus wherein the rechargeable device () is connected to a battery connection port () and ground (), an external DC source having an input voltage () is connected to an input resistor () of a charging apparatus, a current reference value () and a voltage reference value () are fed to a control unit (), a duty cycle (d) is determined in accordance with the current reference value () and the voltage reference value () fed to the control unit (), and, using the duty cycle (d), an output voltage () applied to the rechargeable device () is switched between a minimum output voltage () and a maximum output voltage () dependent on the current reference value () an the voltage reference value () by means of a charging switch ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile