Patent · US Expired

Battery charger with protection circuitry

US7221124B2 · kind B2 · utility

12Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 2005
Grant dateMay 22, 2007
Priority date
Expiry dateDec 5, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02J2207/40
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The charger includes a controller, a battery power source having at least two power settings connected to the controller, a power supply connectable to an outside power source, the power supply receiving a current and voltage from the outside power source for providing power to at least one of the controller and the battery power source, and a foldback circuit for switching between two power settings depending upon at least one of the current and voltage received from the outside power source.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.