Patent · US Expired

Battery charging device

US4680528A · kind A · utility

167Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1986
Grant dateJul 14, 1987
Priority date
Expiry dateMar 4, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S320/12
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A battery charging device which is so designed that whether or not the battery is connected in position can be detected by utilizing a current detecting circuit instead of a mechanically-structured component, such as a switch.

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