Patent · US Expired

Power supply adapter systems

US4730122A · kind A · utility

20Cited by
21References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 18, 1986
Grant dateMar 8, 1988
Priority date
Expiry dateSep 18, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02M1/10
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A power supply adapter system is provided which includes a voltage supply source terminal, an output terminal, first and second switches, the first switch being disposed between the voltage supply source terminal and the output terminal, voltage conversion means serially connected with the second switch and disposed between the voltage supply source terminal and a point of reference potential and having an output coupled to the output terminal, and means for detecting first and second ranges of voltages at the power supply source terminal and for producing first and second control voltages, respectively, to control the first and second switches.

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