Patent · US Expired

Buffered DC power supply system

US5698908A · kind A · utility

5Cited by

4References

17Claims

0Family size

Assignee

Siemens Nixdorf Informationssysteme AG · DE

Inventors

Werner Pollmeier · Verl, DE
Josef Schuck · Paderborn, DE
Ernst Weidner · Paderborn, DE

Key dates

Filing date	Jan 11, 1996
Grant date	Dec 16, 1997
Priority date	—
Expiry date	Jan 11, 2016

Classification

Technology area (CPC H)Electricity
CPC primaryH02J1/108
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Power supply system having a buffered intermediate voltage which is supplied by an auxiliary voltage source in the event of failure of a principal voltage source, there being generated from the intermediate voltage by comparison with a threshold value a digital failure signal which both controls the auxiliary voltage source and is used to form a final failure signal.

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