Patent · US Expired

Socket-outlet

US6038115A · kind A · utility

11Cited by

2References

3Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Manfred Kleemeier · Neutraubling, DE
Reinhard Schmid · Regensburg, DE
Reinhard Solleder · Lappersdorf, DE

Key dates

Filing date	Dec 11, 1998
Grant date	Mar 14, 2000
Priority date	—
Expiry date	Dec 11, 2018

Classification

Technology area (CPC H)Electricity
CPC primaryH01R13/44
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A socket-outlet, in which, only in response to preselected loads, voltage from the supply-side is connected through by a switching device to the load side. A voltage-supplied measuring device has a D.C. testing circuit and an A.C. testing circuit. Both testing circuits attempt to drive measuring currents across a connected load. The A.C. testing circuit operates at higher frequencies than the power-line frequency. An evaluation circuit is designed, on the basis of preselected criteria and on the basis of measuring values, in logical AND-connection, to determine whether switching contacts of the switching device should be closed.

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