Global Patent Index - EP 1240654 A1

EP 1240654 A1 2002-09-18 - SWITCH INPUT CURRENT CIRCUIT

Title (en)

SWITCH INPUT CURRENT CIRCUIT

Title (de)

EIN SCHALTER-EINGANGSSTROMKREIS

Title (fr)

CIRCUIT D'ENTREE A COMMUTATEURS

Publication

EP 1240654 A1 (DE)

Application

EP 00993348 A

Priority

  • AU 6445299 A
  • DE 0004230 W

Abstract (en)

[origin: WO0143151A1] The invention relates to a method and to a corresponding device for improving the consumption of energy of a switch input current circuit that contains resistor elements. The inventive method comprises the following steps: providing a wetting current on at least one switch by means of a corresponding resistor element, modulating the wetting current with a pulse-width modulation signal to provide a reduced average voltage that is supplied to the corresponding resistor element, thereby reducing the consumption of energy of the electric circuit.

IPC 1-7 (main, further and additional classification)

H01H 1/60

IPC 8 full level (invention and additional information)

H01H 1/60 (2006.01)

CPC (invention and additional information)

H01H 1/605 (2013.01); Y10T 307/845 (2015.04)

Citation (search report)

See references of WO 0143151A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0143151 A1 20010614; AU 731189 B1 20010329; DE 50005362 D1 20040325; EP 1240654 A1 20020918; EP 1240654 B1 20040218; US 6800965 B1 20041005

INPADOC legal status


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2005-02-09 [26N] NO OPPOSITION FILED

- Effective date: 20041119

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2004-07-07 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20040611

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2002-12-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021028

2002-09-18 [17P] REQUEST FOR EXAMINATION FILED

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- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR