Global Patent Index - EP 1721228 A4

EP 1721228 A4 20080102 - AUTOMATIC POWER FACTOR CORRECTION USING POWER MEASUREMENT CHIP

Title (en)

AUTOMATIC POWER FACTOR CORRECTION USING POWER MEASUREMENT CHIP

Title (de)

AUTOMATISCHE LEISTUNGSFAKTORKORREKTUR UNTER VERWENDUNG EINES LEISTUNGSMESSCHIPS

Title (fr)

CORRECTION DU FACTEUR DE PUISSANCE AUTOMATIQUE A L'AIDE D'UNE PUCE DE MESURE DE PUISSANCE

Publication

EP 1721228 A4 20080102 (EN)

Application

EP 05723692 A 20050225

Priority

  • US 2005005929 W 20050225
  • US 78925304 A 20040227

IPC 8 full level

G05F 1/70 (2006.01)

CPC (source: EP)

G05F 1/70 (2013.01)

Citation (search report)

Citation (examination)

ANALOG DEVICES INC: "Active and Apparent Energy Metering IC with di/dt sensor interface", 2002

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

CA 2556779 A1 20050915; CN 1950773 A 20070418; EP 1721228 A1 20061115; EP 1721228 A4 20080102; JP 2007525938 A 20070906

DOCDB simple family (application)

CA 2556779 A 20050225; CN 200580013249 A 20050225; EP 05723692 A 20050225; JP 2007500976 A 20050225