Global Patent Index - EP 0687135 B1

EP 0687135 B1 19980429 - Device for the regulation of electrical supply voltage to electric-discharge lamps

Title (en)

Device for the regulation of electrical supply voltage to electric-discharge lamps

Title (de)

Gerät zur Spannungsregelung einer Leistungsquelle für Entladungslampen

Title (fr)

Appareil pour réguler la tension d'alimentation destinée à des lampes à décharge

Publication

EP 0687135 B1 19980429 (EN)

Application

EP 95108420 A 19950601

Priority

IT MI941207 A 19940609

Abstract (en)

[origin: EP0687135A2] Device for the regulation of electrical supply voltage to electric-discharge lamps, comprising: a) an autotransformer, endowed with: an input section connected to the mains supply an output section, b) a power circuit inserted between the transformer output and the electric-discharge lamps, c) a control circuit regulating the power circuit. The former basically consists of: i) a measurement circuit connected to the mains, ii) a threshold circuit connected after the measurement circuit, iii) a command circuit, connected after the threshold circuit, regulating the power circuit. <IMAGE>

IPC 1-7

H05B 41/392; H05B 41/40

IPC 8 full level

H05B 41/392 (2006.01); H05B 41/40 (2006.01)

CPC (source: EP)

H05B 41/392 (2013.01); H05B 41/3922 (2013.01); H05B 41/40 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0687135 A2 19951213; EP 0687135 A3 19961113; EP 0687135 B1 19980429; AT E165708 T1 19980515; DE 69502238 D1 19980604; DE 69502238 T2 19980813; DK 0687135 T3 19981007; ES 2116650 T3 19980716; IT 1275608 B1 19970806; IT MI941207 A0 19940609; IT MI941207 A1 19951209; SI 0687135 T1 19980831

DOCDB simple family (application)

EP 95108420 A 19950601; AT 95108420 T 19950601; DE 69502238 T 19950601; DK 95108420 T 19950601; ES 95108420 T 19950601; IT MI941207 A 19940609; SI 9530079 T 19950601