Global Patent Index - EP 2027755 A1

EP 2027755 A1 2009-02-25 - CIRCUIT UNIT

Title (en)

CIRCUIT UNIT

Title (de)

SCHALTUNGSEINHEIT

Title (fr)

UNITE DE COMMUTATION

Publication

EP 2027755 A1 (DE)

Application

EP 07729882 A

Priority

  • EP 2007055497 W
  • DE 102006026938 A

Abstract (en)

[origin: WO2007141254A1] The invention relates to a circuit unit for a semiconductor unit which produces radiation, with a forward voltage U<SUB>f</SUB> being applied during operation to the semiconductor unit which produces radiation, and with a forward current I<SUB>f</SUB> flowing through the semiconductor unit which produces radiation, with the circuit unit regulating the forward current I<SUB>f</SUB> such that an actual value V<SUB>act</SUB> which depends on the forward current I<SUB>f</SUB> and the forward voltage U<SUB>f</SUB> assumes a predetermined nominal value V<SUB>nom</SUB>. The invention also relates to a radiation source.

IPC 8 full level (invention and additional information)

H05B 33/08 (2006.01)

CPC (invention and additional information)

H05B 33/0851 (2013.01); H05B 33/0815 (2013.01)

Citation (search report)

See references of WO 2007141254A1

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 LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

DE 102006026938 A1 20071213; CN 101467491 A 20090624; CN 101467491 B 20110216; EP 2027755 A1 20090225; JP 2009540554 A 20091119; KR 20090023677 A 20090305; TW 200806082 A 20080116; US 2009128050 A1 20090521; US 8044607 B2 20111025; WO 2007141254 A1 20071213

INPADOC legal status


2010-07-07 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20091229

2009-07-15 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20090616

2009-02-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081016

2009-02-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS