Global Patent Index - EP 1020100 A1

EP 1020100 A1 2000-07-19 - SUPPLY CIRCUIT FOR A FLUORESCENT TUBE INSTALLATION

Title (en)

SUPPLY CIRCUIT FOR A FLUORESCENT TUBE INSTALLATION

Title (de)

VERSORGUNGSSCHALTUNG FÜR EINE LEUCHTRÖHRENANLAGE

Title (fr)

CIRCUIT D'ALIMENTATION POUR UNE INSTALLATION A TUBES FLUORESCENTS

Publication

EP 1020100 A1 (DE)

Application

EP 98946202 A

Priority

  • CH 9800432 W
  • CH 237897 A

Abstract (en)

[origin: WO9920084A1] The invention relates to a supply circuit with a high-voltage transformer (T) which is connected, input-end, to a supply voltage with a frequency of several hundred Hz, and which is formed without an air gap. To replace the air gap in the transformer (T), an electronic control (EST) is nonetheless used in the supply circuit, which imitates the current-limiting function of an air gap. The frequency of the supply voltage is between 300 and 800 Hz, preferably 400Hz. As these frequencies are higher than the usual network frequency of 50/60 Hz, the size and weight of the transformer (T) can be considerably reduced.

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

H05B 41/392

IPC 8 full level (invention and additional information)

H05B 41/24 (2006.01); H05B 41/16 (2006.01); H05B 41/288 (2006.01); H05B 41/392 (2006.01)

CPC (invention and additional information)

H05B 41/3927 (2013.01); H05B 41/2881 (2013.01); Y10S 315/07 (2013.01)

Citation (search report)

See references of WO 9920084A1

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 9920084 A1 19990422; CH 692375 A5 20020515; DE 59806882 D1 20030213; EP 1020100 A1 20000719; EP 1020100 B1 20030108; ES 2189243 T3 20030701; JP 2001520451 A 20011030; US 6236169 B1 20010522

INPADOC legal status


2006-01-16 [REG ES FD2A] ANNOUNCEMENT OF LAPSE IN SPAIN

- Effective date: 20041011

2005-10-09 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20051009

2005-08-05 [REG FR ST] NOTIFICATION OF LAPSE

2005-06-30 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050630

2005-06-01 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20041009

2005-05-03 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050503

2004-10-11 [PG25 ES] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20041011

2004-10-09 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20041009

2004-01-07 [26N] NO OPPOSITION FILED

- Effective date: 20031009

2003-11-28 [PGFP ES] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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- Payment date: 20031128

- Year of fee payment: 6

2003-10-27 [PGFP FR] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2003-10-16 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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- Payment date: 20031016

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2003-10-08 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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- Year of fee payment: 6

2003-08-15 [ET] FR: TRANSLATION FILED

2003-07-01 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2189243 T3

2003-02-13 [REF] CORRESPONDS TO:

- Document: DE 59806882 P 20030213

2003-01-29 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20030108

2003-01-08 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE ES FR GB IT

2003-01-08 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2001-04-11 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010226

2000-11-08 [RIN1] INVENTOR (CORRECTION)

- Inventor name: HUG, ALFRED

2000-11-08 [RIN1] INVENTOR (CORRECTION)

- Inventor name: BURTSCHER, HEINZ

2000-11-08 [RIN1] INVENTOR (CORRECTION)

- Inventor name: MEIER, PATRICK

2000-11-08 [RIN1] INVENTOR (CORRECTION)

- Inventor name: MOSER, ROMAN

2000-07-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000316

2000-07-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR GB IT