FI914970A - Kretskoppling. - Google Patents
Kretskoppling. Download PDFInfo
- Publication number
- FI914970A FI914970A FI914970A FI914970A FI914970A FI 914970 A FI914970 A FI 914970A FI 914970 A FI914970 A FI 914970A FI 914970 A FI914970 A FI 914970A FI 914970 A FI914970 A FI 914970A
- Authority
- FI
- Finland
- Prior art keywords
- conducting
- lamp
- discharge lamp
- frequency
- load branch
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Amplifiers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9002332 | 1990-10-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI914970A0 FI914970A0 (fi) | 1991-10-22 |
FI914970A true FI914970A (fi) | 1992-04-26 |
Family
ID=19857879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI914970A FI914970A (fi) | 1990-10-25 | 1991-10-22 | Kretskoppling. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5198726A (fi) |
EP (1) | EP0482705B1 (fi) |
JP (1) | JPH04264397A (fi) |
KR (1) | KR920008893A (fi) |
AT (1) | ATE132686T1 (fi) |
DE (1) | DE69116081T2 (fi) |
FI (1) | FI914970A (fi) |
HU (1) | HU212521B (fi) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5373217A (en) * | 1993-03-24 | 1994-12-13 | Osram Sylvania Inc. | Method and circuit for enhancing stability during dimming of electrodeless hid lamp |
US5422545A (en) * | 1993-08-19 | 1995-06-06 | Tek-Tron Enterprises, Inc. | Closed loop feedback control circuits for gas discharge lamps |
BE1007458A3 (nl) * | 1993-08-23 | 1995-07-04 | Philips Electronics Nv | Schakelinrichting. |
US5744913A (en) * | 1994-03-25 | 1998-04-28 | Pacific Scientific Company | Fluorescent lamp apparatus with integral dimming control |
US5686799A (en) * | 1994-03-25 | 1997-11-11 | Pacific Scientific Company | Ballast circuit for compact fluorescent lamp |
US6037722A (en) * | 1994-09-30 | 2000-03-14 | Pacific Scientific | Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp |
US5691606A (en) * | 1994-09-30 | 1997-11-25 | Pacific Scientific Company | Ballast circuit for fluorescent lamp |
US5821699A (en) * | 1994-09-30 | 1998-10-13 | Pacific Scientific | Ballast circuit for fluorescent lamps |
US5596247A (en) * | 1994-10-03 | 1997-01-21 | Pacific Scientific Company | Compact dimmable fluorescent lamps with central dimming ring |
DE4437453A1 (de) * | 1994-10-19 | 1996-04-25 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Verfahren zum Betrieb einer Entladungslampe und Schaltungsanordnung zum Betrieb einer Entladungslampe |
DE69616483T2 (de) * | 1995-06-29 | 2002-06-13 | Koninklijke Philips Electronics N.V., Eindhoven | Schaltungsanordnung |
US5751118A (en) * | 1995-07-07 | 1998-05-12 | Magnetek | Universal input dimmer interface |
TW381409B (en) * | 1996-03-14 | 2000-02-01 | Mitsubishi Electric Corp | Discharging lamp lighting device |
US5742134A (en) * | 1996-05-03 | 1998-04-21 | Philips Electronics North America Corp. | Inverter driving scheme |
US5925986A (en) * | 1996-05-09 | 1999-07-20 | Pacific Scientific Company | Method and apparatus for controlling power delivered to a fluorescent lamp |
US5990634A (en) * | 1996-05-31 | 1999-11-23 | Logic Laboratories, Inc. | Dynamic range dimmer for gas discharge lamps |
JP2000500279A (ja) * | 1996-09-11 | 2000-01-11 | コーニンクレッカ、フィリップス、エレクトロニクス、エヌ.ヴィ. | 回路構成 |
US5866993A (en) * | 1996-11-14 | 1999-02-02 | Pacific Scientific Company | Three-way dimming ballast circuit with passive power factor correction |
JP3858317B2 (ja) * | 1996-11-29 | 2006-12-13 | 東芝ライテック株式会社 | 放電灯点灯装置及び照明装置 |
US5798617A (en) * | 1996-12-18 | 1998-08-25 | Pacific Scientific Company | Magnetic feedback ballast circuit for fluorescent lamp |
KR100350685B1 (ko) * | 1999-11-11 | 2003-01-24 | 송정식 | 1회용 혈관 수지침 |
DE10018860A1 (de) * | 2000-04-14 | 2001-10-18 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Stabilisierung des Betriebs von Gasentladungslampen |
US6448713B1 (en) * | 2000-12-07 | 2002-09-10 | General Electric Company | Sensing and control for dimmable electronic ballast |
US6639369B2 (en) | 2001-03-22 | 2003-10-28 | International Rectifier Corporation | Electronic dimmable ballast for high intensity discharge lamp |
WO2002098187A1 (en) * | 2001-05-31 | 2002-12-05 | Koninklijke Philips Electronics N.V. | Power control device, apparatus and method of controlling the power supplied to a discharge lamp |
US6969955B2 (en) * | 2004-01-29 | 2005-11-29 | Axis Technologies, Inc. | Method and apparatus for dimming control of electronic ballasts |
US20070127179A1 (en) * | 2005-12-05 | 2007-06-07 | Ludjin William R | Burnout protection switch |
WO2008029344A1 (en) * | 2006-09-07 | 2008-03-13 | Koninklijke Philips Electronics N.V. | Lamp driver circuit and method for driving a discharge lamp |
EP2510759B1 (en) * | 2009-12-08 | 2015-04-08 | Koninklijke Philips N.V. | Method and device for driving a fluorescent lamp |
DE102014005669B4 (de) * | 2014-04-19 | 2017-10-26 | Iie Gmbh & Co. Kg | Vorrichtung und Verfahren zum Betreiben eines Lichterzeugers |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3913002A (en) * | 1974-01-02 | 1975-10-14 | Gen Electric | Power circuits for obtaining a high power factor electronically |
EP0059064B1 (en) * | 1981-02-21 | 1985-10-02 | THORN EMI plc | Lamp driver circuits |
US4894587A (en) * | 1984-08-17 | 1990-01-16 | Lutron Electronics Co., Inc. | High frequency gas discharge lamp dimming ballast |
CA1333408C (en) * | 1984-10-16 | 1994-12-06 | Calvin E. Grubbs | Electronic ballast circuit for fluorescent lamps |
US4873471A (en) * | 1986-03-28 | 1989-10-10 | Thomas Industries Inc. | High frequency ballast for gaseous discharge lamps |
DE3888675D1 (de) * | 1988-04-20 | 1994-04-28 | Zumtobel Ag Dornbirn | Vorschaltgerät für eine Entladungslampe. |
US4906901A (en) * | 1988-08-29 | 1990-03-06 | Gardenamerica Corporation | Power supply for outdoor lighting systems using high frequency |
US5097181A (en) * | 1989-09-29 | 1992-03-17 | Toshiba Lighting & Technology Corporation | Discharge lamp lighting device having level shift control function |
ES2049790T3 (es) * | 1989-10-09 | 1994-05-01 | Siemens Ag | Adaptador electronico. |
US5075602A (en) * | 1989-11-29 | 1991-12-24 | U.S. Philips Corporation | Discharge lamp control circuit arrangement |
DE4015397A1 (de) * | 1990-05-14 | 1991-11-21 | Hella Kg Hueck & Co | Schaltungsanordnung zum zuenden und betreiben einer hochdruckgasentladungslampe in kraftfahrzeugen |
-
1991
- 1991-09-30 US US07/770,059 patent/US5198726A/en not_active Expired - Fee Related
- 1991-10-17 EP EP91202697A patent/EP0482705B1/en not_active Expired - Lifetime
- 1991-10-17 DE DE69116081T patent/DE69116081T2/de not_active Expired - Fee Related
- 1991-10-17 AT AT91202697T patent/ATE132686T1/de active
- 1991-10-22 FI FI914970A patent/FI914970A/fi unknown
- 1991-10-22 HU HU913330A patent/HU212521B/hu not_active IP Right Cessation
- 1991-10-22 KR KR1019910018567A patent/KR920008893A/ko active IP Right Grant
- 1991-10-25 JP JP3279680A patent/JPH04264397A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69116081T2 (de) | 1996-08-08 |
EP0482705B1 (en) | 1996-01-03 |
FI914970A0 (fi) | 1991-10-22 |
HU913330D0 (en) | 1992-01-28 |
US5198726A (en) | 1993-03-30 |
JPH04264397A (ja) | 1992-09-21 |
HUT59524A (en) | 1992-05-28 |
HU212521B (en) | 1996-07-29 |
EP0482705A2 (en) | 1992-04-29 |
KR920008893A (ko) | 1992-05-28 |
ATE132686T1 (de) | 1996-01-15 |
EP0482705A3 (en) | 1992-11-19 |
DE69116081D1 (de) | 1996-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HC | Name/ company changed in application |
Owner name: PHILIPS ELECTRONICS N.V. |