DK498788A - Fremgangsmaade og apparat til drift af udladningslamper - Google Patents
Fremgangsmaade og apparat til drift af udladningslamperInfo
- Publication number
- DK498788A DK498788A DK498788A DK498788A DK498788A DK 498788 A DK498788 A DK 498788A DK 498788 A DK498788 A DK 498788A DK 498788 A DK498788 A DK 498788A DK 498788 A DK498788 A DK 498788A
- Authority
- DK
- Denmark
- Prior art keywords
- discharge lamps
- lamps
- discharge
- 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
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA546491 | 1987-09-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK498788D0 DK498788D0 (da) | 1988-09-08 |
DK498788A true DK498788A (da) | 1989-03-10 |
Family
ID=4136408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK498788A DK498788A (da) | 1987-09-09 | 1988-09-08 | Fremgangsmaade og apparat til drift af udladningslamper |
Country Status (10)
Country | Link |
---|---|
US (1) | US4933606A (de) |
EP (1) | EP0307065A3 (de) |
JP (1) | JPS6472495A (de) |
KR (1) | KR890006110A (de) |
CN (1) | CN1035407A (de) |
AU (1) | AU600348B2 (de) |
BR (1) | BR8804589A (de) |
DK (1) | DK498788A (de) |
FI (1) | FI884128A (de) |
NO (1) | NO884003L (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE58907116D1 (de) * | 1989-05-02 | 1994-04-07 | Siemens Ag | Elektronisches Vorschaltgerät. |
GB2264596B (en) * | 1992-02-18 | 1995-06-14 | Standards Inst Singapore | A DC-AC converter for igniting and supplying a gas discharge lamp |
US5434478A (en) * | 1993-03-29 | 1995-07-18 | Ultra-Lum, Inc. | Electronic ballast for transilluminators and crosslinkers |
US5500575A (en) * | 1993-10-27 | 1996-03-19 | Lighting Control, Inc. | Switchmode AC power controller |
US6034488A (en) * | 1996-06-04 | 2000-03-07 | Lighting Control, Inc. | Electronic ballast for fluorescent lighting system including a voltage monitoring circuit |
SG68587A1 (en) * | 1996-07-27 | 1999-11-16 | Singapore Productivity And Sta | An electronic ballast circuit |
DE19901585A1 (de) | 1999-01-16 | 2000-07-20 | Hella Kg Hueck & Co | Vorschaltgerät für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug |
US7126450B2 (en) * | 1999-06-21 | 2006-10-24 | Access Business Group International Llc | Inductively powered apparatus |
US7122972B2 (en) | 2003-11-10 | 2006-10-17 | University Of Hong Kong | Dimmable ballast with resistive input and low electromagnetic interference |
US9320115B2 (en) * | 2010-11-30 | 2016-04-19 | The Sloan Company, Inc. | Power control unit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207497A (en) * | 1978-12-05 | 1980-06-10 | Lutron Electronics Co., Inc. | Ballast structure for central high frequency dimming apparatus |
US4346332A (en) * | 1980-08-14 | 1982-08-24 | General Electric Company | Frequency shift inverter for variable power control |
AU555174B2 (en) * | 1981-09-18 | 1986-09-18 | Oy Helvar | Electronic ballast for a discharge lamp |
US4554487A (en) * | 1983-05-17 | 1985-11-19 | Nilssen Ole K | Electronic fluorescent lamp ballast with overload protection |
US4461980A (en) * | 1982-08-25 | 1984-07-24 | Nilssen Ole K | Protection circuit for series resonant electronic ballasts |
ZA847317B (en) * | 1983-09-19 | 1985-06-26 | Minitronics Pty Ltd | Minimization of harmonic contents for mains operated solid state inverters driving gas discharge lamps |
JPH0412636Y2 (de) * | 1985-04-18 | 1992-03-26 | ||
EP0205287B1 (de) * | 1985-06-04 | 1989-12-06 | Thorn Emi Lighting (Nz) Limited | Verbessertes Schaltnetzteil |
US4728866A (en) * | 1986-09-08 | 1988-03-01 | Lutron Electronics Co., Inc. | Power control system |
-
1988
- 1988-03-04 EP EP88301911A patent/EP0307065A3/de not_active Withdrawn
- 1988-03-15 JP JP63059565A patent/JPS6472495A/ja active Pending
- 1988-03-24 AU AU13710/88A patent/AU600348B2/en not_active Ceased
- 1988-09-06 BR BR8804589A patent/BR8804589A/pt unknown
- 1988-09-08 FI FI884128A patent/FI884128A/fi not_active IP Right Cessation
- 1988-09-08 DK DK498788A patent/DK498788A/da not_active Application Discontinuation
- 1988-09-08 NO NO88884003A patent/NO884003L/no unknown
- 1988-09-09 KR KR1019880011689A patent/KR890006110A/ko not_active Application Discontinuation
- 1988-09-09 CN CN88106611A patent/CN1035407A/zh active Pending
-
1989
- 1989-02-15 US US07/310,465 patent/US4933606A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR890006110A (ko) | 1989-05-18 |
EP0307065A2 (de) | 1989-03-15 |
NO884003L (no) | 1989-03-10 |
DK498788D0 (da) | 1988-09-08 |
CN1035407A (zh) | 1989-09-06 |
AU1371088A (en) | 1989-03-09 |
AU600348B2 (en) | 1990-08-09 |
US4933606A (en) | 1990-06-12 |
JPS6472495A (en) | 1989-03-17 |
FI884128A (fi) | 1989-03-10 |
EP0307065A3 (de) | 1989-08-30 |
FI884128A0 (fi) | 1988-09-08 |
BR8804589A (pt) | 1989-04-11 |
NO884003D0 (no) | 1988-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |