AT354564B - CONTROL UNIT FOR DISCHARGE LAMPS - Google Patents
CONTROL UNIT FOR DISCHARGE LAMPSInfo
- Publication number
- AT354564B AT354564B AT394275A AT394275A AT354564B AT 354564 B AT354564 B AT 354564B AT 394275 A AT394275 A AT 394275A AT 394275 A AT394275 A AT 394275A AT 354564 B AT354564 B AT 354564B
- Authority
- AT
- Austria
- Prior art keywords
- control unit
- discharge lamps
- lamps
- discharge
- unit
- 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
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/048—Starting switches using electromagnetic relays
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742425720 DE2425720B2 (en) | 1974-05-28 | 1974-05-28 | CIRCUIT ARRANGEMENT FOR IGNITING AND OPERATING GAS DISCHARGE LAMPS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AT354564B true AT354564B (en) | 1979-01-10 |
| ATA394275A ATA394275A (en) | 1979-06-15 |
Family
ID=5916646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT394275A AT354564B (en) | 1974-05-28 | 1975-05-23 | CONTROL UNIT FOR DISCHARGE LAMPS |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT354564B (en) |
| BE (1) | BE829570A (en) |
| CH (1) | CH584499A5 (en) |
| DE (1) | DE2425720B2 (en) |
| NL (1) | NL7506297A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2438407A1 (en) * | 1978-10-03 | 1980-04-30 | Bourboulon Henri | Supply circuit for discharge lamp - uses trial to ensure disconnection if lamp inductance or capacitor develops fault |
| US4810936A (en) * | 1986-12-01 | 1989-03-07 | Hubbell Incorporated | Failing lamp monitoring and deactivating circuit |
| US5072156A (en) * | 1990-11-29 | 1991-12-10 | North American Philips Corporation | Ballast circuit with means to disconnect power factor capacitor |
| US5175469A (en) * | 1991-05-21 | 1992-12-29 | North American Philips Corporation | Combination including an emergency lighting arrangement |
| US5453666A (en) * | 1992-03-24 | 1995-09-26 | Philips Electronics North America Corporation | High intensity discharge lamp ballast having a transient protected power factor correction scheme |
| US5430354A (en) * | 1992-03-24 | 1995-07-04 | North American Philips Corporation | HID lamp and auxiliary lamp ballast using a single multiple function switch |
| WO1996004770A1 (en) * | 1994-07-29 | 1996-02-15 | Philips Electronics N.V. | A high intensity discharge lamp ballast |
-
1974
- 1974-05-28 DE DE19742425720 patent/DE2425720B2/en active Granted
-
1975
- 1975-05-20 CH CH645175A patent/CH584499A5/xx not_active IP Right Cessation
- 1975-05-23 AT AT394275A patent/AT354564B/en not_active IP Right Cessation
- 1975-05-28 NL NL7506297A patent/NL7506297A/en not_active Application Discontinuation
- 1975-05-28 BE BE156773A patent/BE829570A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE829570A (en) | 1975-09-15 |
| ATA394275A (en) | 1979-06-15 |
| DE2425720B2 (en) | 1976-04-08 |
| NL7506297A (en) | 1975-12-02 |
| CH584499A5 (en) | 1977-01-31 |
| DE2425720A1 (en) | 1975-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| ELJ | Ceased due to non-payment of the annual fee |