CH584499A5 - - Google Patents
Info
- Publication number
- CH584499A5 CH584499A5 CH645175A CH645175A CH584499A5 CH 584499 A5 CH584499 A5 CH 584499A5 CH 645175 A CH645175 A CH 645175A CH 645175 A CH645175 A CH 645175A CH 584499 A5 CH584499 A5 CH 584499A5
- Authority
- CH
- Switzerland
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 (de) | 1974-05-28 | 1974-05-28 | Schaltungsanordnung zum zuenden und betrieb von gasentladungslampen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH584499A5 true CH584499A5 (da) | 1977-01-31 |
Family
ID=5916646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH645175A CH584499A5 (da) | 1974-05-28 | 1975-05-20 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT354564B (da) |
| BE (1) | BE829570A (da) |
| CH (1) | CH584499A5 (da) |
| DE (1) | DE2425720B2 (da) |
| NL (1) | NL7506297A (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2438407A1 (fr) * | 1978-10-03 | 1980-04-30 | Bourboulon Henri | Circuit d'alimentation de lampes a decharge, en vue de la protection du reseau de distribution |
| 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 |
| EP0721730A1 (en) * | 1994-07-29 | 1996-07-17 | Koninklijke Philips Electronics N.V. | A high intensity discharge lamp ballast |
-
1974
- 1974-05-28 DE DE19742425720 patent/DE2425720B2/de active Granted
-
1975
- 1975-05-20 CH CH645175A patent/CH584499A5/xx not_active IP Right Cessation
- 1975-05-23 AT AT394275A patent/AT354564B/de not_active IP Right Cessation
- 1975-05-28 NL NL7506297A patent/NL7506297A/xx not_active Application Discontinuation
- 1975-05-28 BE BE156773A patent/BE829570A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2425720A1 (de) | 1975-12-11 |
| DE2425720B2 (de) | 1976-04-08 |
| NL7506297A (nl) | 1975-12-02 |
| ATA394275A (de) | 1979-06-15 |
| BE829570A (fr) | 1975-09-15 |
| AT354564B (de) | 1979-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |