FI101187B1 - Lampputehon mittauksella varustettu säädettävä elektroninen liitäntälaite - Google Patents
Lampputehon mittauksella varustettu säädettävä elektroninen liitäntälaiteInfo
- Publication number
- FI101187B1 FI101187B1 FI970017A FI970017A FI101187B1 FI 101187 B1 FI101187 B1 FI 101187B1 FI 970017 A FI970017 A FI 970017A FI 970017 A FI970017 A FI 970017A FI 101187 B1 FI101187 B1 FI 101187B1
- Authority
- FI
- Finland
- Prior art keywords
- measurement
- connection means
- lamp power
- electronic connection
- adjustable electronic
- 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
- 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI970017A FI101187B1 (fi) | 1997-01-03 | 1997-01-03 | Lampputehon mittauksella varustettu säädettävä elektroninen liitäntälaite |
EP97660148A EP0853445A1 (en) | 1997-01-03 | 1997-12-19 | Controllable or dimmable electronic ballast provided with a lamp power measurement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI970017A FI101187B1 (fi) | 1997-01-03 | 1997-01-03 | Lampputehon mittauksella varustettu säädettävä elektroninen liitäntälaite |
FI970017 | 1997-01-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI970017A0 FI970017A0 (fi) | 1997-01-03 |
FI101187B FI101187B (fi) | 1998-04-30 |
FI101187B1 true FI101187B1 (fi) | 1998-04-30 |
Family
ID=8547417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI970017A FI101187B1 (fi) | 1997-01-03 | 1997-01-03 | Lampputehon mittauksella varustettu säädettävä elektroninen liitäntälaite |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0853445A1 (fi) |
FI (1) | FI101187B1 (fi) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110761262B (zh) * | 2019-10-14 | 2020-09-11 | 浙江大学 | 一种自供能的高铁路基监测***及监测方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE58907133D1 (de) * | 1989-10-09 | 1994-04-07 | Siemens Ag | Elektronisches Vorschaltgerät. |
DE4018127A1 (de) * | 1990-06-06 | 1991-12-12 | Zumtobel Ag | Verfahren und schaltungsanordnung zur regelung der helligkeit (dimmen) von gasentladungslampen |
US5424611A (en) * | 1993-12-22 | 1995-06-13 | At&T Corp. | Method for pre-heating a gas-discharge lamp |
US5656891A (en) * | 1994-10-13 | 1997-08-12 | Tridonic Bauelemente Gmbh | Gas discharge lamp ballast with heating control circuit and method of operating same |
EP0779016B1 (en) * | 1995-06-29 | 2001-10-31 | Koninklijke Philips Electronics N.V. | Circuit arrangement |
US5612595A (en) * | 1995-09-13 | 1997-03-18 | C-P-M Lighting, Inc. | Electronic dimming ballast current sensing scheme |
-
1997
- 1997-01-03 FI FI970017A patent/FI101187B1/fi not_active IP Right Cessation
- 1997-12-19 EP EP97660148A patent/EP0853445A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FI101187B (fi) | 1998-04-30 |
EP0853445A1 (en) | 1998-07-15 |
FI970017A0 (fi) | 1997-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: OY HELVAR |
|
MA | Patent expired |