FI834428A - ANORDNING FOER STYRNING AV LJUSINTENSITET HOS LAOGTRYCKSURLADDNINGSLAMPOR. - Google Patents
ANORDNING FOER STYRNING AV LJUSINTENSITET HOS LAOGTRYCKSURLADDNINGSLAMPOR. Download PDFInfo
- Publication number
- FI834428A FI834428A FI834428A FI834428A FI834428A FI 834428 A FI834428 A FI 834428A FI 834428 A FI834428 A FI 834428A FI 834428 A FI834428 A FI 834428A FI 834428 A FI834428 A FI 834428A
- Authority
- FI
- Finland
- Prior art keywords
- ljusintensitet
- laogtrycksurladdningslampor
- hos
- anordning foer
- foer styrning
- 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
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823245817 DE3245817A1 (en) | 1982-12-10 | 1982-12-10 | Arrangement for controlling the brightness of a low-pressure discharge lamp |
DE3245817 | 1982-12-10 | ||
DE3328378 | 1983-08-05 | ||
DE19833328378 DE3328378A1 (en) | 1983-08-05 | 1983-08-05 | Arrangement for controlling the brightness of a low-pressure discharge lamp |
Publications (4)
Publication Number | Publication Date |
---|---|
FI834428A0 FI834428A0 (en) | 1983-12-02 |
FI834428A true FI834428A (en) | 1984-06-11 |
FI78212B FI78212B (en) | 1989-02-28 |
FI78212C FI78212C (en) | 1989-06-12 |
Family
ID=25806463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI834428A FI78212C (en) | 1982-12-10 | 1983-12-02 | Apparatus for controlling light intensity of low-pressure discharge lamps |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0111296B1 (en) |
DE (1) | DE3373399D1 (en) |
FI (1) | FI78212C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3826234A1 (en) * | 1988-08-02 | 1990-02-08 | Kulzer & Co Gmbh | CIRCUIT ARRANGEMENT FOR OPERATING A LOW-PRESSURE GAS DISCHARGE LAMP |
US5144205A (en) * | 1989-05-18 | 1992-09-01 | Lutron Electronics Co., Inc. | Compact fluorescent lamp dimming system |
DE4025939C2 (en) * | 1990-08-16 | 1994-03-24 | Diehl Gmbh & Co | Circuit arrangement for starting and controlling the brightness of a fluorescent lamp during operation |
DE4025938A1 (en) * | 1990-08-16 | 1992-02-20 | Diehl Gmbh & Co | CIRCUIT ARRANGEMENT FOR THE OPERATION OF A FLUORESCENT LAMP |
DK1095541T3 (en) * | 1998-10-01 | 2002-10-14 | Future New Developments Ltd | Coupling device for energy saving operation of a fluorescent lamp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2508923A1 (en) * | 1975-03-01 | 1976-09-09 | Bbc Brown Boveri & Cie | Control and supply circuit for fluorescent tube - has dimmer coupled via frequency dependent pulse separator, rectifier and switch to control transformer |
US4230971A (en) * | 1978-09-07 | 1980-10-28 | Datapower, Inc. | Variable intensity control apparatus for operating a gas discharge lamp |
JPS5919639B2 (en) * | 1979-09-28 | 1984-05-08 | 東芝ライテック株式会社 | discharge lamp lighting device |
EP0060458A3 (en) * | 1981-03-16 | 1983-08-03 | Koch Elektronik + Apparatebau AG | Device for regulating the light intensity of a fluorescent lamp |
-
1983
- 1983-12-02 FI FI834428A patent/FI78212C/en not_active IP Right Cessation
- 1983-12-06 DE DE8383112266T patent/DE3373399D1/en not_active Expired
- 1983-12-06 EP EP83112266A patent/EP0111296B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3373399D1 (en) | 1987-10-08 |
FI834428A0 (en) | 1983-12-02 |
FI78212C (en) | 1989-06-12 |
FI78212B (en) | 1989-02-28 |
EP0111296A1 (en) | 1984-06-20 |
EP0111296B1 (en) | 1987-09-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI834261A (en) | PAOSLIKNANDE SAECKAR FOER FOERVARING AV VAETSKOR. | |
FI824215L (en) | FOERFARANDE FOER UPPLOESNING AV CELLULOSAKARBAMAT. | |
FI834454A (en) | FOERFARANDE FOER UPPARBETNING AV KOMPLEXA SULFIDISKA MALMKONCENTRAT. | |
FI834397A (en) | LINDNING AV CELLULOSABANOR. | |
FI823929L (en) | ODLINGSGRUPP FOER SKOLNING AV PLANTOR. | |
FI834584A (en) | FOERFARANDE FOER FRAMSTAELLNING AV ARMERINGSSKIKT FOER GUMMIPRODUKTER. | |
FI834238A (en) | FOERFARANDE FOER FRAMSTAELLNING AV CITRUSSAFTKONCENTRAT. | |
FI834231A (en) | ENZYMATISK SYNTES AV L-SERIN. | |
FI834372A (en) | FOERBINDNING AV SKIDSKO. | |
FI833864A (en) | STAELL FOER LAGRING AV KAERNBRAENSLE- ELEMENT. | |
FI831490L (en) | SAETT ATT UNDVIKA HAOLLFASTHETSFOERSAEMRING HOS SPAONSKIVOR. | |
FI830977L (en) | FOERFARANDE FOER BESTAEMNING AV LOESGOERNING AV AEGGCELL HOS KVINNA | |
FI834382A (en) | FOERFARANDE FOER DELIGNIFIERANDE BLEKNING AV CELLULOSAMASSA. | |
FI834259A (en) | FOERFARANDE FOER FRAMSTAELLNING AV OPTISKT AKTIVA CYANOMETYLESTRAR. | |
FI73996B (en) | FOERFARANDE FOER FRAMSTAELLNING AV ERGOLINDERIVAT. | |
FI74015B (en) | FOERFARANDE FOER FRAMSTAELLNING AV FARMAKOLOGISKT VAERDEFULLA VINYLTIOACETAMIDOOXAKEFALOSPORINDERIVAT. | |
FI73491B (en) | FOERBINDELSEDEL FOER TVAO BYGGNADSELEMENT AV STAOLBETONG. | |
FI74022B (en) | FOERFARANDE FOER FRAMSTAELLNING AV TERAPEUTISKT AKTIVA ANTRACYKLINGLYKOSIDER. | |
FI834340A (en) | FOERFARANDE FOER FRAMSTAELLNING AV TERAPEUTISKT ANVAENDBARA SVAVELHALTIGA BENSYLIDENDERIVAT. | |
FI844350A0 (en) | FOERFARANDE FOER FOERBAETTRANDE AV KVALITETEN HOS TALLOLJEFETTSYROR. | |
FI834521A (en) | FOERFARANDE FOER BEKAEMPNING AV SVAMPINFEKTIONER. | |
FI834428A (en) | ANORDNING FOER STYRNING AV LJUSINTENSITET HOS LAOGTRYCKSURLADDNINGSLAMPOR. | |
FI834409A (en) | FOERFARANDE FOER FRAMSTAELLNING AV PYRIDONDERIVAT. | |
FI824348L (en) | FOERFARANDE FOER KONSTATERING AV JUVERINFLAMMATION. | |
FI834620A (en) | FRAMSTAELLNING AV EN FIBERMASSA AV PAPPERSAVFALL. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |