ES483620A1 - Una disposicion de circuito atenuador para controlar la can-tidad de corriente que pasa a traves de una lampara de des- carga de elevada intensidad. - Google Patents
Una disposicion de circuito atenuador para controlar la can-tidad de corriente que pasa a traves de una lampara de des- carga de elevada intensidad.Info
- Publication number
- ES483620A1 ES483620A1 ES483620A ES483620A ES483620A1 ES 483620 A1 ES483620 A1 ES 483620A1 ES 483620 A ES483620 A ES 483620A ES 483620 A ES483620 A ES 483620A ES 483620 A1 ES483620 A1 ES 483620A1
- Authority
- ES
- Spain
- Prior art keywords
- variable frequency
- high intensity
- discharge lamps
- gaseous discharge
- frequency dimming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000001939 inductive effect Effects 0.000 abstract 1
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
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Una disposición de circuito atenuador para controlar la cantidad de corriente que pasa a través de una lámpara de descarga de elevada intensidad, que comprende: medios de frecuencia variable para producir una tensión de corriente alterna a amplitud sensiblemente constante y de frecuencia variable; y medios de reactancia conectados a dichos medios de frecuencia variable y a la lámpara, teniendo dichos medios desde dichos medios de frecuencia variable a una frecuencia diferente de la frecuencia para hacer funcionar la lámpara bajo estado inactivo que aumenta la impedancia efectiva de dichos medios de reactancia, con lo que se reduce la corriente efectiva a través de la lámpara en comparación con la aplicación del mismo nivel de tensión aplicado a la frecuencia para hacer funcionar la lámpara bajo condición inactiva.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93688278A | 1978-08-25 | 1978-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES483620A1 true ES483620A1 (es) | 1980-04-01 |
Family
ID=25469192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES483620A Expired ES483620A1 (es) | 1978-08-25 | 1979-08-24 | Una disposicion de circuito atenuador para controlar la can-tidad de corriente que pasa a traves de una lampara de des- carga de elevada intensidad. |
Country Status (9)
Country | Link |
---|---|
AU (1) | AU526724B2 (es) |
BE (1) | BE878227A (es) |
CA (1) | CA1130852A (es) |
DE (1) | DE2931794A1 (es) |
ES (1) | ES483620A1 (es) |
FR (1) | FR2434547A1 (es) |
GB (1) | GB2029134B (es) |
IT (1) | IT1117392B (es) |
MX (1) | MX147513A (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983002537A1 (en) † | 1982-01-15 | 1983-07-21 | Vossough, Eshan | Electronic high frequency controlled device for operating gas discharge lamps |
US4843627A (en) * | 1986-08-05 | 1989-06-27 | Stebbins Russell T | Circuit and method for providing a light energy response to an event in real time |
DE19708187A1 (de) * | 1997-02-28 | 1998-09-03 | Uwe Unterwasser Electric Gmbh | Anordnung und Verfahren zur Ansteuerung von Lampenschaltungen |
GB2477507A (en) * | 2010-02-03 | 2011-08-10 | Emil Blumer | Control of luminance of gas discharge lamp using variable frequency drive |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB720279A (en) * | 1951-08-09 | 1954-12-15 | Gen Electric Co Ltd | Improvements in or relating to circuits for operating electric discharge lamps |
GB955656A (en) * | 1959-05-19 | 1964-04-15 | A E I Lamp And Lighting Compan | Operation of electric discharge lamps |
US3836815A (en) * | 1972-05-24 | 1974-09-17 | Gen Electric | Emergency instant-start lighting system for arc discharge devices |
-
1979
- 1979-06-29 CA CA330,874A patent/CA1130852A/en not_active Expired
- 1979-07-09 GB GB7923899A patent/GB2029134B/en not_active Expired
- 1979-07-13 IT IT49748/79A patent/IT1117392B/it active
- 1979-08-04 DE DE19792931794 patent/DE2931794A1/de not_active Withdrawn
- 1979-08-13 BE BE0/196720A patent/BE878227A/xx not_active IP Right Cessation
- 1979-08-17 FR FR7921310A patent/FR2434547A1/fr active Pending
- 1979-08-20 AU AU50089/79A patent/AU526724B2/en not_active Withdrawn - After Issue
- 1979-08-23 MX MX179037A patent/MX147513A/es unknown
- 1979-08-24 ES ES483620A patent/ES483620A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT7949748A0 (it) | 1979-07-13 |
MX147513A (es) | 1982-12-10 |
DE2931794A1 (de) | 1980-03-06 |
BE878227A (fr) | 1979-12-03 |
IT1117392B (it) | 1986-02-17 |
AU526724B2 (en) | 1983-01-27 |
CA1130852A (en) | 1982-08-31 |
GB2029134A (en) | 1980-03-12 |
AU5008979A (en) | 1980-02-28 |
GB2029134B (en) | 1982-11-03 |
FR2434547A1 (fr) | 1980-03-21 |
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