GB2082359B - Lamp-dimming system - Google Patents
Lamp-dimming systemInfo
- Publication number
- GB2082359B GB2082359B GB8125058A GB8125058A GB2082359B GB 2082359 B GB2082359 B GB 2082359B GB 8125058 A GB8125058 A GB 8125058A GB 8125058 A GB8125058 A GB 8125058A GB 2082359 B GB2082359 B GB 2082359B
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- dimming system
- 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
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
- H05B41/042—Starting switches using semiconductor devices
- H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
- H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
-
- 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
- H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8026864 | 1980-08-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2082359A GB2082359A (en) | 1982-03-03 |
GB2082359B true GB2082359B (en) | 1984-02-22 |
Family
ID=10515520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8125058A Expired GB2082359B (en) | 1980-08-18 | 1981-08-17 | Lamp-dimming system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0046395B1 (en) |
DE (1) | DE3168901D1 (en) |
GB (1) | GB2082359B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2155708B (en) * | 1984-02-24 | 1988-02-10 | Colin Robert Francis | Electrical devices |
GB2174222B (en) * | 1985-04-27 | 1988-09-21 | Peter Stanley Phillips | Remote operation of an electrical light switch |
DE4013360A1 (en) * | 1990-04-26 | 1991-11-14 | Diehl Gmbh & Co | CIRCUIT ARRANGEMENT FOR THE OPERATION OF A FLUORESCENT LAMP |
US5757145A (en) * | 1994-06-10 | 1998-05-26 | Beacon Light Products, Inc. | Dimming control system and method for a fluorescent lamp |
US5652481A (en) * | 1994-06-10 | 1997-07-29 | Beacon Light Products, Inc. | Automatic state tranition controller for a fluorescent lamp |
US5955847A (en) * | 1994-06-10 | 1999-09-21 | Beacon Light Products, Inc. | Method for dimming a fluorescent lamp |
DE4421736C2 (en) * | 1994-06-22 | 1998-06-18 | Wolfgang Nuetzel | Controllable lighting system |
DE19502772C2 (en) * | 1995-01-30 | 2002-02-28 | Walter Holzer | Electronic ballast for fluorescent lamps |
WO1996028958A1 (en) * | 1995-03-16 | 1996-09-19 | Beacon Light Products, Inc. | Dimming controller and method for a fluorescent lamp |
GB9509234D0 (en) * | 1995-05-05 | 1995-06-28 | Bailey Arthur R | High frequency fluorescent lamp circuit with ballast protection |
US5736817A (en) * | 1995-09-19 | 1998-04-07 | Beacon Light Products, Inc. | Preheating and starting circuit and method for a fluorescent lamp |
US5631523A (en) * | 1995-09-19 | 1997-05-20 | Beacon Light Products, Inc. | Method of regulating lamp current through a fluorescent lamp by pulse energizing a driving supply |
US5739640A (en) * | 1995-12-08 | 1998-04-14 | Beacon Light Products, Inc. | Low line voltage detection control module and method for a fluorescent lamp |
DE19632282A1 (en) * | 1996-08-09 | 1998-02-19 | Holzer Walter Prof Dr H C Ing | Process and device for controlling the brightness of fluorescent lamps |
AU2003223887A1 (en) * | 2002-03-20 | 2003-09-29 | Gernot Hass | Spotlight system having a regulating device |
US20110293830A1 (en) | 2010-02-25 | 2011-12-01 | Timo Hatanpaa | Precursors and methods for atomic layer deposition of transition metal oxides |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1500891A (en) * | 1974-07-18 | 1978-02-15 | Gen Electric Co Ltd | Systems for transmitting information in an alternating current electricity supply system |
US3970893A (en) * | 1974-11-27 | 1976-07-20 | Strand Century Incorporated | Apparatus for controlling the intensity of lights |
CA1112295A (en) * | 1978-03-31 | 1981-11-10 | Nabil K. Takla | Programmable lighting control system |
-
1981
- 1981-08-17 DE DE8181303732T patent/DE3168901D1/en not_active Expired
- 1981-08-17 GB GB8125058A patent/GB2082359B/en not_active Expired
- 1981-08-17 EP EP19810303732 patent/EP0046395B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0046395A1 (en) | 1982-02-24 |
EP0046395B1 (en) | 1985-02-13 |
DE3168901D1 (en) | 1985-03-28 |
GB2082359A (en) | 1982-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |