GB2194399B - Fluorescent lighting control - Google Patents
Fluorescent lighting controlInfo
- Publication number
- GB2194399B GB2194399B GB8615343A GB8615343A GB2194399B GB 2194399 B GB2194399 B GB 2194399B GB 8615343 A GB8615343 A GB 8615343A GB 8615343 A GB8615343 A GB 8615343A GB 2194399 B GB2194399 B GB 2194399B
- Authority
- GB
- United Kingdom
- Prior art keywords
- lighting control
- fluorescent lighting
- fluorescent
- control
- lighting
- 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 - Fee Related
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
- H05B41/40—Controlling the intensity of light discontinuously
- H05B41/42—Controlling the intensity of light discontinuously in two steps only
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8615343A GB2194399B (en) | 1986-06-24 | 1986-06-24 | Fluorescent lighting control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8615343A GB2194399B (en) | 1986-06-24 | 1986-06-24 | Fluorescent lighting control |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8615343D0 GB8615343D0 (en) | 1986-07-30 |
GB2194399A GB2194399A (en) | 1988-03-02 |
GB2194399B true GB2194399B (en) | 1990-11-14 |
Family
ID=10599979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8615343A Expired - Fee Related GB2194399B (en) | 1986-06-24 | 1986-06-24 | Fluorescent lighting control |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2194399B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0934682B1 (en) * | 1996-10-24 | 2010-08-11 | Ncon Corporation Pty Limited | A power control apparatus for lighting systems |
GB2337644B (en) * | 1998-05-22 | 2002-07-17 | Mackwell Electronics Ltd | Fluorescent Lamps for Emergency Lighting Applications |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429162A (en) * | 1943-01-18 | 1947-10-14 | Boucher And Keiser Company | Starting and operating of fluorescent lamps |
GB722823A (en) * | 1952-01-31 | 1955-02-02 | Hanovia Chemical & Mfg Co | Improvements in or relating to operating systems for a discharge lamp |
GB1185468A (en) * | 1966-12-13 | 1970-03-25 | Admel Internat Ltd | Switching Device. |
GB1221958A (en) * | 1967-07-25 | 1971-02-10 | Berkey Photo Inc | Electric system for controlling a gas discharge lamp and a lamp housing shutter |
US4189664A (en) * | 1977-10-05 | 1980-02-19 | Hirschfeld Richard L | Power control unit for automatic control of power consumption in a lighting load |
GB2033175A (en) * | 1978-09-25 | 1980-05-14 | Hirschfeld R | Three phase power control transformer arrangement |
WO1981000184A1 (en) * | 1979-07-05 | 1981-01-22 | J Swinea | Dimmer circuit for fluorescent lamps |
US4256993A (en) * | 1979-06-04 | 1981-03-17 | Westinghouse Electric Corp. | Energy saving device for rapid-start fluorescent lamp system |
US4388564A (en) * | 1981-03-09 | 1983-06-14 | General Electric Company | Energy saving fluorescent lamp circuit |
US4431948A (en) * | 1982-08-09 | 1984-02-14 | Standun Controls, Inc. | Apparatus for control of load power consumption |
GB2136226A (en) * | 1983-03-09 | 1984-09-12 | Lutron Electronics Co | Load switching arrangement for gas discharge lamp circuit |
US4513224A (en) * | 1982-09-22 | 1985-04-23 | Pacific Power Control, Inc. | Fluorescent-lighting-system voltage controller |
-
1986
- 1986-06-24 GB GB8615343A patent/GB2194399B/en not_active Expired - Fee Related
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429162A (en) * | 1943-01-18 | 1947-10-14 | Boucher And Keiser Company | Starting and operating of fluorescent lamps |
GB722823A (en) * | 1952-01-31 | 1955-02-02 | Hanovia Chemical & Mfg Co | Improvements in or relating to operating systems for a discharge lamp |
GB1185468A (en) * | 1966-12-13 | 1970-03-25 | Admel Internat Ltd | Switching Device. |
GB1221958A (en) * | 1967-07-25 | 1971-02-10 | Berkey Photo Inc | Electric system for controlling a gas discharge lamp and a lamp housing shutter |
US4189664A (en) * | 1977-10-05 | 1980-02-19 | Hirschfeld Richard L | Power control unit for automatic control of power consumption in a lighting load |
GB2033175A (en) * | 1978-09-25 | 1980-05-14 | Hirschfeld R | Three phase power control transformer arrangement |
US4256993A (en) * | 1979-06-04 | 1981-03-17 | Westinghouse Electric Corp. | Energy saving device for rapid-start fluorescent lamp system |
WO1981000184A1 (en) * | 1979-07-05 | 1981-01-22 | J Swinea | Dimmer circuit for fluorescent lamps |
US4388564A (en) * | 1981-03-09 | 1983-06-14 | General Electric Company | Energy saving fluorescent lamp circuit |
US4431948A (en) * | 1982-08-09 | 1984-02-14 | Standun Controls, Inc. | Apparatus for control of load power consumption |
US4513224A (en) * | 1982-09-22 | 1985-04-23 | Pacific Power Control, Inc. | Fluorescent-lighting-system voltage controller |
GB2136226A (en) * | 1983-03-09 | 1984-09-12 | Lutron Electronics Co | Load switching arrangement for gas discharge lamp circuit |
Also Published As
Publication number | Publication date |
---|---|
GB8615343D0 (en) | 1986-07-30 |
GB2194399A (en) | 1988-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940624 |