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GB2194399B - Fluorescent lighting control - Google Patents

Fluorescent lighting control

Info

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
Application number
GB8615343A
Other versions
GB2194399A (en
GB8615343D0 (en
Inventor
Peter John Harding
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RADFORD OF BRISTOL Ltd
Original Assignee
RADFORD OF BRISTOL Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RADFORD OF BRISTOL Ltd filed Critical RADFORD OF BRISTOL Ltd
Priority to GB8615343A priority Critical patent/GB2194399B/en
Publication of GB8615343D0 publication Critical patent/GB8615343D0/en
Publication of GB2194399A publication Critical patent/GB2194399A/en
Application granted granted Critical
Publication of GB2194399B publication Critical patent/GB2194399B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
GB8615343A 1986-06-24 1986-06-24 Fluorescent lighting control Expired - Fee Related GB2194399B (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU744659B2 (en) * 1996-10-24 2002-02-28 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)

* Cited by examiner, † Cited by third party
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

Patent Citations (12)

* Cited by examiner, † Cited by third party
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
GB2194399A (en) 1988-03-02
GB8615343D0 (en) 1986-07-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940624