GB2145587B - Gas discharging lamp dimming system - Google Patents

Gas discharging lamp dimming system

Info

Publication number
GB2145587B
GB2145587B GB08419809A GB8419809A GB2145587B GB 2145587 B GB2145587 B GB 2145587B GB 08419809 A GB08419809 A GB 08419809A GB 8419809 A GB8419809 A GB 8419809A GB 2145587 B GB2145587 B GB 2145587B
Authority
GB
United Kingdom
Prior art keywords
gas discharging
dimming system
discharging lamp
lamp dimming
gas
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
Application number
GB08419809A
Other versions
GB2145587A (en
GB8419809D0 (en
Inventor
David G Luchaco
Dennis Capewell
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.)
Lutron Electronics Co Inc
Original Assignee
Lutron Electronics Co Inc
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 Lutron Electronics Co Inc filed Critical Lutron Electronics Co Inc
Publication of GB8419809D0 publication Critical patent/GB8419809D0/en
Publication of GB2145587A publication Critical patent/GB2145587A/en
Application granted granted Critical
Publication of GB2145587B publication Critical patent/GB2145587B/en
Expired 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/257—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M5/2573—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit
    • H02M5/2576—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit with digital control
    • 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
GB08419809A 1983-08-25 1984-08-03 Gas discharging lamp dimming system Expired GB2145587B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52632283A 1983-08-25 1983-08-25

Publications (3)

Publication Number Publication Date
GB8419809D0 GB8419809D0 (en) 1984-09-05
GB2145587A GB2145587A (en) 1985-03-27
GB2145587B true GB2145587B (en) 1987-06-10

Family

ID=24096866

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08419809A Expired GB2145587B (en) 1983-08-25 1984-08-03 Gas discharging lamp dimming system

Country Status (8)

Country Link
JP (1) JPS6084800A (en)
KR (1) KR890003062B1 (en)
CA (1) CA1225430A (en)
DE (1) DE3430728A1 (en)
FR (1) FR2551300A1 (en)
GB (1) GB2145587B (en)
HK (1) HK4088A (en)
SG (1) SG73887G (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2710702B2 (en) * 1991-04-24 1998-02-10 松下電工株式会社 Discharge lamp lighting device
DE4231286A1 (en) * 1992-09-18 1994-03-24 Bosch Gmbh Robert Device for igniting gas discharge lamps
US6040661A (en) * 1998-02-27 2000-03-21 Lumion Corporation Programmable universal lighting system
KR20210121326A (en) 2020-03-26 2021-10-08 최성일 Hanji Dryer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1185468A (en) * 1966-12-13 1970-03-25 Admel Internat Ltd Switching Device.
US3706913A (en) * 1971-07-12 1972-12-19 James M Malatchi Plural channel light dimming system
DE2450293C2 (en) * 1974-10-23 1982-09-23 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Circuit arrangement for the remote controllable brightness control of light sources
GB1594836A (en) * 1977-09-27 1981-08-05 Cunningham R J Control apparatus
CA1128604A (en) * 1977-11-07 1982-07-27 Don F. Widmayer Energy conserving automatic light output system
CA1112295A (en) * 1978-03-31 1981-11-10 Nabil K. Takla Programmable lighting control system
GB2024438B (en) * 1978-06-30 1983-04-27 Canon Kk Electrophotographic copier
US4233545A (en) * 1978-09-18 1980-11-11 Webster Lee R Automatic lighting control system
US4233498A (en) * 1979-02-01 1980-11-11 General Electric Company Power control for appliance using high inrush current element
US4242614A (en) * 1979-02-26 1980-12-30 General Electric Company Lighting control system
JPS56139035A (en) * 1980-03-31 1981-10-30 Matsushita Electric Works Ltd Indoor load control device
JPS5769693A (en) * 1980-10-20 1982-04-28 Hitachi Shomei Kk Illumination controller
US4368406A (en) * 1980-12-29 1983-01-11 Ford Motor Company Lamp dimmer control with integral ambient sensor
US4484295A (en) * 1981-05-26 1984-11-20 General Electric Company Control circuit and method for varying the output of a waveform generator to gradually or rapidly vary a control signal from an initial value to a desired value
GB2117192B (en) * 1982-02-26 1986-01-02 Transtar Limited Lamp control circuit

Also Published As

Publication number Publication date
CA1225430A (en) 1987-08-11
GB2145587A (en) 1985-03-27
JPS6084800A (en) 1985-05-14
HK4088A (en) 1988-01-22
DE3430728A1 (en) 1985-03-07
KR850001655A (en) 1985-03-30
FR2551300A1 (en) 1985-03-01
GB8419809D0 (en) 1984-09-05
SG73887G (en) 1988-03-04
KR890003062B1 (en) 1989-08-19

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Legal Events

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

Effective date: 19930803