SG73887G - Gas discharge lamp dimming system employing switching contact inputs - Google Patents

Gas discharge lamp dimming system employing switching contact inputs

Info

Publication number
SG73887G
SG73887G SG738/87A SG73887A SG73887G SG 73887 G SG73887 G SG 73887G SG 738/87 A SG738/87 A SG 738/87A SG 73887 A SG73887 A SG 73887A SG 73887 G SG73887 G SG 73887G
Authority
SG
Singapore
Prior art keywords
discharge lamp
gas discharge
system employing
switching contact
dimming system
Prior art date
Application number
SG738/87A
Original Assignee
Lutron Electronics Co
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 filed Critical Lutron Electronics Co
Publication of SG73887G publication Critical patent/SG73887G/en

Links

Classifications

    • 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
    • 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)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
SG738/87A 1983-08-25 1987-09-08 Gas discharge lamp dimming system employing switching contact inputs SG73887G (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SG73887G true SG73887G (en) 1988-03-04

Family

ID=24096866

Family Applications (1)

Application Number Title Priority Date Filing Date
SG738/87A SG73887G (en) 1983-08-25 1987-09-08 Gas discharge lamp dimming system employing switching contact inputs

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
GB2145587B (en) 1987-06-10
FR2551300A1 (en) 1985-03-01
GB8419809D0 (en) 1984-09-05
CA1225430A (en) 1987-08-11
HK4088A (en) 1988-01-22
KR850001655A (en) 1985-03-30
JPS6084800A (en) 1985-05-14
DE3430728A1 (en) 1985-03-07
KR890003062B1 (en) 1989-08-19
GB2145587A (en) 1985-03-27

Similar Documents

Publication Publication Date Title
GB2136645B (en) Control circuit for gas discharge lamps
GB2132011B (en) Gas discharge lamp
DE3464297D1 (en) Electrodeless discharge lamp
GB8519442D0 (en) Gas discharge lamp dimming ballast
GB8606063D0 (en) Arc discharge lamp
AU8316582A (en) Ballast circuit for discharge lamp
GB8503000D0 (en) Gas discharge lamp
SG21887G (en) Gas discharge lamp control arrangement
DE3278095D1 (en) Arc discharge lamp
DE3478976D1 (en) High pressure electric discharge lamp
DE3471229D1 (en) Operating circuit for electric discharge lamp
AU2324484A (en) Operating circuit for discharge lamp
GB2136226B (en) Load switching arrangement for gas discharge lamp circuit
DE3467677D1 (en) Circuit arrangement for operating high-pressure gas discharge lamps
GB8321848D0 (en) Discharge lamps
GB2154342B (en) Discharge lamp control circuit
DE3471822D1 (en) High-pressure gas discharge lamp
HUT42881A (en) Circuit arrangement for operating high-pressure discharge lamp
SG73887G (en) Gas discharge lamp dimming system employing switching contact inputs
GB8405149D0 (en) Discharge lamps
GB8806253D0 (en) Current interruption operating circuit for gaseous discharge lamp
GB8312139D0 (en) Gas discharge lamp
DE3461366D1 (en) Discharge lamp
HUT59785A (en) System for operating discharge lamps with electrode circuit break
DE3476315D1 (en) Lighting circuit for electric discharge lamp