EP0375289A3 - Electric lighting and power controllers therefor - Google Patents

Electric lighting and power controllers therefor Download PDF

Info

Publication number
EP0375289A3
EP0375289A3 EP19890313129 EP89313129A EP0375289A3 EP 0375289 A3 EP0375289 A3 EP 0375289A3 EP 19890313129 EP19890313129 EP 19890313129 EP 89313129 A EP89313129 A EP 89313129A EP 0375289 A3 EP0375289 A3 EP 0375289A3
Authority
EP
European Patent Office
Prior art keywords
electric lighting
power controllers
controllers therefor
therefor
load current
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.)
Granted
Application number
EP19890313129
Other languages
German (de)
French (fr)
Other versions
EP0375289B1 (en
EP0375289A2 (en
Inventor
David Ronald Bertenshaw
Richard Williamson
John Wright
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.)
Strand Lighting Ltd
Original Assignee
Strand Lighting 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 Strand Lighting Ltd filed Critical Strand Lighting Ltd
Publication of EP0375289A2 publication Critical patent/EP0375289A2/en
Publication of EP0375289A3 publication Critical patent/EP0375289A3/en
Application granted granted Critical
Publication of EP0375289B1 publication Critical patent/EP0375289B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/45—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
    • G05F1/455—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control

Abstract

In a lighting power controller, the load current is measured, and the supply voltage is increased/decreased with increasing/decreasing load current to compensate for voltage drops in the supply circuit to the load.
EP19890313129 1988-12-20 1989-12-15 Electric lighting and power controllers therefor Expired - Lifetime EP0375289B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8829651A GB2226431B (en) 1988-12-20 1988-12-20 Electric lighting and power controllers therefor
GB8829651 1988-12-20

Publications (3)

Publication Number Publication Date
EP0375289A2 EP0375289A2 (en) 1990-06-27
EP0375289A3 true EP0375289A3 (en) 1991-08-28
EP0375289B1 EP0375289B1 (en) 1994-07-20

Family

ID=10648776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890313129 Expired - Lifetime EP0375289B1 (en) 1988-12-20 1989-12-15 Electric lighting and power controllers therefor

Country Status (5)

Country Link
EP (1) EP0375289B1 (en)
AU (1) AU4701289A (en)
CA (1) CA1334299C (en)
DE (1) DE68916924T2 (en)
GB (1) GB2226431B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9213291D0 (en) * 1992-06-23 1992-08-05 Electrosonic Ltd A power controller,for example a dimmer for electric lamps
DE4231060A1 (en) * 1992-09-17 1994-03-24 Abb Patent Gmbh Electronic dimming method and dimmer for carrying out the method
ES2070051B1 (en) * 1992-11-27 1997-02-16 Ingenieria De Sistemas De Cont STATIC ENERGY REGULATOR FOR LIGHTING NETWORKS WITH CONTROL OVER THE MAGNITUDE OF INTENSITY AND / OR VOLTAGE, HARMONIC CONTENT AND REACTIVE ENERGY SUPPLIED WITH THE LOAD.
US20020105290A1 (en) 1996-03-06 2002-08-08 Chansky Leonard M. Theatrical lighting control network
AU707589B2 (en) * 1995-02-15 1999-07-15 Vari-Lite, Inc. Techniques for controlling remote lamp loads
GB2300254B (en) * 1995-04-28 1999-04-07 Cct Lighting Ltd Improvements in or relating to lighting systems
EP0966088A1 (en) * 1998-06-16 1999-12-22 Koninklijke Philips Electronics N.V. Radio technical apparatus including a power supply
US6175215B1 (en) * 1999-12-29 2001-01-16 Qualcomm Incorporated System and method for efficiently charging a battery over a linear or nonlinear interface
JP6805888B2 (en) * 2017-02-28 2020-12-23 東芝ライテック株式会社 Lighting system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644785A (en) * 1968-10-09 1972-02-22 Sveriges Radio Ab Illumination arrangement for recording and/or reproduction in color
FR2527859A1 (en) * 1982-05-28 1983-12-02 Gen Electric CIRCUIT AND METHOD FOR CONTROLLING THE LOAD RESISTANCE OF AN ELECTRIC LOAD
DE3316761A1 (en) * 1983-05-07 1984-11-08 Ralph Dipl.-Ing. 6800 Mannheim Kennel Predictive control method
EP0124864A1 (en) * 1983-05-06 1984-11-14 Dentsply International, Inc. Power control apparatus with optical isolation feedback means
DE3605278C1 (en) * 1986-02-19 1987-07-23 Espe Pharm Praep Circuit for feeding a dental photopolymerization device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004214A (en) * 1975-03-28 1977-01-18 Viva-Tech, Inc. Phase-controlled voltage regulator
US4380730A (en) * 1981-05-06 1983-04-19 Morton Jr Henry H Electrical power regulating apparatus and method
US4635178A (en) * 1983-11-04 1987-01-06 Ceag Electric Corp. Paralleled DC power supplies sharing loads equally

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644785A (en) * 1968-10-09 1972-02-22 Sveriges Radio Ab Illumination arrangement for recording and/or reproduction in color
FR2527859A1 (en) * 1982-05-28 1983-12-02 Gen Electric CIRCUIT AND METHOD FOR CONTROLLING THE LOAD RESISTANCE OF AN ELECTRIC LOAD
EP0124864A1 (en) * 1983-05-06 1984-11-14 Dentsply International, Inc. Power control apparatus with optical isolation feedback means
DE3316761A1 (en) * 1983-05-07 1984-11-08 Ralph Dipl.-Ing. 6800 Mannheim Kennel Predictive control method
DE3605278C1 (en) * 1986-02-19 1987-07-23 Espe Pharm Praep Circuit for feeding a dental photopolymerization device

Also Published As

Publication number Publication date
GB2226431A (en) 1990-06-27
GB8829651D0 (en) 1989-02-15
EP0375289B1 (en) 1994-07-20
AU4701289A (en) 1990-06-28
DE68916924T2 (en) 1994-11-03
EP0375289A2 (en) 1990-06-27
CA1334299C (en) 1995-02-07
GB2226431B (en) 1992-08-12
DE68916924D1 (en) 1994-08-25

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