GB2226431B - Electric lighting and power controllers therefor - Google Patents

Electric lighting and power controllers therefor

Info

Publication number
GB2226431B
GB2226431B GB8829651A GB8829651A GB2226431B GB 2226431 B GB2226431 B GB 2226431B GB 8829651 A GB8829651 A GB 8829651A GB 8829651 A GB8829651 A GB 8829651A GB 2226431 B GB2226431 B GB 2226431B
Authority
GB
United Kingdom
Prior art keywords
electric lighting
power controllers
controllers therefor
therefor
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
GB8829651A
Other versions
GB2226431A (en
GB8829651D0 (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
Priority to GB8829651A priority Critical patent/GB2226431B/en
Publication of GB8829651D0 publication Critical patent/GB8829651D0/en
Priority to CA 610783 priority patent/CA1334299C/en
Priority to DE1989616924 priority patent/DE68916924T2/en
Priority to EP19890313129 priority patent/EP0375289B1/en
Priority to AU47012/89A priority patent/AU4701289A/en
Publication of GB2226431A publication Critical patent/GB2226431A/en
Application granted granted Critical
Publication of GB2226431B publication Critical patent/GB2226431B/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
    • 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
GB8829651A 1988-12-20 1988-12-20 Electric lighting and power controllers therefor Expired - Fee Related GB2226431B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB8829651A GB2226431B (en) 1988-12-20 1988-12-20 Electric lighting and power controllers therefor
CA 610783 CA1334299C (en) 1988-12-20 1989-09-08 Electric lighting and power controllers therefor
DE1989616924 DE68916924T2 (en) 1988-12-20 1989-12-15 Electric lighting with power controls.
EP19890313129 EP0375289B1 (en) 1988-12-20 1989-12-15 Electric lighting and power controllers therefor
AU47012/89A AU4701289A (en) 1988-12-20 1989-12-19 Electric lighting and power controllers therefor

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8829651D0 GB8829651D0 (en) 1989-02-15
GB2226431A GB2226431A (en) 1990-06-27
GB2226431B true GB2226431B (en) 1992-08-12

Family

ID=10648776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8829651A Expired - Fee Related GB2226431B (en) 1988-12-20 1988-12-20 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
US6133708A (en) * 1998-06-16 2000-10-17 U.S. Philips Corporation Radio apparatus comprising a charging device
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 (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
GB2150323A (en) * 1983-11-04 1985-06-26 Ceag Electric Corp Paralleled dc power supplies sharing loads equally

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE342966B (en) * 1968-10-09 1972-02-21 Sveriges Radio Ab
US4421993A (en) * 1982-05-28 1983-12-20 General Electric Company Load resistance control circuitry
AU2760184A (en) * 1983-05-06 1984-11-08 Dentsply International Inc. Power control with optical isolation feedback
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

Patent Citations (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
GB2150323A (en) * 1983-11-04 1985-06-26 Ceag Electric Corp Paralleled dc power supplies sharing loads equally

Also Published As

Publication number Publication date
CA1334299C (en) 1995-02-07
EP0375289A3 (en) 1991-08-28
EP0375289B1 (en) 1994-07-20
GB2226431A (en) 1990-06-27
DE68916924T2 (en) 1994-11-03
AU4701289A (en) 1990-06-28
GB8829651D0 (en) 1989-02-15
EP0375289A2 (en) 1990-06-27
DE68916924D1 (en) 1994-08-25

Similar Documents

Publication Publication Date Title
GB2226898B (en) Electric lighting and power controllers therefor
GB8817684D0 (en) Power factor improvement
GB2225656B (en) Electrical power control apparatus and methods
GB2223877B (en) Extra-high-voltage power cable
HUT49237A (en) Electric lamp
HUT50531A (en) Electric lamp
HUT52639A (en) Coloured electric lamp
HUT50534A (en) Electric lamp
GB2226431B (en) Electric lighting and power controllers therefor
GB8804629D0 (en) Electric power control
GB8827319D0 (en) Electric lighting
GB2218266B (en) Electrical power resistor
GB2238635B (en) Electrical power sources
EP0347569A3 (en) Power control arrangement
GB2245782B (en) Electrical power system
GB8927569D0 (en) Electricity power source
AU4608685A (en) Electric power controller
GB8803859D0 (en) Electrical power controller
GB2259400B (en) Extra-high-voltage power cable
GB8820765D0 (en) Electrical power supplies
GB8824998D0 (en) Lighting power source
GB8809020D0 (en) Electric power plug
GB2218006B (en) Electric hand-mixer
GB8801536D0 (en) Electric lamp fitting
BG47185A1 (en) Power transformater

Legal Events

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

Effective date: 20001220