GB8403589D0 - Power supply circuit - Google Patents

Power supply circuit

Info

Publication number
GB8403589D0
GB8403589D0 GB848403589A GB8403589A GB8403589D0 GB 8403589 D0 GB8403589 D0 GB 8403589D0 GB 848403589 A GB848403589 A GB 848403589A GB 8403589 A GB8403589 A GB 8403589A GB 8403589 D0 GB8403589 D0 GB 8403589D0
Authority
GB
United Kingdom
Prior art keywords
power supply
supply circuit
circuit
power
supply
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
GB848403589A
Other versions
GB2137780A (en
GB2137780B (en
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.)
NEWTON DERBY Ltd
Original Assignee
NEWTON DERBY 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
Priority claimed from GB838303658A external-priority patent/GB8303658D0/en
Application filed by NEWTON DERBY Ltd filed Critical NEWTON DERBY Ltd
Priority to GB08403589A priority Critical patent/GB2137780B/en
Publication of GB8403589D0 publication Critical patent/GB8403589D0/en
Publication of GB2137780A publication Critical patent/GB2137780A/en
Application granted granted Critical
Publication of GB2137780B publication Critical patent/GB2137780B/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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/2881—Load circuits; Control thereof
    • H05B41/2882—Load circuits; Control thereof the control resulting from an action on the static converter
    • H05B41/2883—Load circuits; Control thereof the control resulting from an action on the static converter the controlled element being a DC/AC converter in the final stage, e.g. by harmonic mode starting
    • 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/2885—Static converters especially adapted therefor; Control thereof
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB08403589A 1983-02-10 1984-02-10 Current regulated power supply circuit Expired GB2137780B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08403589A GB2137780B (en) 1983-02-10 1984-02-10 Current regulated power supply circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838303658A GB8303658D0 (en) 1983-02-10 1983-02-10 Power supply circuit
GB08403589A GB2137780B (en) 1983-02-10 1984-02-10 Current regulated power supply circuit

Publications (3)

Publication Number Publication Date
GB8403589D0 true GB8403589D0 (en) 1984-03-14
GB2137780A GB2137780A (en) 1984-10-10
GB2137780B GB2137780B (en) 1986-09-17

Family

ID=26285189

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08403589A Expired GB2137780B (en) 1983-02-10 1984-02-10 Current regulated power supply circuit

Country Status (1)

Country Link
GB (1) GB2137780B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709323A (en) * 1986-09-29 1987-11-24 Venus Scientific Inc. Buck-boost parallel resonant converter with inductive energy recovery circuit
US4935673A (en) * 1987-07-08 1990-06-19 Led Corporation Variable impedance electronic ballast for a gas discharge device
GB2232795B (en) * 1989-06-15 1992-02-19 Plessey Co Plc Improvements relating to dc-dc converters
GB2242546B (en) * 1990-03-27 1993-10-20 Plessey Co Ltd Improvements relating to DC-DC converters
IT1250520B (en) * 1991-12-11 1995-04-08 Marelli Autronica SELF-OSCILLATING CIRCUIT FOR THE CONTROL OF A GAS DISCHARGE LAMP, IN PARTICULAR FOR THE USE ON BOARD A VEHICLE.
US5382881A (en) * 1992-12-28 1995-01-17 North American Philips Corporation Ballast stabilization circuitry for eliminating moding or oscillation of the current envelope in gas discharge lamps and method of operating

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959620A (en) * 1962-05-11 1964-06-03 Gen Electric Co Ltd Improvements in or relating to electric circuits for supplying a substantially constant current to a load
GB1155483A (en) * 1966-06-16 1969-06-18 Don Fredrick Widmayer Electric Current Control Apparatus
GB1276895A (en) * 1968-08-08 1972-06-07 Westinghouse Electric Corp High efficiency dc-dc converter
US3689827A (en) * 1970-12-30 1972-09-05 Wagner Electric Corp Voltage and current regulated power supply circuit for gaseous discharge lamp
US3936696A (en) * 1973-08-27 1976-02-03 Lutron Electronics Co., Inc. Dimming circuit with saturated semiconductor device
US4005370A (en) * 1974-09-10 1977-01-25 Matsushita Electric Industrial Co., Ltd. Power supply means for magnetron
IT1046752B (en) * 1974-10-25 1980-07-31 Maile C DIRECT CURRENT ELECTRIC ARC SALTING MACHINE WITH STATIC ORGANS
US4302802A (en) * 1979-08-08 1981-11-24 Hewlett-Packard Company Flyback power supply regulator
GB2057168A (en) * 1979-08-28 1981-03-25 Hewlett Packard Co Power supplies
GB2079014A (en) * 1980-05-12 1982-01-13 Electrotech Instr Ltd Variable electrical power supplies

Also Published As

Publication number Publication date
GB2137780A (en) 1984-10-10
GB2137780B (en) 1986-09-17

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Legal Events

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