GB953004A - Supply and control system for electric discharge lamps - Google Patents

Supply and control system for electric discharge lamps

Info

Publication number
GB953004A
GB953004A GB1885/61A GB188561A GB953004A GB 953004 A GB953004 A GB 953004A GB 1885/61 A GB1885/61 A GB 1885/61A GB 188561 A GB188561 A GB 188561A GB 953004 A GB953004 A GB 953004A
Authority
GB
United Kingdom
Prior art keywords
lamp
multivibrator
current
control
jan
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
GB1885/61A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB953004A publication Critical patent/GB953004A/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
    • H05B41/39—Controlling the intensity of light continuously
    • 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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/231—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for high-pressure lamps
    • 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
    • H05B41/282—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
    • 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
    • H05B41/391—Controlling the intensity of light continuously using saturable magnetic devices
    • 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

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

953,004. Control systems for high pressure discharge lamps. PATENT-TREUHAND-GES. FUR ELECTRISCHE GLUHLAMPEN. Jan. 17, 1961 [Jan. 18,1960], No. 1885/61. Heading H2H. [Also in Division G3] The current flowing in a high pressure discharge lamp 1 is maintained constant at a desired value by comparing two voltages one from a device 10, representing the desired lamp current and the other, from a device 9, and derived from a resistor 3 in the lamp circuit, which is representative of the actual lamp current, the difference between these two voltages being used to control the duration of the impulses produced by a multivibrator 8 which in turn controls the mark-space ratio of a transistor 4 in the lamp circuit. The multivibrator 8 is normally controlled at the line frequency of the A.C. supply by a phase shifting device 7. Alternatively, the phase shifting device may be used to control the power rectifier 5 which may comprise silicon controlled rectifiers whilst the multivibrator may be of the self-oscillatory type. When light emission from the lamp is not required the lamp is supplied with a current of low value over a second transistor 11 in order to keep the lamp ready for instant operation. A high-frequency starting device 15 is provided which is utilized by way of a switch 2, this switch also being used to connect the lamp to the output of the rectifier 5 over a resistor 16 and an inductor 17.
GB1885/61A 1960-01-18 1961-01-17 Supply and control system for electric discharge lamps Expired GB953004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP24270A DE1134760B (en) 1960-01-18 1960-01-18 Circuit arrangement for operating high-pressure discharge lamps with rectangular current pulses

Publications (1)

Publication Number Publication Date
GB953004A true GB953004A (en) 1964-03-18

Family

ID=7369575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1885/61A Expired GB953004A (en) 1960-01-18 1961-01-17 Supply and control system for electric discharge lamps

Country Status (3)

Country Link
CH (1) CH389094A (en)
DE (1) DE1134760B (en)
GB (1) GB953004A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611024A (en) * 1968-07-23 1971-10-05 Matsushita Electric Ind Co Ltd Semiconductor apparatus for controlling the brightness of a discharge lamp
AU590107B2 (en) * 1986-08-11 1989-10-26 Innovative Controls, Incorporated Solid state ballast for high intensity discharge lamps having constant line and lamp wattage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182347B (en) * 1963-02-01 1964-11-26 Siemens Ag Circuit arrangement for operating high-pressure gas discharge lamps with rectangular current pulses
US4857810A (en) * 1987-03-17 1989-08-15 General Electric Company Current interruption operating circuit for a gaseous discharge lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049976B (en) *
DE691570C (en) * 1937-07-28 1940-05-30 Patra Patent Treuhand Electric high pressure discharge lamp with an operating vapor pressure of more than 5 atmospheres
GB669283A (en) * 1948-07-14 1952-04-02 Gen Electric Co Ltd Improvements in or relating to arrangements for operating an electric discharge lamp from a d.c. supply
DE930794C (en) * 1952-01-31 1955-07-25 Zeiss Ikon Ag Device for recording and playing back motion pictures with high-pressure gas discharge lamps
US2870379A (en) * 1958-08-13 1959-01-20 Engelhard Ind Inc Operating circuit for compact type arc lamps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611024A (en) * 1968-07-23 1971-10-05 Matsushita Electric Ind Co Ltd Semiconductor apparatus for controlling the brightness of a discharge lamp
AU590107B2 (en) * 1986-08-11 1989-10-26 Innovative Controls, Incorporated Solid state ballast for high intensity discharge lamps having constant line and lamp wattage

Also Published As

Publication number Publication date
DE1134760B (en) 1962-08-16
CH389094A (en) 1965-03-15

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