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GB1026061A - Improvements in or relating to plasma tube arrangements - Google Patents

Improvements in or relating to plasma tube arrangements

Info

Publication number
GB1026061A
GB1026061A GB31931/63A GB3193163A GB1026061A GB 1026061 A GB1026061 A GB 1026061A GB 31931/63 A GB31931/63 A GB 31931/63A GB 3193163 A GB3193163 A GB 3193163A GB 1026061 A GB1026061 A GB 1026061A
Authority
GB
United Kingdom
Prior art keywords
envelope
winding
aug
conductors
high frequency
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
GB31931/63A
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Publication of GB1026061A publication Critical patent/GB1026061A/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
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

1,026,061. Metal-vapour lamps. CSF COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Aug. 13, 1963 [Aug. 14, 1962], No. 31931/63. Heading H1D. An auxiliary heater winding is connected in series with the normal high frequency exciting winding of a plasma tube in such a way that magnetic fields created by the low frequency heating current are substantially mutually cancelling. In the arrangement shown an electrodeless lamp comprising an envelope 1 filled with saturated alkali metal vapour, e.g. rubidium or caesium, is surrounded by two lengths, of coaxial cable with a condenser 4 joining the ends B and C at which the inner conductor 12 forming the heating winding and the outer conductor 11 forming the exciting winding are connected together. High frequency energy from coaxial feeders Y and Z is applied at points P and Q on the outer conductors 11. Low frequency heating current is supplied by a generator 5 to the inner conductors 11 and returns to earth via the outer conductors 12 and a metal plate 6. The envelope 1 with its surrounding windings and plate 6 may be mounted in an outer envelope 7, Fig. 3 (not shown).
GB31931/63A 1962-08-14 1963-08-13 Improvements in or relating to plasma tube arrangements Expired GB1026061A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR906919A FR1344294A (en) 1962-08-14 1962-08-14 New light sources with improved heat dissipation

Publications (1)

Publication Number Publication Date
GB1026061A true GB1026061A (en) 1966-04-14

Family

ID=8785161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31931/63A Expired GB1026061A (en) 1962-08-14 1963-08-13 Improvements in or relating to plasma tube arrangements

Country Status (4)

Country Link
US (1) US3323010A (en)
DE (1) DE1191482B (en)
FR (1) FR1344294A (en)
GB (1) GB1026061A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138629A (en) * 1983-04-08 1984-10-24 Tungsram Reszvenytarsasag High-frequency gas-discharge lamp system
GB2204990A (en) * 1987-05-13 1988-11-23 English Electric Valve Co Ltd Laser gas discharge apparatus
GB2216715A (en) * 1988-03-14 1989-10-11 Gen Electric Electrodeless high intensity discharge lamp

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521119A (en) * 1968-01-10 1970-07-21 Rca Corp Rf excitation pumping of gas lasers by means of a wave guide and coupling coils
US4783615A (en) * 1985-06-26 1988-11-08 General Electric Company Electrodeless high pressure sodium iodide arc lamp
US4798997A (en) * 1985-12-26 1989-01-17 Canon Kabushiki Kaisha Lighting device
US4797598A (en) * 1986-06-19 1989-01-10 Canon Kabushiki Kaisha Illumination apparatus
GB8829251D0 (en) * 1988-12-15 1989-01-25 Emi Plc Thorn A discharge tube arrangement
US5013975A (en) * 1988-12-22 1991-05-07 Matsushita Electric Works, Ltd. Electrodeless discharge lamp
US7009329B2 (en) * 2003-08-20 2006-03-07 Hewlett-Packard Development Company, L.P. Thermally optimized cold cathode heater
CN104332385A (en) * 2014-09-03 2015-02-04 上海通用卫星导航有限公司 Cesium spectral lamp device used for cesium optical pump magnetometer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333052A (en) * 1931-03-18 1943-10-26 Raytheon Mfg Co Electrical discharge device
US2974243A (en) * 1959-11-12 1961-03-07 Space Technology Lab Inc Light source
US2975330A (en) * 1960-06-01 1961-03-14 Varian Associates Electrodeless discharge method and apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138629A (en) * 1983-04-08 1984-10-24 Tungsram Reszvenytarsasag High-frequency gas-discharge lamp system
GB2204990A (en) * 1987-05-13 1988-11-23 English Electric Valve Co Ltd Laser gas discharge apparatus
GB2204990B (en) * 1987-05-13 1991-09-18 English Electric Valve Co Ltd Laser apparatus
GB2216715A (en) * 1988-03-14 1989-10-11 Gen Electric Electrodeless high intensity discharge lamp
GB2216715B (en) * 1988-03-14 1992-07-22 Gen Electric Electrodeless high intensity discharge lamp

Also Published As

Publication number Publication date
US3323010A (en) 1967-05-30
DE1191482B (en) 1965-04-22
FR1344294A (en) 1963-11-29

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