FR2084916A5 - - Google Patents

Info

Publication number
FR2084916A5
FR2084916A5 FR7109780A FR7109780A FR2084916A5 FR 2084916 A5 FR2084916 A5 FR 2084916A5 FR 7109780 A FR7109780 A FR 7109780A FR 7109780 A FR7109780 A FR 7109780A FR 2084916 A5 FR2084916 A5 FR 2084916A5
Authority
FR
France
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
FR7109780A
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.)
Toshiba Corp
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Tokyo Shibaura Electric Co Ltd
Japan Broadcasting Corp
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 JP2309770A external-priority patent/JPS4936591B1/ja
Priority claimed from JP2537970A external-priority patent/JPS4939072B1/ja
Application filed by Nippon Hoso Kyokai NHK, Tokyo Shibaura Electric Co Ltd, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Application granted granted Critical
Publication of FR2084916A5 publication Critical patent/FR2084916A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
FR7109780A 1970-03-20 1971-03-19 Expired FR2084916A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2309770A JPS4936591B1 (fr) 1970-03-20 1970-03-20
JP2537970A JPS4939072B1 (fr) 1970-03-27 1970-03-27

Publications (1)

Publication Number Publication Date
FR2084916A5 true FR2084916A5 (fr) 1971-12-17

Family

ID=26360392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7109780A Expired FR2084916A5 (fr) 1970-03-20 1971-03-19

Country Status (5)

Country Link
US (1) US3670195A (fr)
DE (1) DE2113282A1 (fr)
FR (1) FR2084916A5 (fr)
GB (1) GB1292428A (fr)
NL (1) NL7103780A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460540A1 (fr) * 1979-07-02 1981-01-23 Gte Prod Corp Lampe a decharge en arc a halogenure de metal pourvue d'electrodes en forme de bobine enroulee sur un barreau

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052636A (en) * 1976-08-02 1977-10-04 General Electric Company High pressure sodium vapor lamp stabilized for pulse operation
JPS5676156A (en) * 1979-11-24 1981-06-23 Matsushita Electronics Corp High-pressure sodium-vapor lamp
US5278474A (en) * 1989-01-12 1994-01-11 Tokyo Densoku Kabushiki Kaisha Discharge tube
DE4008375A1 (de) * 1990-03-15 1991-09-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe
US5451837A (en) * 1994-09-01 1995-09-19 Osram Sylvania Inc. Cathode for high intensity discharge lamp
JP3211654B2 (ja) * 1996-03-14 2001-09-25 松下電器産業株式会社 高圧放電ランプ
DE10129229A1 (de) * 2001-06-19 2003-01-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Hochdruckentladungslampe
JP2003173763A (ja) * 2001-09-28 2003-06-20 Koito Mfg Co Ltd 放電ランプ装置用水銀フリーアークチューブ
US20050093420A1 (en) * 2003-11-05 2005-05-05 Fridrich Elmer G. Spurred light source lead wire for handling and for assembling with a filament
US20070138931A1 (en) * 2005-12-19 2007-06-21 General Electric Company Backwound electrode coil for electric arc tube of ceramic metal halide lamp and method of manufacture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170081A (en) * 1962-06-05 1965-02-16 Westinghouse Electric Corp Discharge lamp electrode
US3431447A (en) * 1966-02-16 1969-03-04 Westinghouse Electric Corp High-pressure metallic vapor discharge lamp including mercury and thallium iodide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460540A1 (fr) * 1979-07-02 1981-01-23 Gte Prod Corp Lampe a decharge en arc a halogenure de metal pourvue d'electrodes en forme de bobine enroulee sur un barreau

Also Published As

Publication number Publication date
US3670195A (en) 1972-06-13
DE2113282A1 (de) 1971-10-07
GB1292428A (en) 1972-10-11
NL7103780A (fr) 1971-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse