FR2140856A5 - - Google Patents

Info

Publication number
FR2140856A5
FR2140856A5 FR7121042A FR7121042A FR2140856A5 FR 2140856 A5 FR2140856 A5 FR 2140856A5 FR 7121042 A FR7121042 A FR 7121042A FR 7121042 A FR7121042 A FR 7121042A FR 2140856 A5 FR2140856 A5 FR 2140856A5
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
FR7121042A
Other languages
French (fr)
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.)
SMOLENSKY ELEKTROLAMPOVY
Original Assignee
SMOLENSKY ELEKTROLAMPOVY
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 SMOLENSKY ELEKTROLAMPOVY filed Critical SMOLENSKY ELEKTROLAMPOVY
Priority to FR7121042A priority Critical patent/FR2140856A5/fr
Application granted granted Critical
Publication of FR2140856A5 publication Critical patent/FR2140856A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • 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
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
FR7121042A 1971-06-10 1971-06-10 Expired FR2140856A5 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7121042A FR2140856A5 (https=) 1971-06-10 1971-06-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7121042A FR2140856A5 (https=) 1971-06-10 1971-06-10

Publications (1)

Publication Number Publication Date
FR2140856A5 true FR2140856A5 (https=) 1973-01-19

Family

ID=9078404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121042A Expired FR2140856A5 (https=) 1971-06-10 1971-06-10

Country Status (1)

Country Link
FR (1) FR2140856A5 (https=)

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Legal Events

Date Code Title Description
ST Notification of lapse