FR713979A - Cohéreur - Google Patents

Cohéreur

Info

Publication number
FR713979A
FR713979A FR713979DA FR713979A FR 713979 A FR713979 A FR 713979A FR 713979D A FR713979D A FR 713979DA FR 713979 A FR713979 A FR 713979A
Authority
FR
France
Prior art keywords
coherent
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
Other languages
English (en)
Inventor
Franz Kohel
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 filed Critical
Application granted granted Critical
Publication of FR713979A publication Critical patent/FR713979A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR713979D 1931-03-28 1931-03-28 Cohéreur Expired FR713979A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR713979T 1931-03-28

Publications (1)

Publication Number Publication Date
FR713979A true FR713979A (fr) 1931-11-05

Family

ID=9085397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713979D Expired FR713979A (fr) 1931-03-28 1931-03-28 Cohéreur

Country Status (1)

Country Link
FR (1) FR713979A (fr)

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