FR687159A - Improvements to electric shock devices - Google Patents

Improvements to electric shock devices

Info

Publication number
FR687159A
FR687159A FR687159DA FR687159A FR 687159 A FR687159 A FR 687159A FR 687159D A FR687159D A FR 687159DA FR 687159 A FR687159 A FR 687159A
Authority
FR
France
Prior art keywords
electric shock
shock devices
devices
electric
shock
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
French (fr)
Inventor
Valentin Borrel
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 FR687159A publication Critical patent/FR687159A/en
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
FR687159D 1929-03-02 1929-03-02 Improvements to electric shock devices Expired FR687159A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR687159T 1929-03-02

Publications (1)

Publication Number Publication Date
FR687159A true FR687159A (en) 1930-08-05

Family

ID=9025965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687159D Expired FR687159A (en) 1929-03-02 1929-03-02 Improvements to electric shock devices

Country Status (1)

Country Link
FR (1) FR687159A (en)

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