FR723410A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR723410A
FR723410A FR723410DA FR723410A FR 723410 A FR723410 A FR 723410A FR 723410D A FR723410D A FR 723410DA FR 723410 A FR723410 A FR 723410A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
discharge
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
Paul Kapteyn
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR723410A publication Critical patent/FR723410A/en
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
    • H01J1/22Heaters
FR723410D 1930-10-03 1931-09-28 Electric discharge tube Expired FR723410A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE723410X 1930-10-03

Publications (1)

Publication Number Publication Date
FR723410A true FR723410A (en) 1932-04-08

Family

ID=6632721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR723410D Expired FR723410A (en) 1930-10-03 1931-09-28 Electric discharge tube

Country Status (2)

Country Link
AT (1) AT144555B (en)
FR (1) FR723410A (en)

Also Published As

Publication number Publication date
AT144555B (en) 1936-02-10

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