FR734466A - Electric discharge tubes - Google Patents

Electric discharge tubes

Info

Publication number
FR734466A
FR734466A FR734466DA FR734466A FR 734466 A FR734466 A FR 734466A FR 734466D A FR734466D A FR 734466DA FR 734466 A FR734466 A FR 734466A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
tubes
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR734466A publication Critical patent/FR734466A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • 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
FR734466D 1931-04-02 1932-03-31 Electric discharge tubes Expired FR734466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL399477X 1931-04-02

Publications (1)

Publication Number Publication Date
FR734466A true FR734466A (en) 1932-10-22

Family

ID=19785876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR734466D Expired FR734466A (en) 1931-04-02 1932-03-31 Electric discharge tubes

Country Status (2)

Country Link
FR (1) FR734466A (en)
GB (1) GB399477A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938556C2 (en) * 1989-11-21 1996-09-05 Heidelberger Druckmasch Ag Suction head for the feeder of a sheet-fed rotary printing machine

Also Published As

Publication number Publication date
GB399477A (en) 1933-10-02

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