FR610732A - Hollow Cathode Discharge Tubes - Google Patents

Hollow Cathode Discharge Tubes

Info

Publication number
FR610732A
FR610732A FR610732DA FR610732A FR 610732 A FR610732 A FR 610732A FR 610732D A FR610732D A FR 610732DA FR 610732 A FR610732 A FR 610732A
Authority
FR
France
Prior art keywords
hollow cathode
discharge tubes
cathode discharge
tubes
hollow
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 FR610732A publication Critical patent/FR610732A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/62—Leading-in conductors
FR610732D 1925-04-30 1926-02-08 Hollow Cathode Discharge Tubes Expired FR610732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1672116X 1925-04-30

Publications (1)

Publication Number Publication Date
FR610732A true FR610732A (en) 1926-09-11

Family

ID=19872945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR610732D Expired FR610732A (en) 1925-04-30 1926-02-08 Hollow Cathode Discharge Tubes

Country Status (4)

Country Link
US (1) US1672116A (en)
DE (1) DE475765C (en)
FR (1) FR610732A (en)
NL (1) NL17814C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869032A (en) * 1957-04-29 1959-01-13 Raytheon Mfg Co Noninductive cathode heaters

Also Published As

Publication number Publication date
US1672116A (en) 1928-06-05
DE475765C (en) 1929-05-01
NL17814C (en)

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