FR833705A - Improvements to electric discharge tubes and devices incorporating them - Google Patents

Improvements to electric discharge tubes and devices incorporating them

Info

Publication number
FR833705A
FR833705A FR833705DA FR833705A FR 833705 A FR833705 A FR 833705A FR 833705D A FR833705D A FR 833705DA FR 833705 A FR833705 A FR 833705A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
devices incorporating
incorporating
devices
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 FR833705A publication Critical patent/FR833705A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/003—Tubes with plural electrode systems
FR833705D 1937-02-13 1938-02-12 Improvements to electric discharge tubes and devices incorporating them Expired FR833705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL833705X 1937-02-13

Publications (1)

Publication Number Publication Date
FR833705A true FR833705A (en) 1938-10-28

Family

ID=19843059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833705D Expired FR833705A (en) 1937-02-13 1938-02-12 Improvements to electric discharge tubes and devices incorporating them

Country Status (1)

Country Link
FR (1) FR833705A (en)

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