GB512084A - Improvements in or relating to incandescent-cathode current-converting discharge tubes - Google Patents

Improvements in or relating to incandescent-cathode current-converting discharge tubes

Info

Publication number
GB512084A
GB512084A GB17851/38A GB1785138A GB512084A GB 512084 A GB512084 A GB 512084A GB 17851/38 A GB17851/38 A GB 17851/38A GB 1785138 A GB1785138 A GB 1785138A GB 512084 A GB512084 A GB 512084A
Authority
GB
United Kingdom
Prior art keywords
incandescent
relating
cathode current
discharge tubes
converting 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
GB17851/38A
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
Publication of GB512084A publication Critical patent/GB512084A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
GB17851/38A 1937-06-18 1938-06-15 Improvements in or relating to incandescent-cathode current-converting discharge tubes Expired GB512084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE512084X 1937-06-18

Publications (1)

Publication Number Publication Date
GB512084A true GB512084A (en) 1939-08-29

Family

ID=6548014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17851/38A Expired GB512084A (en) 1937-06-18 1938-06-15 Improvements in or relating to incandescent-cathode current-converting discharge tubes

Country Status (1)

Country Link
GB (1) GB512084A (en)

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