GB556461A - Improvements in or relating to electron discharge tubes - Google Patents

Improvements in or relating to electron discharge tubes

Info

Publication number
GB556461A
GB556461A GB121142A GB121142A GB556461A GB 556461 A GB556461 A GB 556461A GB 121142 A GB121142 A GB 121142A GB 121142 A GB121142 A GB 121142A GB 556461 A GB556461 A GB 556461A
Authority
GB
United Kingdom
Prior art keywords
relating
discharge tubes
electron discharge
philips
gloeilampenfabrieken
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
GB121142A
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
Priority to GB121142A priority Critical patent/GB556461A/en
Publication of GB556461A publication Critical patent/GB556461A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/001—Non-constructive schematic arrangements

Abstract

556,461. Thermionic valves. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Jan. 28, 1942, No. 1211. Drawings to Specification. [Class 39 (i)] The subject-matter of this Specification is identical with that of Specification 605,355, [Group XL (a)].
GB121142A 1942-01-28 1942-01-28 Improvements in or relating to electron discharge tubes Expired GB556461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB121142A GB556461A (en) 1942-01-28 1942-01-28 Improvements in or relating to electron discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB121142A GB556461A (en) 1942-01-28 1942-01-28 Improvements in or relating to electron discharge tubes

Publications (1)

Publication Number Publication Date
GB556461A true GB556461A (en) 1943-10-06

Family

ID=9718075

Family Applications (1)

Application Number Title Priority Date Filing Date
GB121142A Expired GB556461A (en) 1942-01-28 1942-01-28 Improvements in or relating to electron discharge tubes

Country Status (1)

Country Link
GB (1) GB556461A (en)

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