GB550104A - Improvement in electric discharge tubes and circuit arrangements therefor - Google Patents

Improvement in electric discharge tubes and circuit arrangements therefor

Info

Publication number
GB550104A
GB550104A GB757441A GB757441A GB550104A GB 550104 A GB550104 A GB 550104A GB 757441 A GB757441 A GB 757441A GB 757441 A GB757441 A GB 757441A GB 550104 A GB550104 A GB 550104A
Authority
GB
United Kingdom
Prior art keywords
improvement
electric discharge
discharge tubes
circuit arrangements
arrangements therefor
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
GB757441A
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 GB757441A priority Critical patent/GB550104A/en
Publication of GB550104A publication Critical patent/GB550104A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

550,104. Thermionic valves. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). June 14, 1941, No. 7574. Drawings to Specification. [Class 39 (i)] The subject-matter of this Specification is identical with that of Specification 617,187, [Group XL (a)]
GB757441A 1941-06-14 1941-06-14 Improvement in electric discharge tubes and circuit arrangements therefor Expired GB550104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB757441A GB550104A (en) 1941-06-14 1941-06-14 Improvement in electric discharge tubes and circuit arrangements therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB757441A GB550104A (en) 1941-06-14 1941-06-14 Improvement in electric discharge tubes and circuit arrangements therefor

Publications (1)

Publication Number Publication Date
GB550104A true GB550104A (en) 1942-12-23

Family

ID=9835736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB757441A Expired GB550104A (en) 1941-06-14 1941-06-14 Improvement in electric discharge tubes and circuit arrangements therefor

Country Status (1)

Country Link
GB (1) GB550104A (en)

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