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GB342715A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB342715A
GB342715A GB3317929A GB3317929A GB342715A GB 342715 A GB342715 A GB 342715A GB 3317929 A GB3317929 A GB 3317929A GB 3317929 A GB3317929 A GB 3317929A GB 342715 A GB342715 A GB 342715A
Authority
GB
United Kingdom
Prior art keywords
mercury
relating
tube
electric discharge
discharge tubes
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
GB3317929A
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 GB3317929A priority Critical patent/GB342715A/en
Priority to FR701723D priority patent/FR701723A/en
Publication of GB342715A publication Critical patent/GB342715A/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
    • H01J17/02—Details
    • H01J17/20—Selection of substances for gas fillings; Specified operating pressures or temperatures

Landscapes

  • Discharge Lamp (AREA)

Abstract

342,715. Mercury-vapour apparatus. DICKER, S. G. S., 20, Holborn, London.- (Naamlooze Vennootschap Philips' Gloeilampenfabrieken ; 6, Emmasingel, Eindhoven, Holland.) Oct. 31, 1929, No. 33179. Drawings to Specification. [Class 39 (i).] In a discharge tube, such as a rectifier, which has a plurality of anodes and in which the electrodes remain solid when the tube is in use, the filling consists of helium and mercury. The tube may have an incandescent cathode and contain an excess of mercury in liquid condition. Specification 321,438, [Class 39 (i), Electric lamps, Arc &c.], is referred to.
GB3317929A 1929-10-31 1929-10-31 Improvements in or relating to electric discharge tubes Expired GB342715A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3317929A GB342715A (en) 1929-10-31 1929-10-31 Improvements in or relating to electric discharge tubes
FR701723D FR701723A (en) 1929-10-31 1930-09-05 Improvements made to electric discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3317929A GB342715A (en) 1929-10-31 1929-10-31 Improvements in or relating to electric discharge tubes

Publications (1)

Publication Number Publication Date
GB342715A true GB342715A (en) 1931-02-02

Family

ID=10349576

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3317929A Expired GB342715A (en) 1929-10-31 1929-10-31 Improvements in or relating to electric discharge tubes

Country Status (2)

Country Link
FR (1) FR701723A (en)
GB (1) GB342715A (en)

Also Published As

Publication number Publication date
FR701723A (en) 1931-03-21

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