GB749947A - Improvements relating to electric discharge devices - Google Patents

Improvements relating to electric discharge devices

Info

Publication number
GB749947A
GB749947A GB13993/54A GB1399354A GB749947A GB 749947 A GB749947 A GB 749947A GB 13993/54 A GB13993/54 A GB 13993/54A GB 1399354 A GB1399354 A GB 1399354A GB 749947 A GB749947 A GB 749947A
Authority
GB
United Kingdom
Prior art keywords
tape
wound
cathode
grid
electric 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
GB13993/54A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB749947A publication Critical patent/GB749947A/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
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • 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
    • H01J2893/0002—Construction arrangements of electrode systems

Abstract

749,947. Thermionic-cathode tubes. GENERAL ELECTRIC CO. May 12, 1954 [May 12, 1953], No. 13903/54. Class 39 (1). Successive coaxial tubular electrodes, such as a cathode 1 and a grid 15, are mutually supported and spaced by a plurality of layers of flexible insulating material 4, 5, at either or both ends. These are formed by a continuous wrapping of a tape of suitable material, such as mica sheet, or bentonite-containing asbestos sheet. In assembly, the cathode 1 is mounted on a mandrel and rotated, so that insulating tape is wound on at both ends simultaneously. After sufficient tape 4 has been wound on, the grid, shown as a rectangular mesh grid, is wound on, and the tape winding continued until sufficient further tape 5 has been wound on for spacing the anode (not shown). Exemplary dimensions and spacings are given. U.S.A. Specifications 2,493,604 and 2,614,055 are referred to.
GB13993/54A 1953-05-12 1954-05-12 Improvements relating to electric discharge devices Expired GB749947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US749947XA 1953-05-12 1953-05-12

Publications (1)

Publication Number Publication Date
GB749947A true GB749947A (en) 1956-06-06

Family

ID=22122882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13993/54A Expired GB749947A (en) 1953-05-12 1954-05-12 Improvements relating to electric discharge devices

Country Status (1)

Country Link
GB (1) GB749947A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2420520A (en) * 2004-11-24 2006-05-31 Lg Philips Displays B V Improvements in and relating to electrodes and to tube manufacture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2420520A (en) * 2004-11-24 2006-05-31 Lg Philips Displays B V Improvements in and relating to electrodes and to tube manufacture
GB2420521A (en) * 2004-11-24 2006-05-31 Lg Philips Displays B V Improvements in and relating to electrodes and to tube manufacture
GB2420520B (en) * 2004-11-24 2006-10-11 Lg Philips Displays B V Improvements in and relating to electrodes and to tube manufacture
GB2420521B (en) * 2004-11-24 2007-08-15 Lg Philips Displays B V Improvements in and relating to electrodes and to tube manufacture

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