GB538198A - Improvements in or relating to electron discharge apparatus - Google Patents

Improvements in or relating to electron discharge apparatus

Info

Publication number
GB538198A
GB538198A GB138540A GB138540A GB538198A GB 538198 A GB538198 A GB 538198A GB 138540 A GB138540 A GB 138540A GB 138540 A GB138540 A GB 138540A GB 538198 A GB538198 A GB 538198A
Authority
GB
United Kingdom
Prior art keywords
wires
relating
discharge apparatus
electron discharge
grid
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
GB138540A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB138540A priority Critical patent/GB538198A/en
Publication of GB538198A publication Critical patent/GB538198A/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

Landscapes

  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

538,198. Thermionic valves. STANDARD TELEPHONES & CABLES, Ltd., and FREMLIN, J. H. Jan. 23, 1940, No. 1385. [Class 39 (i)] In valves of the pentode type, the wires of the suppressor grid G3 are disposed in the spaces between the wires of the screen grid G2, and the wires of the latter are disposed in alignment with alternate wires of the control grid G<SP>1</SP>.
GB138540A 1940-01-23 1940-01-23 Improvements in or relating to electron discharge apparatus Expired GB538198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB138540A GB538198A (en) 1940-01-23 1940-01-23 Improvements in or relating to electron discharge apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB138540A GB538198A (en) 1940-01-23 1940-01-23 Improvements in or relating to electron discharge apparatus

Publications (1)

Publication Number Publication Date
GB538198A true GB538198A (en) 1941-07-24

Family

ID=9721078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB138540A Expired GB538198A (en) 1940-01-23 1940-01-23 Improvements in or relating to electron discharge apparatus

Country Status (1)

Country Link
GB (1) GB538198A (en)

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