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GB706707A - Improvements in or relating to thermionic valves - Google Patents

Improvements in or relating to thermionic valves

Info

Publication number
GB706707A
GB706707A GB671151A GB671151A GB706707A GB 706707 A GB706707 A GB 706707A GB 671151 A GB671151 A GB 671151A GB 671151 A GB671151 A GB 671151A GB 706707 A GB706707 A GB 706707A
Authority
GB
United Kingdom
Prior art keywords
relating
thermionic valves
thermionic
march
valves
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
GB671151A
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.)
LUCY ELIZABETH GREY
MO Valve Co Ltd
Original Assignee
LUCY ELIZABETH GREY
MO Valve Co Ltd
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 LUCY ELIZABETH GREY, MO Valve Co Ltd filed Critical LUCY ELIZABETH GREY
Priority to GB671151A priority Critical patent/GB706707A/en
Publication of GB706707A publication Critical patent/GB706707A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Valves (AREA)

Abstract

706,707. Thermionic valves. M-O VALVE CO., Ltd., and GREY, L. E. March 17, 1952 [March 20, 1951], No. 6711/51. Class 39(1) A valve comprises a thermionic or secondaryelectron-emitting cathode which is made in accordance with Specification 706,708.
GB671151A 1951-03-20 1951-03-20 Improvements in or relating to thermionic valves Expired GB706707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB671151A GB706707A (en) 1951-03-20 1951-03-20 Improvements in or relating to thermionic valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB671151A GB706707A (en) 1951-03-20 1951-03-20 Improvements in or relating to thermionic valves

Publications (1)

Publication Number Publication Date
GB706707A true GB706707A (en) 1954-04-07

Family

ID=9819379

Family Applications (1)

Application Number Title Priority Date Filing Date
GB671151A Expired GB706707A (en) 1951-03-20 1951-03-20 Improvements in or relating to thermionic valves

Country Status (1)

Country Link
GB (1) GB706707A (en)

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