GB675470A - Ageing electron discharge tubes having space charge grids - Google Patents

Ageing electron discharge tubes having space charge grids

Info

Publication number
GB675470A
GB675470A GB5885/48A GB588548A GB675470A GB 675470 A GB675470 A GB 675470A GB 5885/48 A GB5885/48 A GB 5885/48A GB 588548 A GB588548 A GB 588548A GB 675470 A GB675470 A GB 675470A
Authority
GB
United Kingdom
Prior art keywords
grid
cathode
minutes
tube
alternating voltage
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
GB5885/48A
Other languages
English (en)
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.)
Radio Patents Corp
Original Assignee
Radio Patents Corp
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 Radio Patents Corp filed Critical Radio Patents Corp
Publication of GB675470A publication Critical patent/GB675470A/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
    • H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
    • H01J9/445—Aging of tubes or lamps, e.g. by "spot knocking"

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
GB5885/48A 1942-04-14 1948-02-26 Ageing electron discharge tubes having space charge grids Expired GB675470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US675470XA 1942-04-14 1942-04-14

Publications (1)

Publication Number Publication Date
GB675470A true GB675470A (en) 1952-07-09

Family

ID=22076727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5885/48A Expired GB675470A (en) 1942-04-14 1948-02-26 Ageing electron discharge tubes having space charge grids

Country Status (2)

Country Link
BE (1) BE480748A (enrdf_load_stackoverflow)
GB (1) GB675470A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082965A3 (en) * 1981-12-24 1984-09-05 International Standard Electric Corporation Method of forming thermionic cathodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082965A3 (en) * 1981-12-24 1984-09-05 International Standard Electric Corporation Method of forming thermionic cathodes

Also Published As

Publication number Publication date
BE480748A (enrdf_load_stackoverflow)

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