FR1151321A - Improvements made to thermionic cathodes - Google Patents

Improvements made to thermionic cathodes

Info

Publication number
FR1151321A
FR1151321A FR1151321DA FR1151321A FR 1151321 A FR1151321 A FR 1151321A FR 1151321D A FR1151321D A FR 1151321DA FR 1151321 A FR1151321 A FR 1151321A
Authority
FR
France
Prior art keywords
improvements made
thermionic cathodes
thermionic
cathodes
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
Other languages
French (fr)
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.)
Metropolitan Vickers Electrical Co Ltd
Original Assignee
Metropolitan Vickers Electrical 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 Metropolitan Vickers Electrical Co Ltd filed Critical Metropolitan Vickers Electrical Co Ltd
Application granted granted Critical
Publication of FR1151321A publication Critical patent/FR1151321A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microwave Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electron Sources, Ion Sources (AREA)
FR1151321D 1955-06-10 1956-06-09 Improvements made to thermionic cathodes Expired FR1151321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1679655A GB810202A (en) 1955-06-10 1955-06-10 Improvements relating to thermionic cathodes for electron discharge devices

Publications (1)

Publication Number Publication Date
FR1151321A true FR1151321A (en) 1958-01-29

Family

ID=10083824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1151321D Expired FR1151321A (en) 1955-06-10 1956-06-09 Improvements made to thermionic cathodes

Country Status (3)

Country Link
DE (1) DE1113269B (en)
FR (1) FR1151321A (en)
GB (1) GB810202A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195003A (en) * 1962-11-16 1965-07-13 Westinghouse Electric Corp Electron discharge device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL28875C (en) * 1930-01-22
CH172489A (en) * 1932-10-21 1934-10-15 Loewe Opta Gmbh Braun tube, in particular for television purposes, and method for producing the same.
DE704280C (en) * 1934-03-27 1941-03-27 Telefunken Gmbh Heating element for glow cathodes
NL46481C (en) * 1935-06-09
NL59655C (en) * 1941-08-08
BE475720A (en) * 1946-08-30
NL246331A (en) * 1951-07-11
DE890390C (en) * 1951-07-12 1953-09-17 Siemens Ag Cathode for electrical discharge vessels
DE905517C (en) * 1951-12-06 1954-03-04 Siemens Ag Cathode for electrical discharge vessels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195003A (en) * 1962-11-16 1965-07-13 Westinghouse Electric Corp Electron discharge device

Also Published As

Publication number Publication date
GB810202A (en) 1959-03-11
DE1113269B (en) 1961-08-31

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