GB614457A - Improvements in or relating to electric discharge tubes comprising one or more secondary emission electrodes - Google Patents

Improvements in or relating to electric discharge tubes comprising one or more secondary emission electrodes

Info

Publication number
GB614457A
GB614457A GB20016/46A GB2001646A GB614457A GB 614457 A GB614457 A GB 614457A GB 20016/46 A GB20016/46 A GB 20016/46A GB 2001646 A GB2001646 A GB 2001646A GB 614457 A GB614457 A GB 614457A
Authority
GB
United Kingdom
Prior art keywords
electrode
electric discharge
cathode
secondary emission
relating
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
GB20016/46A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB614457A publication Critical patent/GB614457A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes

Landscapes

  • Discharge Lamp (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
GB20016/46A 1942-04-17 1946-07-04 Improvements in or relating to electric discharge tubes comprising one or more secondary emission electrodes Expired GB614457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL614457X 1942-04-17

Publications (1)

Publication Number Publication Date
GB614457A true GB614457A (en) 1948-12-15

Family

ID=19788205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20016/46A Expired GB614457A (en) 1942-04-17 1946-07-04 Improvements in or relating to electric discharge tubes comprising one or more secondary emission electrodes

Country Status (5)

Country Link
US (1) US2530743A (en:Method)
BE (1) BE450216A (en:Method)
DE (1) DE868028C (en:Method)
FR (1) FR894033A (en:Method)
GB (1) GB614457A (en:Method)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042951A (en) * 1930-04-05 1936-06-02 Westinghouse Lamp Co Electron discharge device
US2095337A (en) * 1934-11-14 1937-10-12 Everett P Loppacker Vacuum tube electrode
NL48109C (en:Method) * 1937-02-23
BE433417A (en:Method) * 1938-03-25
US2223001A (en) * 1939-04-24 1940-11-26 Farnsworth Television & Radio High efficiency amplifier
NL52549C (en:Method) * 1939-06-06

Also Published As

Publication number Publication date
BE450216A (en:Method)
FR894033A (fr) 1944-12-12
DE868028C (de) 1953-02-23
US2530743A (en) 1950-11-21

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