GB611381A - Improvements in or relating to thermionic tubes - Google Patents

Improvements in or relating to thermionic tubes

Info

Publication number
GB611381A
GB611381A GB12981/46A GB1298146A GB611381A GB 611381 A GB611381 A GB 611381A GB 12981/46 A GB12981/46 A GB 12981/46A GB 1298146 A GB1298146 A GB 1298146A GB 611381 A GB611381 A GB 611381A
Authority
GB
United Kingdom
Prior art keywords
screen
lead
wire
wall
electrode
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
GB12981/46A
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 GB611381A publication Critical patent/GB611381A/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
    • H01J19/78—One or more circuit elements structurally associated with the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/44—One or more circuit elements structurally associated with the tube or lamp

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB12981/46A 1945-05-01 1946-04-30 Improvements in or relating to thermionic tubes Expired GB611381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE254935X 1945-05-01

Publications (1)

Publication Number Publication Date
GB611381A true GB611381A (en) 1948-10-28

Family

ID=3866636

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12981/46A Expired GB611381A (en) 1945-05-01 1946-04-30 Improvements in or relating to thermionic tubes

Country Status (6)

Country Link
US (1) US2532836A (fr)
BE (1) BE458657A (fr)
CH (1) CH254935A (fr)
FR (1) FR926120A (fr)
GB (1) GB611381A (fr)
NL (1) NL69037C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614149A (en) * 1949-09-10 1952-10-14 Hartford Nat Bank & Trust Co Variable capacitor
US2748328A (en) * 1953-12-14 1956-05-29 Premier Res Lab Inc Combination pronged base for electrical devices
US2773211A (en) * 1955-01-14 1956-12-04 Westinghouse Electric Corp Large sealed ignitron-tube
US2874305A (en) * 1955-10-17 1959-02-17 Hubert N Wilson Radiation integrator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE584306C (de) * 1933-09-18 Siemens & Halske Akt Ges Roehrengleichrichter
US1539672A (en) * 1920-09-29 1925-05-26 Philips Nv Electric-light installation for alternating current
US1683202A (en) * 1926-04-09 1928-09-04 Hazeltine Corp Electron-discharge device
US1879544A (en) * 1928-04-09 1932-09-27 David Shlaifer Electron discharge device
US1923552A (en) * 1928-10-24 1933-08-22 Murphy Edmund Guyer Vacuum tube

Also Published As

Publication number Publication date
CH254935A (fr) 1948-05-31
US2532836A (en) 1950-12-05
BE458657A (fr)
FR926120A (fr) 1947-09-23
NL69037C (fr)

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