GB274507A - High emission thermionic valve - Google Patents

High emission thermionic valve

Info

Publication number
GB274507A
GB274507A GB19052/27A GB1905227A GB274507A GB 274507 A GB274507 A GB 274507A GB 19052/27 A GB19052/27 A GB 19052/27A GB 1905227 A GB1905227 A GB 1905227A GB 274507 A GB274507 A GB 274507A
Authority
GB
United Kingdom
Prior art keywords
bulb
anode
magnesium
disc
glass
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
GB19052/27A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB274507A publication Critical patent/GB274507A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/186Getter supports

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
GB19052/27A 1926-07-19 1927-07-18 High emission thermionic valve Expired GB274507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE274507X 1926-07-19

Publications (1)

Publication Number Publication Date
GB274507A true GB274507A (en) 1928-10-18

Family

ID=6020861

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19052/27A Expired GB274507A (en) 1926-07-19 1927-07-18 High emission thermionic valve

Country Status (3)

Country Link
FR (1) FR637748A (enrdf_load_stackoverflow)
GB (1) GB274507A (enrdf_load_stackoverflow)
NL (1) NL27026C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739389C (de) * 1936-01-26 1943-09-24 Siemens Ag Anordnung zur Verdampfung eines Getterstoffes aus einem von aussen her zu beheizenden, in das Innere eines Entladungsgefaesses muendenden Rohr

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2067817A (en) * 1934-09-15 1937-01-12 Gen Electric Device for gettering metal tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739389C (de) * 1936-01-26 1943-09-24 Siemens Ag Anordnung zur Verdampfung eines Getterstoffes aus einem von aussen her zu beheizenden, in das Innere eines Entladungsgefaesses muendenden Rohr

Also Published As

Publication number Publication date
NL27026C (enrdf_load_stackoverflow)
FR637748A (fr) 1928-05-07

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