NL24414C - - Google Patents

Info

Publication number
NL24414C
NL24414C NL24414DA NL24414C NL 24414 C NL24414 C NL 24414C NL 24414D A NL24414D A NL 24414DA NL 24414 C NL24414 C NL 24414C
Authority
NL
Netherlands
Application number
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.)
Publication of NL24414C publication Critical patent/NL24414C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
NL24414D 1926-06-09 NL24414C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE272440X 1926-06-09

Publications (1)

Publication Number Publication Date
NL24414C true NL24414C (en)

Family

ID=6010243

Family Applications (1)

Application Number Title Priority Date Filing Date
NL24414D NL24414C (en) 1926-06-09

Country Status (4)

Country Link
US (2) US1817636A (en)
FR (1) FR657054A (en)
GB (1) GB272440A (en)
NL (1) NL24414C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE486753A (en) * 1948-01-15
US2552654A (en) * 1948-08-30 1951-05-15 Rca Corp Heat-resistant cathode coatings
US2662196A (en) * 1948-11-04 1953-12-08 Western Union Telegraph Co Concentrated arc lamp
US2663816A (en) * 1949-09-28 1953-12-22 Sylvania Electric Prod Electric discharge lamp
US2605432A (en) * 1949-10-19 1952-07-29 Electrons Inc Indirectly heated cathode structure
BE518639A (en) * 1952-03-24
US2845567A (en) * 1954-02-04 1958-07-29 Itt Indirectly heated thermionic cathode
BE545445A (en) * 1955-02-23
DE1035791B (en) * 1956-05-29 1958-08-07 Philips Nv Glow discharge tubes with an activated cold cathode and method for producing a tube provided with such a cathode

Also Published As

Publication number Publication date
GB272440A (en) 1928-04-26
FR657054A (en) 1929-05-16
US1925701A (en) 1933-09-05
US1817636A (en) 1931-08-04

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