NL68498C - - Google Patents

Info

Publication number
NL68498C
NL68498C NL68498DA NL68498C NL 68498 C NL68498 C NL 68498C NL 68498D A NL68498D A NL 68498DA NL 68498 C NL68498 C NL 68498C
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 NL68498C publication Critical patent/NL68498C/xx

Links

Classifications

    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters
NL68498D 1948-03-15 NL68498C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL270976X 1948-03-15

Publications (1)

Publication Number Publication Date
NL68498C true NL68498C (enrdf_load_stackoverflow)

Family

ID=19781927

Family Applications (1)

Application Number Title Priority Date Filing Date
NL68498D NL68498C (enrdf_load_stackoverflow) 1948-03-15

Country Status (7)

Country Link
US (1) US2593856A (enrdf_load_stackoverflow)
BE (1) BE487889A (enrdf_load_stackoverflow)
CH (1) CH270976A (enrdf_load_stackoverflow)
DE (1) DE809324C (enrdf_load_stackoverflow)
FR (1) FR983147A (enrdf_load_stackoverflow)
GB (1) GB676009A (enrdf_load_stackoverflow)
NL (1) NL68498C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869692A (en) * 1973-05-07 1975-03-04 Gte Sylvania Inc Heater for vacuum tube cathode in which the wire of the heater legs has been etched to reduce its diameter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US247097A (en) * 1881-09-13 Joseph v
USRE19870E (en) * 1927-11-16 1936-02-25 Electron discharge device with
US2075876A (en) * 1927-12-28 1937-04-06 Electrons Inc Cathode organization
US1914883A (en) * 1929-10-22 1933-06-20 Frederick G Cottrell Method and apparatus for producing ions
US1968280A (en) * 1933-05-01 1934-07-31 Grigsby Grunow Co Cathode structure
US2399402A (en) * 1941-04-08 1946-04-30 Bendix Aviat Corp Electrical connecting and radioshielding means
US2403445A (en) * 1941-05-31 1946-07-09 Bell Telephone Labor Inc Electron discharge device
US2403444A (en) * 1941-05-31 1946-07-09 Bell Telephone Labor Inc Electron discharge device

Also Published As

Publication number Publication date
GB676009A (en) 1952-07-23
FR983147A (fr) 1951-06-19
BE487889A (enrdf_load_stackoverflow)
DE809324C (de) 1951-07-26
US2593856A (en) 1952-04-22
CH270976A (de) 1950-09-30

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