NL85535C - - Google Patents

Info

Publication number
NL85535C
NL85535C NL151078A NL151078A NL85535C NL 85535 C NL85535 C NL 85535C NL 151078 A NL151078 A NL 151078A NL 151078 A NL151078 A NL 151078A NL 85535 C NL85535 C NL 85535C
Authority
NL
Netherlands
Application number
NL151078A
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 filed Critical
Application granted granted Critical
Publication of NL85535C publication Critical patent/NL85535C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00Vacuum tubes
    • H01J21/02Tubes with a single discharge path
    • H01J21/06Tubes with a single discharge path having electrostatic control means only
    • H01J21/10Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H01J21/14Tubes with means for concentrating the electron stream, e.g. beam tetrode
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/026Eliminating deleterious effects due to thermal effects, electric or magnetic field
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0029Electron beam tubes
NL151078A 1949-02-03 1950-01-17 NL85535C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74283A US2518472A (en) 1949-02-03 1949-02-03 Electron gun

Publications (1)

Publication Number Publication Date
NL85535C true NL85535C (fr) 1957-07-15

Family

ID=22118748

Family Applications (1)

Application Number Title Priority Date Filing Date
NL151078A NL85535C (fr) 1949-02-03 1950-01-17

Country Status (6)

Country Link
US (1) US2518472A (fr)
AT (1) AT172298B (fr)
CH (1) CH282861A (fr)
DE (1) DE831856C (fr)
FR (1) FR1009449A (fr)
NL (1) NL85535C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977183C (de) * 1953-05-01 1965-05-20 Telefunken Patent Elektrostatisch stark buendelndes Elektronenstrahlerzeugungssystem
DE975107C (de) * 1953-05-15 1961-08-17 Telefunken Patent Elektrostatische Linse mit rotationssymmetrischen Elektroden, insbesondere fuer Kathodenstrahlroehren
US3139552A (en) * 1960-03-07 1964-06-30 Hughes Aircraft Co Charged particle gun with nonspherical emissive surface
US3192425A (en) * 1961-03-06 1965-06-29 Zenith Radio Corp X-ray tube with adjustable electron beam cross-section
US3916202A (en) * 1974-05-03 1975-10-28 Gen Electric Lens-grid system for electron tubes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1979392A (en) * 1931-05-04 1934-11-06 Siemens Ag Cathode ray tube
US2079163A (en) * 1932-05-31 1937-05-04 Farnsworth Television Inc Electron gun
NL46608C (fr) * 1932-10-21
US2146365A (en) * 1934-12-13 1939-02-07 John C Batchelor Electron emitter
US2174853A (en) * 1937-08-26 1939-10-03 Hygrade Sylvania Corp Electron gun structure and method of assembly thereof
US2284389A (en) * 1940-08-31 1942-05-26 Gen Electric Rectifying system
US2303166A (en) * 1941-01-21 1942-11-24 Bell Telephone Labor Inc Electron discharge device
US2308800A (en) * 1941-02-15 1943-01-19 Bell Telephone Labor Inc Electron discharge device

Also Published As

Publication number Publication date
FR1009449A (fr) 1952-05-29
AT172298B (de) 1952-08-25
DE831856C (de) 1952-02-18
CH282861A (de) 1952-05-15
US2518472A (en) 1950-08-15

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