FR1009449A - Canon à électrons et amplificateur électronique utilisant ce canon - Google Patents

Canon à électrons et amplificateur électronique utilisant ce canon

Info

Publication number
FR1009449A
FR1009449A FR1009449DA FR1009449A FR 1009449 A FR1009449 A FR 1009449A FR 1009449D A FR1009449D A FR 1009449DA FR 1009449 A FR1009449 A FR 1009449A
Authority
FR
France
Prior art keywords
gun
electronic amplifier
electron
electron gun
amplifier
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
Other languages
English (en)
French (fr)
Inventor
Oskar Heil
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 FR1009449A publication Critical patent/FR1009449A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
    • H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0029—Electron beam tubes
FR1009449D 1949-02-03 1950-01-24 Canon à électrons et amplificateur électronique utilisant ce canon Expired FR1009449A (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
FR1009449A true FR1009449A (fr) 1952-05-29

Family

ID=22118748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1009449D Expired FR1009449A (fr) 1949-02-03 1950-01-24 Canon à électrons et amplificateur électronique utilisant ce canon

Country Status (6)

Country Link
US (1) US2518472A (en, 2012)
AT (1) AT172298B (en, 2012)
CH (1) CH282861A (en, 2012)
DE (1) DE831856C (en, 2012)
FR (1) FR1009449A (en, 2012)
NL (1) NL85535C (en, 2012)

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
NL39573C (en, 2012) * 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
DE831856C (de) 1952-02-18
CH282861A (de) 1952-05-15
US2518472A (en) 1950-08-15
NL85535C (en, 2012) 1957-07-15
AT172298B (de) 1952-08-25

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