FR1134058A - Appareil à modulation de vitesse à faible bruit - Google Patents

Appareil à modulation de vitesse à faible bruit

Info

Publication number
FR1134058A
FR1134058A FR1134058DA FR1134058A FR 1134058 A FR1134058 A FR 1134058A FR 1134058D A FR1134058D A FR 1134058DA FR 1134058 A FR1134058 A FR 1134058A
Authority
FR
France
Prior art keywords
low noise
modulation device
velocity modulation
noise velocity
low
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)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1134058A publication Critical patent/FR1134058A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/06—Electron or ion guns
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/005—Gas-filled transit-time tubes
FR1134058D 1954-11-29 1955-07-06 Appareil à modulation de vitesse à faible bruit Expired FR1134058A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US471673A US2947905A (en) 1954-11-29 1954-11-29 Low noise velocity modulation apparatus

Publications (1)

Publication Number Publication Date
FR1134058A true FR1134058A (fr) 1957-04-05

Family

ID=23872572

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1134058D Expired FR1134058A (fr) 1954-11-29 1955-07-06 Appareil à modulation de vitesse à faible bruit

Country Status (6)

Country Link
US (1) US2947905A (xx)
BE (1) BE542850A (xx)
DE (1) DE1071851B (xx)
FR (1) FR1134058A (xx)
GB (1) GB806890A (xx)
NL (1) NL198433A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257982B (de) * 1954-08-05 1968-01-04 Int Standard Electric Corp Kopplungsanordnung fuer eine Wanderfeldwendelroehre

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215890A (en) * 1961-05-22 1965-11-02 Zenith Radio Corp Electron gun structure for producing an electron beam free of radial velocity components wherein the length of the first non-magnetic cylinder is approximately equal to an integral number of wave lengths of the scallop frequency
US3377492A (en) * 1965-08-03 1968-04-09 Hughes Aircraft Co Flood gun for storage tubes having a dome-shaped cathode and dome-shaped grid electrodes
US3448313A (en) * 1966-10-10 1969-06-03 Varian Associates Efficient radiation cooled beam collector for linear beam devices
US4321505A (en) * 1978-07-24 1982-03-23 Varian Associates, Inc. Zero-bias gridded gun
US5233269A (en) * 1990-04-13 1993-08-03 Varian Associates, Inc. Vacuum tube with an electron beam that is current and velocity-modulated
JP3996442B2 (ja) * 2002-05-27 2007-10-24 Ｎｅｃマイクロ波管株式会社 電子銃

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE468391A (xx) * 1941-03-11
US2455269A (en) * 1942-11-17 1948-11-30 Bell Telephone Labor Inc Velocity variation apparatus
US2484643A (en) * 1945-03-06 1949-10-11 Bell Telephone Labor Inc High-frequency electronic device
US2494721A (en) * 1947-06-18 1950-01-17 Bell Telephone Labor Inc Electron velocity variation device with noise reducing resonator
FR972679A (fr) * 1948-09-01 1951-02-01 Csf Système amplificateur à faible bruit pour ondes ultra courtes
US2595698A (en) * 1949-05-10 1952-05-06 Rca Corp Electron discharge device and associated circuit
US2720610A (en) * 1950-07-27 1955-10-11 Kazan Benjamin Noise reducing travelling-wave tube
BE519430A (xx) * 1950-12-01
US2641733A (en) * 1951-01-08 1953-06-09 Collins Radio Co High-frequency tube
BE511284A (xx) * 1951-05-11
US2800602A (en) * 1951-06-05 1957-07-23 Univ Leland Stanford Junior Low noise electron discharge tubes
US2800603A (en) * 1952-04-08 1957-07-23 Itt Traveling wave electron discharge devices
US2767259A (en) * 1952-10-01 1956-10-16 Rca Corp Noise compensation in electron beam devices
US2832001A (en) * 1954-08-27 1958-04-22 Zenith Radio Corp Electron discharge systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257982B (de) * 1954-08-05 1968-01-04 Int Standard Electric Corp Kopplungsanordnung fuer eine Wanderfeldwendelroehre

Also Published As

Publication number Publication date
US2947905A (en) 1960-08-02
DE1071851B (xx)
NL198433A (xx)
BE542850A (xx)
GB806890A (en) 1959-01-07

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