FR939121A - Tubes à faisceaux électroniques dirigés - Google Patents

Tubes à faisceaux électroniques dirigés

Info

Publication number
FR939121A
FR939121A FR939121DA FR939121A FR 939121 A FR939121 A FR 939121A FR 939121D A FR939121D A FR 939121DA FR 939121 A FR939121 A FR 939121A
Authority
FR
France
Prior art keywords
electron beam
beam tubes
directed electron
directed
tubes
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)
Inventor
Karl R Spangenberg
Lester M Field
Robert Helm
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939121A publication Critical patent/FR939121A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
FR939121D 1942-06-15 1946-04-03 Tubes à faisceaux électroniques dirigés Expired FR939121A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447194A US2436833A (en) 1942-06-15 1942-06-15 High density beam tube

Publications (1)

Publication Number Publication Date
FR939121A true FR939121A (fr) 1948-11-04

Family

ID=23775370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939121D Expired FR939121A (fr) 1942-06-15 1946-04-03 Tubes à faisceaux électroniques dirigés

Country Status (5)

Country Link
US (1) US2436833A (fr)
CH (1) CH270142A (fr)
ES (1) ES172514A1 (fr)
FR (1) FR939121A (fr)
GB (1) GB579371A (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL48925C (fr) * 1933-07-08
BE406706A (fr) * 1933-12-09
US2160021A (en) * 1937-06-29 1939-05-30 Rca Corp Electrode arrangement for cathode ray tubes
US2174580A (en) * 1937-07-08 1939-10-03 Hazeltine Corp Cathode-ray tube system
BE437339A (fr) * 1937-07-14
US2206666A (en) * 1937-10-22 1940-07-02 Rca Corp Cathode ray tube
US2245627A (en) * 1938-06-24 1941-06-17 Univ Leland Stanford Junior Stabilization of frequency
US2278210A (en) * 1940-07-05 1942-03-31 Bell Telephone Labor Inc Electron discharge device

Also Published As

Publication number Publication date
ES172514A1 (es) 1946-03-16
US2436833A (en) 1948-03-02
CH270142A (fr) 1950-08-15
GB579371A (en) 1946-08-01

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