FR2135757A5 - - Google Patents

Info

Publication number
FR2135757A5
FR2135757A5 FR7114989A FR7114989A FR2135757A5 FR 2135757 A5 FR2135757 A5 FR 2135757A5 FR 7114989 A FR7114989 A FR 7114989A FR 7114989 A FR7114989 A FR 7114989A FR 2135757 A5 FR2135757 A5 FR 2135757A5
Authority
FR
France
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
FR7114989A
Other languages
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7114989A priority Critical patent/FR2135757A5/fr
Priority to US00241163A priority patent/US3790843A/en
Priority to GB1949672A priority patent/GB1344766A/en
Application granted granted Critical
Publication of FR2135757A5 publication Critical patent/FR2135757A5/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
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/083—Electrostatic focusing arrangements
    • 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
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • 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
FR7114989A 1971-04-27 1971-04-27 Expired FR2135757A5 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7114989A FR2135757A5 (de) 1971-04-27 1971-04-27
US00241163A US3790843A (en) 1971-04-27 1972-04-05 Electrostatic focussing devices especially for microwave tubes
GB1949672A GB1344766A (en) 1971-04-27 1972-04-26 Electrostatic focussing devices which can be used in particular in microwave tubes and tubes comprising such devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7114989A FR2135757A5 (de) 1971-04-27 1971-04-27

Publications (1)

Publication Number Publication Date
FR2135757A5 true FR2135757A5 (de) 1972-12-22

Family

ID=9076010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7114989A Expired FR2135757A5 (de) 1971-04-27 1971-04-27

Country Status (3)

Country Link
US (1) US3790843A (de)
FR (1) FR2135757A5 (de)
GB (1) GB1344766A (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825835A (en) * 1955-08-24 1958-03-04 Heppner Mfg Co Beam positioning device
US2972079A (en) * 1958-10-27 1961-02-14 Rca Corp Ceramic supported electrode mounts
US3295000A (en) * 1964-07-14 1966-12-27 Sylvania Electric Prod Electron gun positioning structure
GB1096591A (en) * 1964-12-31 1967-12-29 M O Valve Co Ltd Improvements in or relating to electric valves
GB1161877A (en) * 1965-11-03 1969-08-20 Emi Ltd Improvements relating to Electron Discharged Devices, especially Klystrons.
US3436588A (en) * 1966-11-10 1969-04-01 Varian Associates Electrostatically focused klystron having cavities with common wall structures and reentrant focusing lens housings
US3483419A (en) * 1967-12-18 1969-12-09 Varian Associates Velocity modulation tube with r.f. lossy leads to the beam focusing lenses
US3681643A (en) * 1970-10-15 1972-08-01 Philips Corp Cathode-system in which the cathode is supported by prestressed wires

Also Published As

Publication number Publication date
GB1344766A (en) 1974-01-23
US3790843A (en) 1974-02-05

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse