FR937800A - New process and electron tubes for the modulation of an electron beam - Google Patents

New process and electron tubes for the modulation of an electron beam

Info

Publication number
FR937800A
FR937800A FR937800DA FR937800A FR 937800 A FR937800 A FR 937800A FR 937800D A FR937800D A FR 937800DA FR 937800 A FR937800 A FR 937800A
Authority
FR
France
Prior art keywords
electron
modulation
new process
tubes
electron beam
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR937800A publication Critical patent/FR937800A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/30—Angle modulation by means of transit-time tube
    • H03C3/32—Angle modulation by means of transit-time tube the tube being a magnetron
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • 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
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
    • H01J31/04—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with only one or two output electrodes with only two electrically independant groups or electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0029—Electron beam tubes
FR937800D 1945-12-05 1946-12-05 New process and electron tubes for the modulation of an electron beam Expired FR937800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US632977A US2461250A (en) 1945-12-05 1945-12-05 Electric discharge device and system

Publications (1)

Publication Number Publication Date
FR937800A true FR937800A (en) 1948-08-26

Family

ID=24537779

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937800D Expired FR937800A (en) 1945-12-05 1946-12-05 New process and electron tubes for the modulation of an electron beam

Country Status (5)

Country Link
US (1) US2461250A (en)
BE (1) BE472241A (en)
FR (1) FR937800A (en)
GB (1) GB644992A (en)
NL (1) NL75998C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552363A (en) * 1947-10-28 1951-05-08 Bendix Aviat Corp Radial beam modulator tube
US2743390A (en) * 1951-06-04 1956-04-24 Harold E Renfro Frequency control apparatus
US2739259A (en) * 1952-04-08 1956-03-20 Clarence E Neat Electron discharge tube
US2876350A (en) * 1955-05-26 1959-03-03 Burroughs Corp Coding system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2129710A (en) * 1933-09-25 1938-09-13 William H Woodin Jr Amplifying relay system
DE727809C (en) * 1936-03-05 1942-11-12 Telefunken Gmbh Arrangement for generating electrical vibrations
US2322556A (en) * 1942-04-22 1943-06-22 Electronbeam Inc Electronic relay
US2391967A (en) * 1943-01-27 1946-01-01 Bell Telephone Labor Inc Wave generator

Also Published As

Publication number Publication date
BE472241A (en)
GB644992A (en) 1950-10-25
US2461250A (en) 1949-02-08
NL75998C (en)

Similar Documents

Publication Publication Date Title
FR940052A (en) Electron tube for very high frequencies
FR937800A (en) New process and electron tubes for the modulation of an electron beam
CH261754A (en) Process for the manufacture of an electron tube.
FR931013A (en) Improvements to devices producing an electron beam
FR914791A (en) Process for the copolymerization of a substituted styrene and a polyolefin
FR929969A (en) Process for the preparation of symmetrical and asymmetric mesosubstituted carbocyanines
FR931373A (en) Process for the production of alpha-haloacrylic acid monomeric esters
FR1006335A (en) Electron tube for microwave
FR1076856A (en) Electron tube for the production of high frequency oscillations
FR56664E (en) Method of forming straightening elements
FR920322A (en) Method and apparatus for the manufacture of zippers
FR998410A (en) Method of applying fluorescent materials
FR915014A (en) New steel making process
FR934879A (en) Process for the production of hydroxyalkylamides of acrylic acids and their polymers
FR926953A (en) Clutch shim and method for manufacturing it
FR916133A (en) Mechanical process and equipment for concrete constructions
FR911504A (en) Electron tube for the production and amplification of micrometric waves
FR936812A (en) Electron tube for the production and amplification of electrical oscillations
FR919103A (en) Method and machine for the production of ampoules
FR989644A (en) New process and device for the extrusion of metal tubes
FR995987A (en) Process for the extraction of cobalt and nickel
FR921856A (en) Process for the preparation of cellulose esters
FR1065278A (en) Improved method and apparatus for the manufacture of metal tubes
FR909952A (en) Process for preparing high strength porous concrete and its uses
FR932214A (en) Process for the preparation of imidazolido-thiophanes