FR1164780A - Magnetic device for the concentration of at least one electron beam, in particular for field propagation tubes - Google Patents

Magnetic device for the concentration of at least one electron beam, in particular for field propagation tubes

Info

Publication number
FR1164780A
FR1164780A FR1164780DA FR1164780A FR 1164780 A FR1164780 A FR 1164780A FR 1164780D A FR1164780D A FR 1164780DA FR 1164780 A FR1164780 A FR 1164780A
Authority
FR
France
Prior art keywords
concentration
electron beam
magnetic device
field propagation
propagation 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
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1164780A publication Critical patent/FR1164780A/en
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
    • H01J23/087—Magnetic focusing arrangements
    • H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
FR1164780D 1956-03-01 1957-01-16 Magnetic device for the concentration of at least one electron beam, in particular for field propagation tubes Expired FR1164780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES47742A DE1076280B (en) 1956-03-01 1956-03-01 Permanent magnet system for the bundled guidance of at least one electron beam over a larger distance, especially for traveling wave tubes

Publications (1)

Publication Number Publication Date
FR1164780A true FR1164780A (en) 1958-10-14

Family

ID=7486537

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1164780D Expired FR1164780A (en) 1956-03-01 1957-01-16 Magnetic device for the concentration of at least one electron beam, in particular for field propagation tubes

Country Status (6)

Country Link
US (1) US2876373A (en)
CH (1) CH355530A (en)
DE (1) DE1076280B (en)
FR (1) FR1164780A (en)
GB (1) GB853061A (en)
NL (2) NL99653C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL107303C (en) * 1957-07-11
NL100798C (en) * 1958-03-12
NL98136C (en) * 1958-06-27
US3106659A (en) * 1959-03-24 1963-10-08 Kearfott Company Inc Microwave tube construction
US3265978A (en) * 1959-08-17 1966-08-09 Westinghouse Electric Corp D. c. pumped quadrupole parametric amplifier
US3183398A (en) * 1960-08-04 1965-05-11 Raytheon Co Beam focusing magnet
US3164742A (en) * 1960-12-27 1965-01-05 Gen Electric High frequency energy interchange device
DE1226217B (en) * 1961-04-19 1966-10-06 Telefunken Patent Permanent magnet arrangement for periodic focusing of an electron beam running inside a vacuum envelope
NL277862A (en) * 1961-05-02
DE1246891B (en) * 1962-02-23 1967-08-10 Telefunken Patent Magnetic focusing arrangement for the bundled guidance of an electron beam, especially for traveling wave tubes
NL298777A (en) * 1962-10-04 1900-01-01
US3254273A (en) * 1963-10-31 1966-05-31 Radio Frequency Lab Inc Standard magnet
US5744910A (en) * 1993-04-02 1998-04-28 Litton Systems, Inc. Periodic permanent magnet focusing system for electron beam
JP5221761B2 (en) * 2009-07-15 2013-06-26 パイオニア株式会社 Imaging device
CN108776129B (en) * 2018-07-06 2023-12-08 中国科学院西安光学精密机械研究所 Multifunctional annular magnet array laser plasma restraint device and application system thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2157182A (en) * 1935-12-31 1939-05-09 Rca Corp Cathode ray deflecting device
US2102045A (en) * 1936-05-13 1937-12-14 Albert G Thomas Electron discharge tube
NL92251C (en) * 1948-10-01
US2801361A (en) * 1948-12-10 1957-07-30 Bell Telephone Labor Inc High frequency amplifier
BE516428A (en) * 1951-12-29
DE1071237B (en) * 1953-04-29
US2847607A (en) * 1953-04-29 1958-08-12 Bell Telephone Labor Inc Magnetic focusing system
US2812470A (en) * 1954-10-22 1957-11-05 Bell Telephone Labor Inc Periodic focusing in traveling wave tubes

Also Published As

Publication number Publication date
NL214979A (en)
DE1076280B (en) 1960-02-25
US2876373A (en) 1959-03-03
CH355530A (en) 1961-07-15
GB853061A (en) 1960-11-02
NL99653C (en)

Similar Documents

Publication Publication Date Title
FR1164780A (en) Magnetic device for the concentration of at least one electron beam, in particular for field propagation tubes
FR1117682A (en) Indicator device with luminous member, in particular tuning indicator
FR1153973A (en) Electron beam device
FR1153322A (en) Method and device for the manufacture of steel tubes
FR1245296A (en) Device for deflecting an electron beam
BE597346A (en) Electron beam device.
FR1121921A (en) Ammonia development enhancements
FR1320596A (en) Magnetic correction device for electron beam tubes, in particular traveling wave tubes
FR1241269A (en) Magnetic field generating device for electron beam tube
FR1122907A (en) Oscillating diameter electron beam amplification
FR1180250A (en) Electron discharge device
FR1169739A (en) Closure device for test tubes, in particular for applications in the field of bacteriology
FR1099900A (en) Electromagnetic mechanism, in particular auxiliary clockwork
FR1335390A (en) Device equipped with an electron beam tube for signal amplification
CH349005A (en) Device for producing an electron beam with parallel edges
FR1192945A (en) Device equipped with a counter tube consisting of an electron tube with a laminar beam
FR1116825A (en) Device for concentrating the cathode beam for electron tubes intended to store information
BE587674A (en) Amplifier device equipped with an electron beam tube
FR1085671A (en) Device for adjusting the concentration of an electron beam
FR1441197A (en) Device for magnetic concentration of the electron beam of a discharge tube
FR1311642A (en) Amplifier device equipped with an electron beam tube
FR1153035A (en) Device for purifying, in particular metal in the liquid state, by centrifugation
FR1085390A (en) Device for arc welding
FR1157698A (en) Semiconductor electrode system
FR1293980A (en) Electron beam tube for amplifying very high frequencies by the parametric principle