JPS49124962A - - Google Patents

Info

Publication number
JPS49124962A
JPS49124962A JP48088748A JP8874873A JPS49124962A JP S49124962 A JPS49124962 A JP S49124962A JP 48088748 A JP48088748 A JP 48088748A JP 8874873 A JP8874873 A JP 8874873A JP S49124962 A JPS49124962 A JP S49124962A
Authority
JP
Japan
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.)
Pending
Application number
JP48088748A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS49124962A publication Critical patent/JPS49124962A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Microwave Tubes (AREA)
JP48088748A 1972-08-07 1973-08-07 Pending JPS49124962A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27840872A 1972-08-07 1972-08-07

Publications (1)

Publication Number Publication Date
JPS49124962A true JPS49124962A (cs) 1974-11-29

Family

ID=23064862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48088748A Pending JPS49124962A (cs) 1972-08-07 1973-08-07

Country Status (7)

Country Link
US (1) US3787747A (cs)
JP (1) JPS49124962A (cs)
DE (1) DE2338061A1 (cs)
FR (1) FR2195838B1 (cs)
GB (1) GB1406938A (cs)
IL (1) IL42696A (cs)
IT (1) IT992766B (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007502522A (ja) * 2003-08-12 2007-02-08 マンハッタン テクノロジィズ エルエルシー 二平面型後進波発振器の方法と装置

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909651A (en) * 1974-08-15 1975-09-30 Us Army Low-cost periodic permanent magnet and electrostatic focusing scheme for electron tubes
US3982152A (en) * 1974-11-25 1976-09-21 Raytheon Company Cascade crossed field device
US3971965A (en) * 1975-03-31 1976-07-27 The United States Of America As Represented By The Secretary Of The Army Internally-focused traveling wave tube
US4107573A (en) * 1977-02-02 1978-08-15 The United States Of America As Represented By The Secretary Of The Army Printed circuit traveling wave tube
US4232249A (en) * 1978-09-28 1980-11-04 Bell Telephone Laboratories, Incorporated Beam-switched traveling wave tube
US4392078A (en) * 1980-12-10 1983-07-05 General Electric Company Electron discharge device with a spatially periodic focused beam
US5227691A (en) * 1989-05-24 1993-07-13 Matsushita Electric Industrial Co., Ltd. Flat tube display apparatus
US5712537A (en) * 1993-01-11 1998-01-27 Real Time Electronics, Corporation High frequency scan converter
US6700454B2 (en) 2001-06-29 2004-03-02 Zvi Yaniv Integrated RF array using carbon nanotube cathodes
FR2856189B1 (fr) * 2003-06-10 2007-02-16 Hutchinson Procede de fabrication d'un dispositif de codage magnetique, ainsi que le dispositif ainsi obtenu
WO2005017939A2 (en) * 2003-06-30 2005-02-24 Massachusetts Institute Of Technology Ribbon-beam travelling wave amplifier with a single-sided slow-wave structure
US7193485B2 (en) 2003-08-12 2007-03-20 James A. Dayton, Jr. Method and apparatus for bi-planar backward wave oscillator
US7679462B2 (en) 2006-07-13 2010-03-16 Manhattan Technologies, Llc Apparatus and method for producing electromagnetic oscillations
WO2010065170A1 (en) * 2008-08-20 2010-06-10 Manhattan Technologies Ltd. Multibeam doubly convergent electron gun
US8723137B1 (en) * 2012-10-17 2014-05-13 Innosys, Inc Hybrid magnet for vacuum electronic device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2812470A (en) * 1954-10-22 1957-11-05 Bell Telephone Labor Inc Periodic focusing in traveling wave tubes
US2911555A (en) * 1957-09-04 1959-11-03 Hughes Aircraft Co Traveling-wave tube
US3102211A (en) * 1959-08-19 1963-08-27 Varian Associates Adiabatic beam condenser method and apparatus
US3231780A (en) * 1960-10-14 1966-01-25 Sfd Lab Inc Meandering slow wave circuit having high impedance stub support means
US3504222A (en) * 1966-10-07 1970-03-31 Hitachi Ltd Slow-wave circuit including meander line and shielding therefor
US3610999A (en) * 1970-02-05 1971-10-05 Varian Associates Slow wave circuit and method of fabricating same
US3670196A (en) * 1971-02-24 1972-06-13 Raytheon Co Helix delay line for traveling wave devices
US3705327A (en) * 1971-06-02 1972-12-05 Allan W Scott Microwave generator with interleaved focusing and interaction structures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007502522A (ja) * 2003-08-12 2007-02-08 マンハッタン テクノロジィズ エルエルシー 二平面型後進波発振器の方法と装置

Also Published As

Publication number Publication date
DE2338061A1 (de) 1974-02-21
GB1406938A (en) 1975-09-17
IT992766B (it) 1975-09-30
FR2195838A1 (cs) 1974-03-08
IL42696A0 (en) 1973-10-25
FR2195838B1 (cs) 1977-02-25
US3787747A (en) 1974-01-22
IL42696A (en) 1976-02-29

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