GB681268A - Improvements in or relating to devices for producing electro-magnetic waves of a wavelength of the order of not more than one centimetre - Google Patents

Improvements in or relating to devices for producing electro-magnetic waves of a wavelength of the order of not more than one centimetre

Info

Publication number
GB681268A
GB681268A GB27068/49A GB2706849A GB681268A GB 681268 A GB681268 A GB 681268A GB 27068/49 A GB27068/49 A GB 27068/49A GB 2706849 A GB2706849 A GB 2706849A GB 681268 A GB681268 A GB 681268A
Authority
GB
United Kingdom
Prior art keywords
resonator
beams
electrode
apertures
potential
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
GB27068/49A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB681268A publication Critical patent/GB681268A/en
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
    • H01J25/22—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
    • H01J25/30—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone in which the electron stream is perpendicular to the axis of the resonator or resonators and is radial or disc-like before reflection
    • 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
    • H01J25/22—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
    • H01J25/28—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone in which the electron stream is perpendicular to the axis of the resonator or resonators and is pencil-like before reflection

Landscapes

  • Lasers (AREA)
  • Particle Accelerators (AREA)
  • Microwave Tubes (AREA)
GB27068/49A 1948-10-26 1949-10-21 Improvements in or relating to devices for producing electro-magnetic waves of a wavelength of the order of not more than one centimetre Expired GB681268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL276870X 1948-10-26

Publications (1)

Publication Number Publication Date
GB681268A true GB681268A (en) 1952-10-22

Family

ID=19782153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27068/49A Expired GB681268A (en) 1948-10-26 1949-10-21 Improvements in or relating to devices for producing electro-magnetic waves of a wavelength of the order of not more than one centimetre

Country Status (6)

Country Link
BE (1) BE491814A (de)
CH (1) CH276870A (de)
DE (1) DE806684C (de)
FR (1) FR998149A (de)
GB (1) GB681268A (de)
NL (2) NL83164C (de)

Also Published As

Publication number Publication date
CH276870A (de) 1951-07-31
NL83164C (de)
BE491814A (de)
NL142990B (nl)
FR998149A (fr) 1952-01-15
DE806684C (de) 1951-06-18

Similar Documents

Publication Publication Date Title
US2566087A (en) Tube of the magnetron type for ultra-short waves
US2278210A (en) Electron discharge device
US2289756A (en) Electron tube and circuits employing it
US2817045A (en) Electromagnetic wave generator
US2468152A (en) Ultra high frequency apparatus of the cavity resonator type
US2888597A (en) Travelling wave oscillator tubes
US2439387A (en) Electronic tuning control
US2096460A (en) Space discharge apparatus
US1999884A (en) Frequency multiplication
US2407274A (en) Ultra high frequency electronic device
US2797354A (en) Millimeter wave electric discharge device
US2623129A (en) Thermionic tube for amplification of ultrashort electric waves
US2409227A (en) Ultra high frequency electronic device
GB681268A (en) Improvements in or relating to devices for producing electro-magnetic waves of a wavelength of the order of not more than one centimetre
US2404078A (en) Electron discharge device
US2506627A (en) Electron discharge device
GB715463A (en) Improvements in or relating to high-frequency apparatus
US3573540A (en) Microwave traveling wave device with electronically switched interaction characteristics
GB729930A (en) Improvements in or relating to electron discharge devices
US2614234A (en) Oscillating and amplifying vacuum tube for very short waves
US2215779A (en) Electron tube and circuit employing it
US2108830A (en) Electron discharge apparatus
US2687491A (en) Ultrahigh-frequency vacuum tube
GB1213684A (en) Improved electron accelerator
US2817789A (en) Magnetron tube structure