FR939296A - Improvements to electric filters for ultra-short waves - Google Patents

Improvements to electric filters for ultra-short waves

Info

Publication number
FR939296A
FR939296A FR939296DA FR939296A FR 939296 A FR939296 A FR 939296A FR 939296D A FR939296D A FR 939296DA FR 939296 A FR939296 A FR 939296A
Authority
FR
France
Prior art keywords
ultra
short waves
electric filters
filters
electric
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)
Inventor
John Heaver Fremlin
Thomas Arthur John Jaques
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939296A publication Critical patent/FR939296A/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
    • H01J25/06—Tubes having only one resonator, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly velocity modulation, e.g. Lüdi-Klystron
    • H01J25/08—Tubes having only one resonator, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly velocity modulation, e.g. Lüdi-Klystron with electron stream perpendicular to the axis of the resonator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/202—Coaxial filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/24—Terminating devices
    • H01P1/28—Short-circuiting plungers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR939296D 1942-10-02 1946-08-29 Improvements to electric filters for ultra-short waves Expired FR939296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1389542A GB586122A (en) 1942-10-02 1942-10-02 Improvements in tunable electric resonators for ultra high frequencies

Publications (1)

Publication Number Publication Date
FR939296A true FR939296A (en) 1948-11-09

Family

ID=10031330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939296D Expired FR939296A (en) 1942-10-02 1946-08-29 Improvements to electric filters for ultra-short waves

Country Status (2)

Country Link
FR (1) FR939296A (en)
GB (1) GB586122A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829352A (en) * 1953-12-24 1958-04-01 Varian Associates Tunable waveguide short

Also Published As

Publication number Publication date
GB586122A (en) 1947-03-07

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