NL113950C - - Google Patents

Info

Publication number
NL113950C
NL113950C NL113950DA NL113950C NL 113950 C NL113950 C NL 113950C NL 113950D A NL113950D A NL 113950DA NL 113950 C NL113950 C NL 113950C
Authority
NL
Netherlands
Application number
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.)
Publication of NL113950C publication Critical patent/NL113950C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/49Tubes using the parametric principle, e.g. for parametric amplification
NL113950D 1957-11-25 NL113950C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698854A US2974252A (en) 1957-11-25 1957-11-25 Low noise amplifier

Publications (1)

Publication Number Publication Date
NL113950C true NL113950C (xx)

Family

ID=24806927

Family Applications (2)

Application Number Title Priority Date Filing Date
NL232220D NL232220A (xx) 1957-11-25
NL113950D NL113950C (xx) 1957-11-25

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL232220D NL232220A (xx) 1957-11-25

Country Status (5)

Country Link
US (1) US2974252A (xx)
BE (1) BE572781A (xx)
FR (1) FR1213157A (xx)
GB (1) GB832172A (xx)
NL (2) NL113950C (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258706A (en) * 1966-06-28 Noise reduction in slow beam waves by parametric cooling
US3090925A (en) * 1958-09-17 1963-05-21 Zenith Radio Corp Parametric amplifier
US3087119A (en) * 1959-11-19 1963-04-23 Bell Telephone Labor Inc Noise reduction system for parametric amplifiers
US3096485A (en) * 1960-01-04 1963-07-02 Rca Corp Diode traveling wave parametric amplifier
US3138765A (en) * 1960-02-01 1964-06-23 Bell Telephone Labor Inc Triode parametric amplifier
US3213383A (en) * 1960-03-14 1965-10-19 Philips Corp Parametric amplifier with its own backward wave oscillator supplying pump frequency
US3060341A (en) * 1960-04-08 1962-10-23 Bell Telephone Labor Inc Traveling wave tube
NL265095A (xx) * 1960-07-04
NL281685A (xx) * 1961-08-02
GB9016017D0 (en) * 1990-07-20 1990-09-05 Eev Ltd Amplifying arrangements
US5162747A (en) * 1991-02-19 1992-11-10 Hughes Aircraft Company Velocity modulation microwave amplifier with multiple band interaction structures

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE437339A (xx) * 1937-07-14
US2272165A (en) * 1938-03-01 1942-02-03 Univ Leland Stanford Junior High frequency electrical apparatus
US2455269A (en) * 1942-11-17 1948-11-30 Bell Telephone Labor Inc Velocity variation apparatus
BE481272A (xx) * 1945-12-17
US2494721A (en) * 1947-06-18 1950-01-17 Bell Telephone Labor Inc Electron velocity variation device with noise reducing resonator
US2579480A (en) * 1947-08-26 1951-12-25 Sperry Corp Ultrahigh-frequency electron discharge apparatus
US2511120A (en) * 1948-06-12 1950-06-13 Bell Telephone Labor Inc Balanced electronic translating system
US2720610A (en) * 1950-07-27 1955-10-11 Kazan Benjamin Noise reducing travelling-wave tube
US2767259A (en) * 1952-10-01 1956-10-16 Rca Corp Noise compensation in electron beam devices
US2726291A (en) * 1953-12-07 1955-12-06 Bell Telephone Labor Inc Traveling wave tube
US2805333A (en) * 1955-07-26 1957-09-03 Sylvania Electric Prod Traveling wave tube mixer

Also Published As

Publication number Publication date
NL232220A (xx)
FR1213157A (fr) 1960-03-29
BE572781A (xx)
US2974252A (en) 1961-03-07
GB832172A (en) 1960-04-06

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