BE474970A - - Google Patents

Info

Publication number
BE474970A
BE474970A BE474970DA BE474970A BE 474970 A BE474970 A BE 474970A BE 474970D A BE474970D A BE 474970DA BE 474970 A BE474970 A BE 474970A
Authority
BE
Belgium
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 BE474970A publication Critical patent/BE474970A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators
    • 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
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
    • H01P5/103—Hollow-waveguide/coaxial-line transitions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/04—Coaxial resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/008—Receiver or amplifier input circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/19—Combined door holder and buffer

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Transmitters (AREA)
BE474970D 1945-06-14 BE474970A (lt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US599372A US2513761A (en) 1945-06-14 1945-06-14 Wave-signal selector system

Publications (1)

Publication Number Publication Date
BE474970A true BE474970A (lt)

Family

ID=24399351

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474970D BE474970A (lt) 1945-06-14

Country Status (5)

Country Link
US (1) US2513761A (lt)
BE (1) BE474970A (lt)
DE (1) DE809837C (lt)
FR (1) FR951366A (lt)
GB (1) GB612957A (lt)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803804A (en) * 1957-08-20 Variable inductance tuner for constant bandwidth tuning
BE506885A (lt) * 1950-11-04
US2694186A (en) * 1951-01-04 1954-11-09 Bell Telephone Labor Inc Wave filter
DE971139C (de) * 1951-04-08 1958-12-18 Pintsch Electro G M B H Schaltungsgebilde, insbesondere Bandfilter, fuer ultrakurze Wellen
BE513061A (lt) * 1951-05-23
US2787705A (en) * 1951-06-25 1957-04-02 Hazeltine Research Inc High-frequency wave-signal tuning device
US2762017A (en) * 1951-08-07 1956-09-04 Itt Ultrahigh frequency filter
US2843828A (en) * 1951-10-18 1958-07-15 Avco Mfg Corp Ultra-high-frequency converter for very-high-frequency television receiver
US2795699A (en) * 1952-05-17 1957-06-11 Westinghouse Electric Corp Ultrahigh-frequency tuner
US2755448A (en) * 1952-06-30 1956-07-17 Sarkes Tarzian Tuning unit
DE1128576B (de) * 1952-11-27 1962-04-26 Siemens Ag Aus koaxialen Leitungen bestehender umstimmbarer Filterkreis
US2798206A (en) * 1953-09-23 1957-07-02 Motorola Inc High frequency coupling device
US2839676A (en) * 1954-02-05 1958-06-17 Ebert Electronics Company High frequency tuners
US2815441A (en) * 1954-09-07 1957-12-03 Silverman Emanuel Television wave trap and the like
US2964718A (en) * 1955-03-21 1960-12-13 Cutler Hammer Inc Microwave circuits
US3068428A (en) * 1955-06-16 1962-12-11 Andrew Alford Diplexing unit
US2897364A (en) * 1955-11-09 1959-07-28 William C Farmer Tuned band-pass crystal holder
DE1108824B (de) * 1956-06-18 1961-06-15 Siemens Ag Durchstimmbares, mehrkreisiges Filter fuer sehr kurze elektromagnetische Wellen
DE1616678B1 (de) * 1956-06-19 1969-10-16 Siemens Ag Durchstimmbare Filteranordnung fuer sehr kurze elektromagnetische Wellen
DE1036948B (de) * 1957-05-17 1958-08-21 Siemens Ag Anordnung fuer sehr kurze elektromagnetische Wellen, bestehend aus einem Leitungsresonator mit einem Abstimmschieber und einer kapazitiv wirkenden Kopplungssonde
DE1184028B (de) * 1957-08-27 1964-12-23 Siemens Ag Hohlleiterbandfilter
GB855560A (en) * 1957-09-24 1960-12-07 Telefunken Gmbh Improvements in or relating to band pass filters and amplifiers for use on very highfrequencies
US3130380A (en) * 1962-02-13 1964-04-21 Ite Circuit Breaker Ltd Adjustable waveguide filter
US3242444A (en) * 1963-01-31 1966-03-22 Weinschel Eng Co Inc Slow wave line double-stub tuner
US3187278A (en) * 1963-11-12 1965-06-01 Sylvania Electric Prod Tunable coaxial cavity resonator with plunger mounted ring for shorting coupling loops
DE1281062B (de) * 1964-07-21 1968-10-24 Siemens Ag Filter fuer sehr kurze elektromagnetische Wellen
US4128840A (en) * 1977-01-10 1978-12-05 William Tucker Resonant re-entrant cavity whip antenna
FR2531815B1 (fr) * 1982-08-10 1985-08-02 Thomson Csf Filtre passe-bande a resonateurs dielectriques, presentant un couplage negatif entre resonateurs
EP2270926B1 (en) * 2009-05-26 2012-04-18 Alcatel Lucent An active antenna element
JP2015076660A (ja) * 2013-10-07 2015-04-20 Ｎｅｃエンジニアリング株式会社 導波管同軸変換装置及び送受信一体型分波器
RU2713719C1 (ru) * 2019-04-25 2020-02-06 Акционерное общество "Научно-производственное предприятие "Исток" имени А.И. Шокина" (АО "НПП "Исток" им. Шокина") Фильтр СВЧ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239905A (en) * 1938-02-19 1941-04-29 Rca Corp Filter circuits
US2220922A (en) * 1938-03-17 1940-11-12 Rca Corp Electrical wave filter
US2266501A (en) * 1939-07-28 1941-12-16 Rca Corp Electrical wave filter
US2284529A (en) * 1939-08-04 1942-05-26 Bell Telephone Labor Inc Wave transmission network
US2358462A (en) * 1943-07-30 1944-09-19 Standard Telephones Cables Ltd Measuring device

Also Published As

Publication number Publication date
FR951366A (fr) 1949-10-24
GB612957A (en) 1948-11-19
DE809837C (de) 1951-08-02
US2513761A (en) 1950-07-04

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