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
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
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- 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
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- 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
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- 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)
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 (ko) |
Family
ID=24399351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE474970D BE474970A (ko) | 1945-06-14 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2513761A (ko) |
BE (1) | BE474970A (ko) |
DE (1) | DE809837C (ko) |
FR (1) | FR951366A (ko) |
GB (1) | GB612957A (ko) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2803804A (en) * | 1957-08-20 | Variable inductance tuner for constant bandwidth tuning | ||
BE506885A (ko) * | 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 |
BE517377A (ko) * | 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)
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 |
-
0
- BE BE474970D patent/BE474970A/xx unknown
-
1945
- 1945-06-14 US US599372A patent/US2513761A/en not_active Expired - Lifetime
-
1946
- 1946-06-11 GB GB17467/46A patent/GB612957A/en not_active Expired
-
1947
- 1947-08-06 FR FR951366D patent/FR951366A/fr not_active Expired
-
1948
- 1948-11-26 DE DEP22726A patent/DE809837C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB612957A (en) | 1948-11-19 |
DE809837C (de) | 1951-08-02 |
FR951366A (fr) | 1949-10-24 |
US2513761A (en) | 1950-07-04 |