DE3267174D1 - Passive microwave duplexer using semi-conductors - Google Patents
Passive microwave duplexer using semi-conductorsInfo
- Publication number
 - DE3267174D1 DE3267174D1 DE8282401518T DE3267174T DE3267174D1 DE 3267174 D1 DE3267174 D1 DE 3267174D1 DE 8282401518 T DE8282401518 T DE 8282401518T DE 3267174 T DE3267174 T DE 3267174T DE 3267174 D1 DE3267174 D1 DE 3267174D1
 - Authority
 - DE
 - Germany
 - Prior art keywords
 - delta
 - conductors
 - semi
 - duplexer
 - passive microwave
 - 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
 
Links
- 239000004065 semiconductor Substances 0.000 title 1
 - 108700041286 delta Proteins 0.000 abstract 3
 
Classifications
- 
        
- H—ELECTRICITY
 - H01—ELECTRIC ELEMENTS
 - H01Q—ANTENNAS, i.e. RADIO AERIALS
 - H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
 - H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
 
 - 
        
- H—ELECTRICITY
 - H01—ELECTRIC ELEMENTS
 - H01Q—ANTENNAS, i.e. RADIO AERIALS
 - H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
 
 - 
        
- H—ELECTRICITY
 - H01—ELECTRIC ELEMENTS
 - H01Q—ANTENNAS, i.e. RADIO AERIALS
 - H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
 - H01Q15/14—Reflecting surfaces; Equivalent structures
 
 
Landscapes
- Physics & Mathematics (AREA)
 - Electromagnetism (AREA)
 - Radar Systems Or Details Thereof (AREA)
 - Waveguide Aerials (AREA)
 - Waveguide Switches, Polarizers, And Phase Shifters (AREA)
 - Transceivers (AREA)
 - Variable-Direction Aerials And Aerial Arrays (AREA)
 - Details Of Aerials (AREA)
 - Burglar Alarm Systems (AREA)
 - Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| FR8116467A FR2512281B1 (enEXAMPLES) | 1981-08-28 | 1981-08-28 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| DE3267174D1 true DE3267174D1 (en) | 1985-12-05 | 
Family
ID=9261748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE8282401518T Expired DE3267174D1 (en) | 1981-08-28 | 1982-08-10 | Passive microwave duplexer using semi-conductors | 
Country Status (7)
| Country | Link | 
|---|---|
| US (1) | US4574288A (enEXAMPLES) | 
| EP (1) | EP0074295B1 (enEXAMPLES) | 
| JP (1) | JPS5843601A (enEXAMPLES) | 
| AT (1) | ATE16332T1 (enEXAMPLES) | 
| CA (1) | CA1202105A (enEXAMPLES) | 
| DE (1) | DE3267174D1 (enEXAMPLES) | 
| FR (1) | FR2512281B1 (enEXAMPLES) | 
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US5245352A (en) * | 1982-09-30 | 1993-09-14 | The Boeing Company | Threshold sensitive low visibility reflecting surface | 
| US4684954A (en) * | 1985-08-19 | 1987-08-04 | Radant Technologies, Inc. | Electromagnetic energy shield | 
| US6747607B1 (en) * | 1988-02-12 | 2004-06-08 | The Directv Group, Inc. | Radiation power limiter | 
| JPH0711002Y2 (ja) * | 1988-08-10 | 1995-03-15 | 株式会社ユニシアジェックス | 液体ポンプの流量制御弁 | 
| US5594456A (en) * | 1994-09-07 | 1997-01-14 | Patriot Scientific Corporation | Gas tube RF antenna | 
| US5990837A (en) * | 1994-09-07 | 1999-11-23 | Asi | Rugged gas tube RF cellular antenna | 
| US5592186A (en) * | 1995-03-02 | 1997-01-07 | Northrop Grumman Corporation | Sectional filter assembly | 
| JPH0951293A (ja) * | 1995-05-30 | 1997-02-18 | Matsushita Electric Ind Co Ltd | 室内無線通信システム | 
| US6812895B2 (en) | 2000-04-05 | 2004-11-02 | Markland Technologies, Inc. | Reconfigurable electromagnetic plasma waveguide used as a phase shifter and a horn antenna | 
| US6369763B1 (en) | 2000-04-05 | 2002-04-09 | Asi Technology Corporation | Reconfigurable plasma antenna | 
| US6624719B1 (en) | 2000-04-05 | 2003-09-23 | Asi Technology Corporation | Reconfigurable electromagnetic waveguide | 
| US6876330B2 (en) * | 2002-07-17 | 2005-04-05 | Markland Technologies, Inc. | Reconfigurable antennas | 
| US6710746B1 (en) | 2002-09-30 | 2004-03-23 | Markland Technologies, Inc. | Antenna having reconfigurable length | 
| US11424525B2 (en) | 2020-10-19 | 2022-08-23 | Wi-LAN Research Inc. | Duplexers and related devices for 5G/6G and subsequent protocols and for mm-wave and terahertz applications | 
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2761137A (en) * | 1946-01-05 | 1956-08-28 | Lester C Van Atta | Solid dielectric waveguide with metal plating | 
| GB756381A (en) * | 1953-12-09 | 1956-09-05 | Emi Ltd | Improvements in or relating to slot aerials | 
| US2982960A (en) * | 1958-08-29 | 1961-05-02 | Hughes Aircraft Co | Arbitrarily polarized slot radiator | 
| GB1047471A (enEXAMPLES) * | 1962-05-03 | 1900-01-01 | ||
| US3274601A (en) * | 1962-12-12 | 1966-09-20 | Blass Antenna Electronics Corp | Antenna system with electronic scanning means | 
| US3245008A (en) * | 1963-02-27 | 1966-04-05 | Gen Electric | Gas tube reflective surface ionizable by high energy electromagnetic waves | 
| US3484784A (en) * | 1963-11-05 | 1969-12-16 | Raytheon Co | Antenna array duplexing system | 
| US3317860A (en) * | 1964-04-20 | 1967-05-02 | Robert V Garver | Diode limiter | 
| FR2133169A5 (enEXAMPLES) * | 1971-04-09 | 1972-11-24 | Thomson Csf | |
| US3969729A (en) * | 1975-03-17 | 1976-07-13 | International Telephone And Telegraph Corporation | Network-fed phased array antenna system with intrinsic RF phase shift capability | 
| FR2458153A1 (fr) * | 1979-05-31 | 1980-12-26 | Thomson Csf | Limiteur passif d'ondes electromagnetiques et duplexeur constitue a l'aide d'un tel limiteur | 
- 
        1981
        
- 1981-08-28 FR FR8116467A patent/FR2512281B1/fr not_active Expired
 
 - 
        1982
        
- 1982-08-10 DE DE8282401518T patent/DE3267174D1/de not_active Expired
 - 1982-08-10 EP EP82401518A patent/EP0074295B1/fr not_active Expired
 - 1982-08-10 AT AT82401518T patent/ATE16332T1/de not_active IP Right Cessation
 - 1982-08-26 US US06/411,958 patent/US4574288A/en not_active Expired - Fee Related
 - 1982-08-27 JP JP57149018A patent/JPS5843601A/ja active Granted
 - 1982-08-27 CA CA000410362A patent/CA1202105A/en not_active Expired
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| CA1202105A (en) | 1986-03-18 | 
| EP0074295A1 (fr) | 1983-03-16 | 
| EP0074295B1 (fr) | 1985-10-30 | 
| FR2512281B1 (enEXAMPLES) | 1983-10-28 | 
| US4574288A (en) | 1986-03-04 | 
| FR2512281A1 (enEXAMPLES) | 1983-03-04 | 
| ATE16332T1 (de) | 1985-11-15 | 
| JPH0249561B2 (enEXAMPLES) | 1990-10-30 | 
| JPS5843601A (ja) | 1983-03-14 | 
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Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |