GB1006219A - Improvements in or relating to antenna systems - Google Patents
Improvements in or relating to antenna systemsInfo
- Publication number
- GB1006219A GB1006219A GB22007/65A GB2200765A GB1006219A GB 1006219 A GB1006219 A GB 1006219A GB 22007/65 A GB22007/65 A GB 22007/65A GB 2200765 A GB2200765 A GB 2200765A GB 1006219 A GB1006219 A GB 1006219A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- antenna systems
- dec
- aerials
- heading
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/02—Details
- H01Q19/021—Means for reducing undesirable effects
- H01Q19/027—Means for reducing undesirable effects for compensating or reducing aperture blockage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/191—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/195—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
Landscapes
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
Abstract
1,006,219. Aerials. WESTERN ELECTRIC CO. Inc. Dec. 7, 1961 [Dec. 27, 1960], No. 22007/65. Divided out of 1,006,218. Drawings to Specification. Heading H4A. The disclosure is included in Specification 1,006,218 but the claims relate to the feed horn construction.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78364A US3195137A (en) | 1960-12-27 | 1960-12-27 | Cassegrainian antenna with aperture blocking correction |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1006219A true GB1006219A (en) | 1965-09-29 |
Family
ID=22143578
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22007/65A Expired GB1006219A (en) | 1960-12-27 | 1961-12-07 | Improvements in or relating to antenna systems |
GB43805/61A Expired GB1006218A (en) | 1960-12-27 | 1961-12-07 | Improvements in or relating to antenna systems |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB43805/61A Expired GB1006218A (en) | 1960-12-27 | 1961-12-07 | Improvements in or relating to antenna systems |
Country Status (4)
Country | Link |
---|---|
US (1) | US3195137A (en) |
DE (2) | DE1257227B (en) |
GB (2) | GB1006219A (en) |
NL (1) | NL272152A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568329A (en) * | 1982-03-08 | 1986-02-04 | Mahurkar Sakharam D | Double lumen catheter |
US4583968A (en) * | 1983-10-03 | 1986-04-22 | Mahurkar Sakharam D | Smooth bore double lumen catheter |
US4623327A (en) * | 1985-02-12 | 1986-11-18 | Mahurkar Sakharam D | Method and apparatus for using dual-lumen catheters for extracorporeal treatment |
US4692141A (en) | 1982-03-08 | 1987-09-08 | Mahurkar Sakharam D | Double lumen catheter |
US4770652A (en) * | 1985-02-12 | 1988-09-13 | Mahurkar Sakharam D | Method and apparatus for using dual-lumen catheters for extracorporeal treatment |
US4808155A (en) | 1986-02-27 | 1989-02-28 | Mahurkar Sakharam D | Simple double lumen catheter |
US5197951A (en) | 1983-12-14 | 1993-03-30 | Mahurkar Sakharam D | Simple double lumen catheter |
US5221255A (en) | 1990-01-10 | 1993-06-22 | Mahurkar Sakharam D | Reinforced multiple lumen catheter |
US5374245A (en) | 1990-01-10 | 1994-12-20 | Mahurkar; Sakharam D. | Reinforced multiple-lumen catheter and apparatus and method for making the same |
US5690642A (en) | 1996-01-18 | 1997-11-25 | Cook Incorporated | Rapid exchange stent delivery balloon catheter |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3271771A (en) * | 1962-02-15 | 1966-09-06 | Hazeltine Research Inc | Double-reflector, double-feed antenna for crossed polarizations and polarization changing devices useful therein |
US3281850A (en) * | 1962-03-07 | 1966-10-25 | Hazeltine Research Inc | Double-feed antennas operating with waves of two frequencies of the same polarization |
FR1419597A (en) * | 1964-03-20 | 1965-12-03 | Thomson Houston Comp Francaise | Ultra-shortwave antenna improvements |
US3340535A (en) * | 1964-06-16 | 1967-09-05 | Textron Inc | Circular polarization cassegrain antenna |
US3510873A (en) * | 1965-10-18 | 1970-05-05 | Comelit Comp Elettro It | Horn-reflector antenna |
FR1477571A (en) * | 1966-02-25 | 1967-04-21 | Csf | Improvements to focusing device antennas |
US3414904A (en) * | 1966-05-16 | 1968-12-03 | Hughes Aircraft Co | Multiple reflector antenna |
US3500419A (en) * | 1966-09-09 | 1970-03-10 | Technical Appliance Corp | Dual frequency,dual polarized cassegrain antenna |
FR1569747A (en) * | 1968-03-12 | 1969-06-06 | ||
US3953858A (en) * | 1975-05-30 | 1976-04-27 | Bell Telephone Laboratories, Incorporated | Multiple beam microwave apparatus |
DE2628713C2 (en) * | 1976-06-25 | 1987-02-05 | Siemens AG, 1000 Berlin und 8000 München | Rotationally symmetric two-mirror antenna |
DE2947987C2 (en) * | 1979-11-28 | 1982-03-04 | Siemens AG, 1000 Berlin und 8000 München | Cassegrain antenna |
US4977407A (en) * | 1981-07-23 | 1990-12-11 | Crane Patrick E | Optical collimator |
US4689632A (en) * | 1985-05-30 | 1987-08-25 | Rca Corporation | Reflector antenna system having reduced blockage effects |
US5003321A (en) * | 1985-09-09 | 1991-03-26 | Sts Enterprises, Inc. | Dual frequency feed |
GB2234858A (en) * | 1988-09-02 | 1991-02-13 | Thorn Emi Electronics Ltd | Cassegrain antenna |
US10879619B2 (en) | 2009-06-04 | 2020-12-29 | Ubiquiti Inc. | Microwave system |
CN113659346B (en) * | 2021-07-30 | 2023-11-21 | 中国航空工业集团公司济南特种结构研究所 | Antenna housing electrical thickness test antenna and use method thereof |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2032588A (en) * | 1931-09-12 | 1936-03-03 | Jr Herman Potts Miller | Communication and detection system |
FR898352A (en) * | 1942-06-24 | 1945-04-20 | Telefunken Gmbh | Improvements to simultaneous or alternative production systems for two directed radiations |
FR911045A (en) * | 1943-09-28 | 1946-06-26 | Color Metal A G | Cylindrical reflectors producing a wedge-shaped light beam |
US2736895A (en) * | 1951-02-16 | 1956-02-28 | Elliott Brothers London Ltd | High frequency radio aerials |
US2741744A (en) * | 1951-05-08 | 1956-04-10 | Driscoll Clare | Microwave apparatus for circular polarization |
US2825032A (en) * | 1953-03-10 | 1958-02-25 | Alford Andrew | Wave guide mode transformer |
US2952017A (en) * | 1956-02-23 | 1960-09-06 | Decca Record Co Ltd | Waveguide type radar apparatus having polarization converter |
DE1075682B (en) * | 1956-09-11 | 1960-02-18 | Fabbnca Italiana Magneti Marelli Mailand (Italien) | Antenna arrangement especially for radio telephone connections between two stations |
US2972743A (en) * | 1957-06-19 | 1961-02-21 | Westinghouse Electric Corp | Combined infrared-radar antenna |
FR1213871A (en) * | 1958-10-31 | 1960-04-05 | Thomson Houston Comp Francaise | Improvements to microwave antennas |
US3089137A (en) * | 1959-07-01 | 1963-05-07 | Bell Telephone Labor Inc | Polarization tracking receiver |
-
0
- NL NL272152D patent/NL272152A/xx unknown
-
1960
- 1960-12-27 US US78364A patent/US3195137A/en not_active Expired - Lifetime
-
1961
- 1961-12-07 GB GB22007/65A patent/GB1006219A/en not_active Expired
- 1961-12-07 GB GB43805/61A patent/GB1006218A/en not_active Expired
- 1961-12-09 DE DEW39552A patent/DE1257227B/en active Pending
- 1961-12-09 DE DEW31245A patent/DE1225716B/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568329A (en) * | 1982-03-08 | 1986-02-04 | Mahurkar Sakharam D | Double lumen catheter |
US4692141A (en) | 1982-03-08 | 1987-09-08 | Mahurkar Sakharam D | Double lumen catheter |
US4583968A (en) * | 1983-10-03 | 1986-04-22 | Mahurkar Sakharam D | Smooth bore double lumen catheter |
US5197951A (en) | 1983-12-14 | 1993-03-30 | Mahurkar Sakharam D | Simple double lumen catheter |
US4623327A (en) * | 1985-02-12 | 1986-11-18 | Mahurkar Sakharam D | Method and apparatus for using dual-lumen catheters for extracorporeal treatment |
US4770652A (en) * | 1985-02-12 | 1988-09-13 | Mahurkar Sakharam D | Method and apparatus for using dual-lumen catheters for extracorporeal treatment |
US4808155A (en) | 1986-02-27 | 1989-02-28 | Mahurkar Sakharam D | Simple double lumen catheter |
US5221255A (en) | 1990-01-10 | 1993-06-22 | Mahurkar Sakharam D | Reinforced multiple lumen catheter |
US5374245A (en) | 1990-01-10 | 1994-12-20 | Mahurkar; Sakharam D. | Reinforced multiple-lumen catheter and apparatus and method for making the same |
US5690642A (en) | 1996-01-18 | 1997-11-25 | Cook Incorporated | Rapid exchange stent delivery balloon catheter |
Also Published As
Publication number | Publication date |
---|---|
GB1006218A (en) | 1965-09-29 |
DE1225716B (en) | 1966-09-29 |
DE1257227B (en) | 1967-12-28 |
NL272152A (en) | |
US3195137A (en) | 1965-07-13 |
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