GB1238200A - - Google Patents
Info
- Publication number
- GB1238200A GB1238200A GB1238200DA GB1238200A GB 1238200 A GB1238200 A GB 1238200A GB 1238200D A GB1238200D A GB 1238200DA GB 1238200 A GB1238200 A GB 1238200A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- slots
- line
- segments
- coupling
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
-
- 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
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
Landscapes
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1692167A CH466383A (de) | 1967-12-01 | 1967-12-01 | Antenne für linear polarisierte Wellen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1238200A true GB1238200A (de) | 1971-07-07 |
Family
ID=4421371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1238200D Expired GB1238200A (de) | 1967-12-01 | 1968-11-29 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3581311A (de) |
AT (1) | AT281923B (de) |
CH (1) | CH466383A (de) |
DE (2) | DE1616300C2 (de) |
FR (1) | FR1597774A (de) |
GB (1) | GB1238200A (de) |
NL (1) | NL6817091A (de) |
SE (1) | SE356640B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0105677A1 (de) * | 1982-09-27 | 1984-04-18 | Kureha Kagaku Kogyo Kabushiki Kaisha | Antennenvorrichtung zur Hyperthermiebehandlung von Hohlorganen |
US5861021A (en) * | 1996-06-17 | 1999-01-19 | Urologix Inc | Microwave thermal therapy of cardiac tissue |
US5938692A (en) * | 1996-03-26 | 1999-08-17 | Urologix, Inc. | Voltage controlled variable tuning antenna |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4197549A (en) * | 1977-08-17 | 1980-04-08 | Harris Corporation | Slot antenna |
DE3049532A1 (de) * | 1980-12-31 | 1982-07-29 | Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt | Selbsttragender primaererreger fuer spiegelantennen |
US4443804A (en) * | 1981-09-28 | 1984-04-17 | Ford Aerospace & Communications Corporation | Modified difference mode coaxial antenna with flared aperture |
EP0244969A3 (de) * | 1986-05-02 | 1989-03-08 | Borg-Warner Chemicals Europe BV | Antenne zum Empfangen von Direkt-Rundfunkübertragungs-Satelliten |
EP0304722B1 (de) * | 1987-08-12 | 1992-10-28 | Siemens Aktiengesellschaft | Richtfunkantenne |
JPH0642610B2 (ja) * | 1988-02-19 | 1994-06-01 | 工業技術院長 | 一次放射器の構造 |
US4907008A (en) * | 1988-04-01 | 1990-03-06 | Andrew Corporation | Antenna for transmitting circularly polarized television signals |
US4872211A (en) * | 1988-08-10 | 1989-10-03 | The United States Of America As Represented By The Secretary Of The Navy | Dual frequency launcher for circularly polarized antenna |
US6819297B2 (en) * | 2002-07-10 | 2004-11-16 | University Of Kansas | Wideband planar antenna |
DE202009012483U1 (de) | 2009-09-14 | 2009-12-31 | Airbus Operations Gmbh | Vorrichtung zur Schichtdickenmessung mittels Mikrowellen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2465245A (en) * | 1945-03-03 | 1949-03-22 | Westinghouse Electric Corp | Terminus for concentric transmission lines |
US2694778A (en) * | 1953-05-29 | 1954-11-16 | Howard J Rowland | Antenna |
GB825532A (en) * | 1955-09-03 | 1959-12-16 | Mini Of Supply | Improvements in or relating to radiating waveguide feeders for radio-frequency electromagnetic waves |
US2954556A (en) * | 1956-10-10 | 1960-09-27 | Andrew Corp | Cross polarized dual feed |
-
1967
- 1967-12-01 CH CH1692167A patent/CH466383A/de unknown
-
1968
- 1968-01-09 DE DE1616300A patent/DE1616300C2/de not_active Expired
- 1968-01-09 DE DE6608680U patent/DE6608680U/de not_active Expired
- 1968-10-21 AT AT1024768A patent/AT281923B/de not_active IP Right Cessation
- 1968-11-29 NL NL6817091A patent/NL6817091A/xx unknown
- 1968-11-29 GB GB1238200D patent/GB1238200A/en not_active Expired
- 1968-11-29 FR FR1597774D patent/FR1597774A/fr not_active Expired
- 1968-11-29 US US780052A patent/US3581311A/en not_active Expired - Lifetime
- 1968-11-29 SE SE16330/68A patent/SE356640B/xx unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0105677A1 (de) * | 1982-09-27 | 1984-04-18 | Kureha Kagaku Kogyo Kabushiki Kaisha | Antennenvorrichtung zur Hyperthermiebehandlung von Hohlorganen |
US5938692A (en) * | 1996-03-26 | 1999-08-17 | Urologix, Inc. | Voltage controlled variable tuning antenna |
US6032078A (en) * | 1996-03-26 | 2000-02-29 | Urologix, Inc. | Voltage controlled variable tuning antenna |
US5861021A (en) * | 1996-06-17 | 1999-01-19 | Urologix Inc | Microwave thermal therapy of cardiac tissue |
Also Published As
Publication number | Publication date |
---|---|
AT281923B (de) | 1970-06-10 |
FR1597774A (de) | 1970-06-29 |
US3581311A (en) | 1971-05-25 |
SE356640B (de) | 1973-05-28 |
NL6817091A (de) | 1969-06-03 |
CH466383A (de) | 1968-12-15 |
DE1616300A1 (de) | 1971-04-01 |
DE1616300C2 (de) | 1984-02-02 |
DE6608680U (de) | 1971-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |