CH391803A - Axial rückwärtsstrahlende Wendelantenne - Google Patents
Axial rückwärtsstrahlende WendelantenneInfo
- Publication number
- CH391803A CH391803A CH1160061A CH1160061A CH391803A CH 391803 A CH391803 A CH 391803A CH 1160061 A CH1160061 A CH 1160061A CH 1160061 A CH1160061 A CH 1160061A CH 391803 A CH391803 A CH 391803A
- Authority
- CH
- Switzerland
- Prior art keywords
- helical antenna
- axially backward
- radiating helical
- backward radiating
- axially
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical antennas
-
- 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
- H01Q19/15—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 line source, e.g. leaky waveguide antennas
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1160061A CH391803A (de) | 1961-10-06 | 1961-10-06 | Axial rückwärtsstrahlende Wendelantenne |
DE19611166297D DE1166297B (de) | 1961-10-06 | 1961-10-27 | Axial strahlende Wendelantenne |
US225249A US3184747A (en) | 1961-10-06 | 1962-09-21 | Coaxial fed helical antenna with director disk between feed and helix producing endfire radiation towards the disk |
SE10646/62A SE320421B (de) | 1961-10-06 | 1962-10-04 | |
GB37518/62A GB1012738A (en) | 1961-10-06 | 1962-10-04 | Helical aerials |
FR42929A FR1335403A (fr) | 1961-10-06 | 1962-10-04 | Antenne hélicoïdale rayonnant axialement vers l'arrière |
NL283937D NL283937A (de) | 1961-10-06 | 1962-10-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1160061A CH391803A (de) | 1961-10-06 | 1961-10-06 | Axial rückwärtsstrahlende Wendelantenne |
Publications (1)
Publication Number | Publication Date |
---|---|
CH391803A true CH391803A (de) | 1965-05-15 |
Family
ID=4375048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1160061A CH391803A (de) | 1961-10-06 | 1961-10-06 | Axial rückwärtsstrahlende Wendelantenne |
Country Status (7)
Country | Link |
---|---|
US (1) | US3184747A (de) |
CH (1) | CH391803A (de) |
DE (1) | DE1166297B (de) |
FR (1) | FR1335403A (de) |
GB (1) | GB1012738A (de) |
NL (1) | NL283937A (de) |
SE (1) | SE320421B (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3568205A (en) * | 1968-02-12 | 1971-03-02 | Goodyear Aerospace Corp | Novel helical antenna |
US3623118A (en) * | 1969-07-01 | 1971-11-23 | Raytheon Co | Waveguide-fed helical antenna |
DE3343625C2 (de) * | 1983-11-19 | 1986-10-23 | Bruker Medizintechnik Gmbh, 7512 Rheinstetten | Meßkopf und Verfahren zur Aufnahme hochaufgelöster Kernspinresonanzsignale |
CA1257694A (en) * | 1985-08-05 | 1989-07-18 | Hisamatsu Nakano | Antenna system |
US5212493A (en) * | 1989-02-17 | 1993-05-18 | Thomson-Lgt Laboratoire General Des Telecomm. | Antenna system for reception from direct broadcasting satellites |
FR2653941B1 (fr) * | 1989-10-31 | 1992-02-28 | Thomson Lgt | Antenne de reception multifocale a direction de pointage unique pour plusieurs satellites. |
FR2678437B1 (fr) * | 1991-06-28 | 1994-01-28 | France Telecom | Antenne mixte pour reception de signaux emis simultanement par satellite et par stations terrestres, notamment pour la reception de signaux de radiodiffusion sonore numerique. |
ES2121913T3 (es) * | 1992-12-22 | 1998-12-16 | Thomson Multimedia Sa | Sistema de antena con alimentadores helicoidales. |
CA2139198C (en) * | 1993-12-28 | 1998-08-18 | Norihiko Ohmuro | Broad conical-mode helical antenna |
DE4443055B4 (de) * | 1994-12-05 | 2011-07-21 | VEGA Grieshaber KG, 77709 | Antenneneinrichtung für ein Füllstandmeß-Radargerät |
US6791500B2 (en) * | 2002-12-12 | 2004-09-14 | Research In Motion Limited | Antenna with near-field radiation control |
US7388559B1 (en) * | 2006-12-21 | 2008-06-17 | The Boeing Company | Reflector antenna |
US9008208B2 (en) | 2012-05-13 | 2015-04-14 | Amir Keyvan Khandani | Wireless transmission with channel state perturbation |
EP2943995A1 (de) * | 2013-01-09 | 2015-11-18 | Thrane & Thrane A/s | Doppelantenne |
US10177896B2 (en) | 2013-05-13 | 2019-01-08 | Amir Keyvan Khandani | Methods for training of full-duplex wireless systems |
US9236996B2 (en) | 2013-11-30 | 2016-01-12 | Amir Keyvan Khandani | Wireless full-duplex system and method using sideband test signals |
US9820311B2 (en) | 2014-01-30 | 2017-11-14 | Amir Keyvan Khandani | Adapter and associated method for full-duplex wireless communication |
US10312595B2 (en) | 2016-01-18 | 2019-06-04 | The Johns Hopkins University | Contrawound helical antenna apparatus and method |
US10333593B2 (en) * | 2016-05-02 | 2019-06-25 | Amir Keyvan Khandani | Systems and methods of antenna design for full-duplex line of sight transmission |
CN106252851B (zh) * | 2016-09-12 | 2023-03-24 | 广东通宇通讯股份有限公司 | 一种高增益宽频带振子天线 |
US10700766B2 (en) | 2017-04-19 | 2020-06-30 | Amir Keyvan Khandani | Noise cancelling amplify-and-forward (in-band) relay with self-interference cancellation |
US11212089B2 (en) | 2017-10-04 | 2021-12-28 | Amir Keyvan Khandani | Methods for secure data storage |
US11012144B2 (en) | 2018-01-16 | 2021-05-18 | Amir Keyvan Khandani | System and methods for in-band relaying |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA562302A (en) * | 1958-08-26 | Canadian Marconi Company | Helically fed direction or aerial system | |
GB741897A (en) * | 1953-06-17 | 1955-12-14 | Marconi Wireless Telegraph Co | Improvements in or relating to directional aerial systems |
BE538147A (de) * | 1954-05-28 | |||
US2919442A (en) * | 1955-12-09 | 1959-12-29 | American Electronics | Antenna |
US2982964A (en) * | 1957-03-26 | 1961-05-02 | Internat Telephone & Telegraph | Adjustable tuning device and antenna using same |
-
1961
- 1961-10-06 CH CH1160061A patent/CH391803A/de unknown
- 1961-10-27 DE DE19611166297D patent/DE1166297B/de active Pending
-
1962
- 1962-09-21 US US225249A patent/US3184747A/en not_active Expired - Lifetime
- 1962-10-04 GB GB37518/62A patent/GB1012738A/en not_active Expired
- 1962-10-04 NL NL283937D patent/NL283937A/xx unknown
- 1962-10-04 FR FR42929A patent/FR1335403A/fr not_active Expired
- 1962-10-04 SE SE10646/62A patent/SE320421B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1166297B (de) | 1964-03-26 |
NL283937A (de) | 1965-01-11 |
SE320421B (de) | 1970-02-09 |
FR1335403A (fr) | 1963-08-16 |
US3184747A (en) | 1965-05-18 |
GB1012738A (en) | 1965-12-08 |
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