CH391803A - Axially backward radiating helical antenna - Google Patents

Axially backward radiating helical antenna

Info

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
Application number
CH1160061A
Other languages
German (de)
Inventor
Kaech Alfred
Original Assignee
Patelhold Patentverwertung
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Priority to CH1160061A priority Critical patent/CH391803A/en
Priority to DE19611166297D priority patent/DE1166297B/en
Priority to US225249A priority patent/US3184747A/en
Priority to GB37518/62A priority patent/GB1012738A/en
Priority to FR42929A priority patent/FR1335403A/en
Priority to NL283937D priority patent/NL283937A/xx
Priority to SE10646/62A priority patent/SE320421B/xx
Publication of CH391803A publication Critical patent/CH391803A/en

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
CH1160061A 1961-10-06 1961-10-06 Axially backward radiating helical antenna CH391803A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH1160061A CH391803A (en) 1961-10-06 1961-10-06 Axially backward radiating helical antenna
DE19611166297D DE1166297B (en) 1961-10-06 1961-10-27 Axially radiating helical antenna
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
GB37518/62A GB1012738A (en) 1961-10-06 1962-10-04 Helical aerials
FR42929A FR1335403A (en) 1961-10-06 1962-10-04 Helical antenna radiating axially backwards
NL283937D NL283937A (en) 1961-10-06 1962-10-04
SE10646/62A SE320421B (en) 1961-10-06 1962-10-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1160061A CH391803A (en) 1961-10-06 1961-10-06 Axially backward radiating helical antenna

Publications (1)

Publication Number Publication Date
CH391803A true CH391803A (en) 1965-05-15

Family

ID=4375048

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1160061A CH391803A (en) 1961-10-06 1961-10-06 Axially backward radiating helical antenna

Country Status (7)

Country Link
US (1) US3184747A (en)
CH (1) CH391803A (en)
DE (1) DE1166297B (en)
FR (1) FR1335403A (en)
GB (1) GB1012738A (en)
NL (1) NL283937A (en)
SE (1) SE320421B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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 (en) * 1983-11-19 1986-10-23 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Measuring head and method for recording high-resolution nuclear magnetic resonance signals
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 (en) * 1989-10-31 1992-02-28 Thomson Lgt MULTIFOCAL RECEPTION ANTENNA WITH SINGLE POINT DIRECTION FOR MULTIPLE SATELLITES.
FR2678437B1 (en) * 1991-06-28 1994-01-28 France Telecom MIXED ANTENNA FOR RECEIVING SIGNALS TRANSMITTED SIMULTANEOUSLY BY SATELLITE AND EARTH STATIONS, PARTICULARLY FOR RECEIVING DIGITAL SOUND BROADCASTING SIGNALS.
DE69320313T2 (en) * 1992-12-22 1998-12-24 Thomson Multimedia Sa Antenna system with spiral antennas
CA2139198C (en) * 1993-12-28 1998-08-18 Norihiko Ohmuro Broad conical-mode helical antenna
DE4443055B4 (en) * 1994-12-05 2011-07-21 VEGA Grieshaber KG, 77709 Antenna device for a level-measuring radar device
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
CA2873428A1 (en) 2012-05-13 2013-11-21 Amir Khandani Distributed collaborative signaling in full duplex wireless transceivers
EP2943995A1 (en) * 2013-01-09 2015-11-18 Thrane & Thrane A/s A dual antenna
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 (en) * 2016-09-12 2023-03-24 广东通宇通讯股份有限公司 High-gain broadband element antenna
US10700766B2 (en) 2017-04-19 2020-06-30 Amir Keyvan Khandani Noise cancelling amplify-and-forward (in-band) relay with self-interference cancellation
US11146395B2 (en) 2017-10-04 2021-10-12 Amir Keyvan Khandani Methods for secure authentication
US11012144B2 (en) 2018-01-16 2021-05-18 Amir Keyvan Khandani System and methods for in-band relaying

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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 (en) * 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

Also Published As

Publication number Publication date
US3184747A (en) 1965-05-18
GB1012738A (en) 1965-12-08
NL283937A (en) 1965-01-11
SE320421B (en) 1970-02-09
FR1335403A (en) 1963-08-16
DE1166297B (en) 1964-03-26

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