SE320421B - - Google Patents

Info

Publication number: SE320421B
Authority: SE; Sweden

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.)

1961-10-06

1962-10-04Application filed by Patelhold PatentverwertungfiledCriticalPatelhold Patentverwertung

1970-02-09Publication of SE320421BpublicationCriticalpatent/SE320421B/xx

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

SE10646/62A1961-10-061962-10-04SE320421B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1160061ACH391803A (en)	1961-10-06	1961-10-06	Axially backward radiating helical antenna

Publications (1)

Publication Number	Publication Date
SE320421Btrue SE320421B (en)	1970-02-09

Family

ID=4375048

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE10646/62ASE320421B (en)	1961-10-06	1962-10-04

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 (25)

* 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
US4435716A (en)	1981-09-14	1984-03-06	Adrian Zandbergen	Method of making a conical spiral 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, Boulogne, Cedex	Antenna system with spiral antennas
KR100300937B1 (en)	1992-12-30	2001-10-22	똥송 멀티메디아 에스. 에이.	Spiral antenna device
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
WO2013173250A1 (en)	2012-05-13	2013-11-21	Invention Mine Llc	Full duplex wireless transmission with self-interference cancellation
KR20150104614A (en)	2013-01-09	2015-09-15	트라네 앤드 트라네 아/에스	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
US11057204B2 (en)	2017-10-04	2021-07-06	Amir Keyvan Khandani	Methods for encrypted data communications
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

1961
- 1961-10-06CHCH1160061Apatent/CH391803A/enunknown
- 1961-10-27DEDE19611166297Dpatent/DE1166297B/enactivePending
1962
- 1962-09-21USUS225249Apatent/US3184747A/ennot_activeExpired - Lifetime
- 1962-10-04NLNL283937Dpatent/NL283937A/xxunknown
- 1962-10-04SESE10646/62Apatent/SE320421B/xxunknown
- 1962-10-04FRFR42929Apatent/FR1335403A/ennot_activeExpired
- 1962-10-04GBGB37518/62Apatent/GB1012738A/ennot_activeExpired

Also Published As

Publication number	Publication date
US3184747A (en)	1965-05-18
GB1012738A (en)	1965-12-08
DE1166297B (en)	1964-03-26
FR1335403A (en)	1963-08-16
CH391803A (en)	1965-05-15
NL283937A (en)	1965-01-11

Publication	Publication Date	Title
AT224007B (en)	1962-10-25
BE600983A (en)
BE599528A (en)
NL283937A (en)	1965-01-11
BE396226A (en)
BE458606A (en)
BE665291A (en)
BE646943A (en)	1964-08-17
BE626360A (en)
BE626138A (en)
BE625856A (en)
BE625434A (en)
BE625250A (en)
BE624288A (en)
BE624059A (en)
BE622579A (en)
BE622142A (en)
BE620538A (en)
BE618744A (en)
BE618671A (en)
BE617000A (en)
BE605204A (en)
BE602558A (en)
BE602469A (en)
BE602240A (en)

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SE320421B - - Google Patents

Info

Links

Classifications

Applications Claiming Priority (1)

Publications (1)

Family

ID=4375048

Family Applications (1)

Country Status (7)

Families Citing this family (25)

Family Cites Families (5)

Also Published As

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