FR815759A - Perfectionnements aux systèmes d'alimentation d'une antenne - Google Patents

Perfectionnements aux systèmes d'alimentation d'une antenne

Info

Publication number
FR815759A
FR815759A FR815759DA FR815759A FR 815759 A FR815759 A FR 815759A FR 815759D A FR815759D A FR 815759DA FR 815759 A FR815759 A FR 815759A
Authority
FR
France
Prior art keywords
antenna feed
feed systems
systems
antenna
feed
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
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR815759A publication Critical patent/FR815759A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
FR815759D 1936-01-03 1936-12-31 Perfectionnements aux systèmes d'alimentation d'une antenne Expired FR815759A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57343A US2124424A (en) 1936-01-03 1936-01-03 Antenna system

Publications (1)

Publication Number Publication Date
FR815759A true FR815759A (fr) 1937-07-22

Family

ID=22009998

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815759D Expired FR815759A (fr) 1936-01-03 1936-12-31 Perfectionnements aux systèmes d'alimentation d'une antenne

Country Status (4)

Country Link
US (1) US2124424A (fr)
FR (1) FR815759A (fr)
GB (1) GB467012A (fr)
NL (1) NL46868C (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702345A (en) * 1949-08-25 1955-02-15 Walter Ludwig Radiation and interception of electromagnetic waves
US2941204A (en) * 1955-06-16 1960-06-14 Arnold B Bailey Antenna mount
NL181388C (nl) * 1978-03-22 1987-08-03 Philips Nv Antenne-inrichting voor een aantal gelijktijdig werkzame zend-ontvangers.
US4259673A (en) * 1979-06-05 1981-03-31 Harold Guretzky Stub matched antenna and method of feeding same
US4254420A (en) * 1980-01-07 1981-03-03 Peoples John C Whip antenna of reduced length for VHF radio communication
FR2539557B3 (fr) * 1983-01-13 1985-12-20 Lerc Lab Etudes Rech Chim Antenne a large bande
DE3420046A1 (de) * 1984-05-29 1987-01-08 Licentia Gmbh Antennenanzuender fuer elektronische annaeherungs- oder abstandszuender
US4644364A (en) * 1984-12-07 1987-02-17 Parks Malcolm G Method of and means for coupling a two conductor transmission line to an antenna
US5451971A (en) * 1993-07-13 1995-09-19 Motorola, Inc. Combined J-pole and transmission line antenna
US5600339A (en) * 1994-12-06 1997-02-04 Oros; Edward A. Antenna
US7859477B2 (en) * 2007-03-30 2010-12-28 Silver Spring Networks, Inc. J-pole antenna
CN101593870B (zh) * 2008-05-27 2017-04-19 光宝电子(广州)有限公司 金属线天线
US8947313B2 (en) * 2010-11-15 2015-02-03 Edison Fong Radial-free collinear omni-directional antenna with gain and virtual ground
US9608336B1 (en) * 2015-08-25 2017-03-28 Edison Fong Radial-free collinear omni-directional triband half wavelength antenna with virtual ground, single coaxial cable feedpoint, and with minimal interaction of adjustment between bands
US10468743B2 (en) 2016-01-07 2019-11-05 United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice Mast mountable antenna
USD798847S1 (en) 2016-01-07 2017-10-03 The United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice Antenna

Also Published As

Publication number Publication date
US2124424A (en) 1938-07-19
NL46868C (fr)
GB467012A (en) 1937-06-09

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