US3503074A - Log-periodic antenna array having closely spaced linear elements - Google Patents

Log-periodic antenna array having closely spaced linear elements Download PDF

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Publication number
US3503074A
US3503074A US784535A US3503074DA US3503074A US 3503074 A US3503074 A US 3503074A US 784535 A US784535 A US 784535A US 3503074D A US3503074D A US 3503074DA US 3503074 A US3503074 A US 3503074A
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US
United States
Prior art keywords
elements
antenna
dipole
log
closely spaced
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 - Lifetime
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US784535A
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English (en)
Inventor
Duncan L Carter
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DUNCAN L CARTER
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DUNCAN L CARTER
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Publication date
Application filed by DUNCAN L CARTER filed Critical DUNCAN L CARTER
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Publication of US3503074A publication Critical patent/US3503074A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/10Logperiodic antennas
US784535A 1968-12-05 1968-12-05 Log-periodic antenna array having closely spaced linear elements Expired - Lifetime US3503074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78453568A 1968-12-05 1968-12-05

Publications (1)

Publication Number Publication Date
US3503074A true US3503074A (en) 1970-03-24

Family

ID=25132732

Family Applications (1)

Application Number Title Priority Date Filing Date
US784535A Expired - Lifetime US3503074A (en) 1968-12-05 1968-12-05 Log-periodic antenna array having closely spaced linear elements

Country Status (7)

Country Link
US (1) US3503074A (de)
JP (1) JPS4834338B1 (de)
BE (1) BE742744A (de)
DE (1) DE1960773A1 (de)
FR (1) FR2025468A1 (de)
GB (1) GB1291275A (de)
NL (1) NL6918123A (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633207A (en) * 1969-01-21 1972-01-04 Univ Illinois Foundation Urban Modulated impedance feeding system for log-periodic antennas
US3808599A (en) * 1972-11-29 1974-04-30 Cincinnati Electronics Corp Periodic antenna adapted for handling high power
JPS4991745A (de) * 1972-12-31 1974-09-02
US4293861A (en) * 1980-01-08 1981-10-06 Winegard Company Compact television antenna system
US4308540A (en) * 1980-01-08 1981-12-29 Winegard Company Compact television antenna system
WO1982002119A1 (en) * 1980-12-04 1982-06-24 Walfried Sommer Directional antenna with a plurality of elements
EP0177630A1 (de) * 1983-08-10 1986-04-16 Kathrein-Werke Kg Antennen-Kombination
US4635069A (en) * 1984-04-02 1987-01-06 Irt, Inc. Mutual-coupling multi-element FM antenna
US6154180A (en) * 1998-09-03 2000-11-28 Padrick; David E. Multiband antennas
US7145517B1 (en) * 2005-06-28 2006-12-05 Arcadyan Technology Corporation Asymmetric flat dipole antenna
US20070262912A1 (en) * 2006-03-31 2007-11-15 Eckwielen Bradley L Modular digital UHF/VHF antenna
US7626557B2 (en) 2006-03-31 2009-12-01 Bradley L. Eckwielen Digital UHF/VHF antenna

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5396320U (de) * 1977-01-06 1978-08-05

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE34357C (de) * WAGGON-FABRIK LUDWIGSHAFEN in Ludwigshafen a. Rh., Bayern, und H. UHRY in Strafsburg, Elsafs Bewegliche Endachsen für dreiachsige Eisenbahnfahrzeuge
US2192532A (en) * 1936-02-03 1940-03-05 Rca Corp Directive antenna
US2433804A (en) * 1943-04-23 1947-12-30 Rca Corp Frequency-modulated pulse radio locating system
US3389396A (en) * 1965-07-14 1968-06-18 Dorne And Margolin Inc Log periodic type antenna for operating at less than a half wavelength mode
US3392399A (en) * 1965-09-17 1968-07-09 Winegard Co Combined vhf-uhf television antenna with serpentine director
US3396398A (en) * 1964-08-25 1968-08-06 Antenna Res Associates Inc Small unidirectional antenna array employing spaced electrically isolated antenna elements

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE34357C (de) * WAGGON-FABRIK LUDWIGSHAFEN in Ludwigshafen a. Rh., Bayern, und H. UHRY in Strafsburg, Elsafs Bewegliche Endachsen für dreiachsige Eisenbahnfahrzeuge
US2192532A (en) * 1936-02-03 1940-03-05 Rca Corp Directive antenna
US2433804A (en) * 1943-04-23 1947-12-30 Rca Corp Frequency-modulated pulse radio locating system
US3396398A (en) * 1964-08-25 1968-08-06 Antenna Res Associates Inc Small unidirectional antenna array employing spaced electrically isolated antenna elements
US3389396A (en) * 1965-07-14 1968-06-18 Dorne And Margolin Inc Log periodic type antenna for operating at less than a half wavelength mode
US3392399A (en) * 1965-09-17 1968-07-09 Winegard Co Combined vhf-uhf television antenna with serpentine director

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633207A (en) * 1969-01-21 1972-01-04 Univ Illinois Foundation Urban Modulated impedance feeding system for log-periodic antennas
US3808599A (en) * 1972-11-29 1974-04-30 Cincinnati Electronics Corp Periodic antenna adapted for handling high power
JPS4991745A (de) * 1972-12-31 1974-09-02
JPS5441190B2 (de) * 1972-12-31 1979-12-07
US4293861A (en) * 1980-01-08 1981-10-06 Winegard Company Compact television antenna system
US4308540A (en) * 1980-01-08 1981-12-29 Winegard Company Compact television antenna system
WO1982002119A1 (en) * 1980-12-04 1982-06-24 Walfried Sommer Directional antenna with a plurality of elements
EP0177630A1 (de) * 1983-08-10 1986-04-16 Kathrein-Werke Kg Antennen-Kombination
US4635069A (en) * 1984-04-02 1987-01-06 Irt, Inc. Mutual-coupling multi-element FM antenna
US6154180A (en) * 1998-09-03 2000-11-28 Padrick; David E. Multiband antennas
US7145517B1 (en) * 2005-06-28 2006-12-05 Arcadyan Technology Corporation Asymmetric flat dipole antenna
US20070262912A1 (en) * 2006-03-31 2007-11-15 Eckwielen Bradley L Modular digital UHF/VHF antenna
US20080309573A9 (en) * 2006-03-31 2008-12-18 Eckwielen Bradley L Modular digital UHF/VHF antenna
US7626557B2 (en) 2006-03-31 2009-12-01 Bradley L. Eckwielen Digital UHF/VHF antenna
US7911406B2 (en) 2006-03-31 2011-03-22 Bradley Lee Eckwielen Modular digital UHF/VHF antenna

Also Published As

Publication number Publication date
NL6918123A (de) 1970-06-09
BE742744A (de) 1970-05-14
GB1291275A (en) 1972-10-04
FR2025468A1 (de) 1970-09-11
DE1960773A1 (de) 1970-07-16
JPS4834338B1 (de) 1973-10-20

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