US3503074A - Log-periodic antenna array having closely spaced linear elements - Google Patents
Log-periodic antenna array having closely spaced linear elements Download PDFInfo
- 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
- Authority
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- 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
- H01Q11/10—Logperiodic antennas
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5396320U (de) * | 1977-01-06 | 1978-08-05 |
Citations (6)
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 |
-
1968
- 1968-12-05 US US784535A patent/US3503074A/en not_active Expired - Lifetime
-
1969
- 1969-12-03 DE DE19691960773 patent/DE1960773A1/de active Pending
- 1969-12-03 NL NL6918123A patent/NL6918123A/xx unknown
- 1969-12-05 JP JP44097751A patent/JPS4834338B1/ja active Pending
- 1969-12-05 FR FR6942245A patent/FR2025468A1/fr not_active Withdrawn
- 1969-12-05 GB GB59491/69A patent/GB1291275A/en not_active Expired
- 1969-12-05 BE BE742744D patent/BE742744A/xx unknown
Patent Citations (6)
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)
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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