GB1219543A - Antenna system - Google Patents
Antenna systemInfo
- Publication number
- GB1219543A GB1219543A GB5040/69A GB504069A GB1219543A GB 1219543 A GB1219543 A GB 1219543A GB 5040/69 A GB5040/69 A GB 5040/69A GB 504069 A GB504069 A GB 504069A GB 1219543 A GB1219543 A GB 1219543A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aerial
- elements
- horizontal
- active
- circuit
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/28—Impedance matching networks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
1,219,543. Aerials. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 29 Jan., 1969 [31 Jan., 1968; 15 Feb., 1968 (3); 18 Nov., 1968 (3)], No. 5040/69. Heading H4A. An aerial system has at least two elements, which respond to vertically and horizontally polarized waves respectively, and an active solid state circuitry, which has functions of impedance transformation or amplification or both, and which is located either at the junction of the elements, or half way along one of them. As described, an aerial system comprises vertical and horizontal elements 13, 14, Fig. 4, above a ground plane 11, and an active solid state circuit 16 including, for example, one or more transistors, connected at the junction of the said elements. One terminal of the circuit 16 is earthed, and the far end of the horizontal element 14 may be earthed through an impedance 15 to increase the operating bandwidth. The lower end, or driving point, 12, of the element 13 is connected to one terminal of a load 18 (e.g. a receiver) the other terminal of which is earthed. The active circuit enables matching to be improved and the directivity of the aerial system to be controlled. In other embodiments, the straight horizontal element may be replaced by a helical element, which may have a ferrite core (Figs. 6, 7, not shown). The active circuit may be located midway along an aerial element, instead of at a junction of aerial elements. An embodiment is described in which a single horizontal aerial element (14), Fig. 14 (not shown), has active circuits (16), (28) at each end, which are con. nected also to respective vertical aerial elements (13), (27). Various means of feeding an active circuit comprising a transistor are described using either two conductors forming a two-wire transmission line (Fig. 8, not shown), with which may be associated a third conductor (Fig. 9, not shown), or a coaxial cable (Figs. 10, 15, not shown, or Fig. 11). Thus, a transistor 16, Fig. 11, has bias resistors 25, 25<SP>1</SP> and a D.C. load 21, and its base is connected to a horizontal aerial element 14. The outer sheath of a coaxial cable 26 functions as a vertical aerial element and D.C. power is fed to the transistor 16 via its centre conductor and an intermediate sheath. A load 24 is connected to the lower end of the outer sheath of the cable 26.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP632168 | 1968-01-31 | ||
JP1001268A JPS4814864B1 (en) | 1968-02-15 | 1968-02-15 | |
JP1001168 | 1968-02-15 | ||
JP1001368A JPS4817780B1 (en) | 1968-02-15 | 1968-02-15 | |
JP10123568 | 1968-11-18 | ||
JP10123668 | 1968-11-18 | ||
JP8508568A JPS4844391B1 (en) | 1968-11-18 | 1968-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1219543A true GB1219543A (en) | 1971-01-20 |
Family
ID=27563352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5040/69A Expired GB1219543A (en) | 1968-01-31 | 1969-01-29 | Antenna system |
Country Status (3)
Country | Link |
---|---|
US (1) | US3622890A (en) |
FR (1) | FR2001009A1 (en) |
GB (1) | GB1219543A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3419344A1 (en) * | 1984-05-24 | 1985-11-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Antenna arrangement |
EP2124293A1 (en) * | 2008-05-21 | 2009-11-25 | Samsung Electronics Co., Ltd. | Active magnetic antenna with ferrite core |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2552271B1 (en) * | 1983-09-16 | 1986-03-28 | Sicart | DEVICE FOR FIXING AN ACTIVE ANTENNA ON A VEHICLE |
US4626862A (en) * | 1984-08-08 | 1986-12-02 | John Ma | Antenna having coaxial driven element with grounded center conductor |
JPH0250604A (en) * | 1988-08-12 | 1990-02-20 | Michiko Naito | Active antenna |
DE3907493A1 (en) * | 1989-03-08 | 1990-09-20 | Lindenmeier Heinz | DISC ANTENNA WITH ANTENNA AMPLIFIER |
US5019830A (en) * | 1989-03-13 | 1991-05-28 | Harada Kogyo Kabushiki Kaisha | Amplified FM antenna with parallel radiator and ground plane |
DE3927665A1 (en) * | 1989-08-22 | 1991-02-28 | Telefunken Systemtechnik | FOOT-FEED ROD ANTENNA |
US5089829A (en) * | 1989-12-22 | 1992-02-18 | Yokowo Mfg. Co., Ltd | Antenna device shared by three kinds of waves |
US5315309A (en) * | 1991-09-06 | 1994-05-24 | Mcdonnell Douglas Helicopter Company | Dual polarization antenna |
JP4012733B2 (en) * | 1999-09-20 | 2007-11-21 | フラクトゥス・ソシエダッド・アノニマ | Multi-level antenna |
ES2205898T3 (en) | 1999-10-26 | 2004-05-01 | Fractus, S.A. | MULTIBAND CLUSTERS OF INTERRELATED ANTENNAS. |
MXPA02007113A (en) | 2000-01-19 | 2003-03-27 | Fractus Sa | Space filling miniature antennas. |
CN1434988A (en) * | 2000-01-19 | 2003-08-06 | 弗拉克托斯股份有限公司 | Fractal and space-filling transmission lines, resonators filters and passive network elements |
JP3629176B2 (en) * | 2000-02-09 | 2005-03-16 | 株式会社東芝 | Portable wireless terminal |
US6329951B1 (en) * | 2000-04-05 | 2001-12-11 | Research In Motion Limited | Electrically connected multi-feed antenna system |
ATE378700T1 (en) * | 2000-04-19 | 2007-11-15 | Advanced Automotive Antennas S | ADVANCED MULTI-PLANE ANTENNA FOR MOTOR VEHICLES |
US7511675B2 (en) | 2000-10-26 | 2009-03-31 | Advanced Automotive Antennas, S.L. | Antenna system for a motor vehicle |
JP2002185238A (en) * | 2000-12-11 | 2002-06-28 | Sony Corp | Built-in antenna device corresponding to dual band, and portable wireless terminal equipped therewith |
EP1358696A1 (en) | 2001-02-07 | 2003-11-05 | Fractus, S.A. | Miniature broadband ring-like microstrip patch antenna |
CA2381043C (en) * | 2001-04-12 | 2005-08-23 | Research In Motion Limited | Multiple-element antenna |
CN1507673A (en) | 2001-04-16 | 2004-06-23 | �����ɷ� | Dual-band dual-polarized antenna array |
EP1444751B1 (en) | 2001-10-16 | 2007-06-13 | Fractus, S.A. | Loaded antenna |
WO2003034545A1 (en) | 2001-10-16 | 2003-04-24 | Fractus, S.A. | Multifrequency microstrip patch antenna with parasitic coupled elements |
WO2003034544A1 (en) | 2001-10-16 | 2003-04-24 | Fractus, S.A. | Multiband antenna |
US9755314B2 (en) | 2001-10-16 | 2017-09-05 | Fractus S.A. | Loaded antenna |
ES2190749B1 (en) | 2001-11-30 | 2004-06-16 | Fractus, S.A | "CHAFF" MULTINIVEL AND / OR "SPACE-FILLING" DISPERSORS, AGAINST RADAR. |
CA2489837C (en) * | 2002-06-21 | 2008-09-09 | Research In Motion Limited | Multiple-element antenna with parasitic coupler |
US6791500B2 (en) * | 2002-12-12 | 2004-09-14 | Research In Motion Limited | Antenna with near-field radiation control |
US6812897B2 (en) | 2002-12-17 | 2004-11-02 | Research In Motion Limited | Dual mode antenna system for radio transceiver |
US6856287B2 (en) * | 2003-04-17 | 2005-02-15 | The Mitre Corporation | Triple band GPS trap-loaded inverted L antenna array |
ATE375012T1 (en) | 2003-05-14 | 2007-10-15 | Research In Motion Ltd | MULTI-BAND ANTENNA WITH STRIP AND SLOT STRUCTURES |
DE60319965T2 (en) * | 2003-06-12 | 2009-04-30 | Research In Motion Ltd., Waterloo | Multi-element antenna with parasitic antenna element |
CA2435900C (en) * | 2003-07-24 | 2008-10-21 | Research In Motion Limited | Floating conductor pad for antenna performance stabilization and noise reduction |
US7369089B2 (en) * | 2004-05-13 | 2008-05-06 | Research In Motion Limited | Antenna with multiple-band patch and slot structures |
US7385555B2 (en) * | 2004-11-12 | 2008-06-10 | The Mitre Corporation | System for co-planar dual-band micro-strip patch antenna |
US8738103B2 (en) | 2006-07-18 | 2014-05-27 | Fractus, S.A. | Multiple-body-configuration multimedia and smartphone multifunction wireless devices |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3386033A (en) * | 1965-02-11 | 1968-05-28 | Univ Ohio State Res Found | Amplifier using antenna as a circuit element |
US3343089A (en) * | 1965-10-04 | 1967-09-19 | Motorola Inc | Quarter wave low profile antenna tuned to half wave resonance by stub; also including a transistor driving stage |
US3426352A (en) * | 1966-08-26 | 1969-02-04 | Collins Radio Co | Capacitively tuned reflector antenna |
US3521169A (en) * | 1967-07-17 | 1970-07-21 | Edwin M Turner | Subminiature integrated antenna |
US3496566A (en) * | 1968-11-12 | 1970-02-17 | Univ Ohio State Res Found | Integrated dipole antenna-amplifier |
-
1969
- 1969-01-24 US US793709*A patent/US3622890A/en not_active Expired - Lifetime
- 1969-01-28 FR FR6901633A patent/FR2001009A1/en active Granted
- 1969-01-29 GB GB5040/69A patent/GB1219543A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3419344A1 (en) * | 1984-05-24 | 1985-11-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Antenna arrangement |
EP2124293A1 (en) * | 2008-05-21 | 2009-11-25 | Samsung Electronics Co., Ltd. | Active magnetic antenna with ferrite core |
US8054235B2 (en) | 2008-05-21 | 2011-11-08 | Samsung Electronics Co., Ltd | Active magnetic antenna with ferrite core |
Also Published As
Publication number | Publication date |
---|---|
FR2001009B1 (en) | 1974-03-15 |
DE1904138B2 (en) | 1972-10-05 |
FR2001009A1 (en) | 1969-09-19 |
US3622890A (en) | 1971-11-23 |
DE1904138A1 (en) | 1969-08-28 |
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