EP0505673B1 - Stabförmiger Mehrbereichsstrahler - Google Patents

Stabförmiger Mehrbereichsstrahler Download PDF

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Publication number
EP0505673B1
EP0505673B1 EP92100327A EP92100327A EP0505673B1 EP 0505673 B1 EP0505673 B1 EP 0505673B1 EP 92100327 A EP92100327 A EP 92100327A EP 92100327 A EP92100327 A EP 92100327A EP 0505673 B1 EP0505673 B1 EP 0505673B1
Authority
EP
European Patent Office
Prior art keywords
coil
wire
rod
multiband antenna
antenna according
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
Application number
EP92100327A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0505673A1 (de
Inventor
Horst Dörrie
Uwe Militz
Heinrich Dipl.-Ing. Wilken
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0505673A1 publication Critical patent/EP0505673A1/de
Application granted granted Critical
Publication of EP0505673B1 publication Critical patent/EP0505673B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements

Definitions

  • the invention is based on a rod-shaped multi-area radiator according to the preamble of claim 1.
  • Such a multi-range radiator is known (US-A-4 145 693) which is suitable for three different frequency bands within 3 to 30 MHz.
  • the frequency bands must be in a ratio of 1: 2: 4, starting from the lowest frequency band.
  • Average operating frequencies of 3.5 MHz, 7 MHz and 14 MHz are mentioned as an example.
  • document US-A-4 675 687 discloses a multi-range rod-shaped radiator which operates in the AM, FM and telephone (i.e. around 835 MHz) frequency ranges.
  • the invention has for its object to develop the known multi-range radiator such that it is broadband and can be used for four different frequency bands, namely preferably for a first, highest frequency band of, for example, 825 to 960 MHz (AMPS network or D network the German Bundespost), for a second, second highest frequency band of, for example, 450 to 470 MHz (C network of the Deutsche Bundespost), for a third, second lowest frequency band of, for example, 75 to 115 MHz (FM radio range) and a fourth, lowest Frequency band from, for example, 150 kHz to about 6 MHz (AM radio range).
  • AMPS network or D network the German Bundespost for a second, second highest frequency band of, for example, 450 to 470 MHz
  • C network of the Deutsche Bundespost for a third, second lowest frequency band of, for example, 75 to 115 MHz (FM radio range)
  • FM radio range for example, 75 to 115 MHz
  • AM radio range a fourth, lowest Frequency band from, for example, 150 kHz
  • the multi-range radiator according to the invention has the advantage that a broadband multi-range antenna for four frequency ranges can be realized with little technical effort. Without the use of a discrete capacitor, the first coil forms a parallel resonance circuit which de-energizes part of the radiator and thus causes different frequency bands to be separated.
  • the rod-shaped multi-range radiator according to the invention is particularly suitable as a vehicle antenna to which a car radio for the AM and FM range and a radio telephone which can be switched over to two different systems are connected.
  • the figure shows a view of a rod-shaped multi-area radiator 10 with an insulating rod 11, which, seen from the base point 12 or from a reference plane 13 lying at ground potential, a first, straight wire section 14, a first coil 15 connected to it, a second one connected to it Wire section 16, a second coil 17 connected thereto and an adjoining third, straight wire section 18 carries.
  • the straight wire sections 14, 16, 18 lie on a common axis parallel to the longitudinal symmetry axis of the insulating material rod 11 on the outside of the rod.
  • the wire sections 14, 16, 18 and the coils 15, 17 preferably consist of a single piece of wire 20 which is fastened, for example by an adhesive connection, to the insulating rod 11.
  • the complete piece of wire 20 can preferably be prefabricated, dipped in an adhesive and placed on the insulating rod. After the adhesive has hardened, the wire piece 20 is firmly seated on the insulating rod, which is preferably a glass fiber rod.
  • the piece of wire 20 is dimensioned as follows, for example.
  • the length l1 of the first, straight wire section 14 is ⁇ 1 4th , where ⁇ 1 is the average operating wavelength of the highest frequency band, for example 825 to 960 MHz.
  • the first coil 15 is dimensioned such that its inductive and capacitive component forms a parallel circuit or a blocking circuit which is tuned to the average operating wavelength ⁇ 1.
  • the second coil 17 is used for phase rotation. At the average operating wavelength ⁇ 2, it produces a phase shift of, for example, 135 °.
  • the second coil 17 has a plurality of turns wound at a distance.
  • the piece of wire preferably consists of enamelled copper wire.
  • the rod-shaped multi-area radiator 10 shown in the figure is surrounded by an insulating material layer which has been omitted in the figure for the sake of clarity, for example an insulating material shrink tube or a thin insulating material layer produced by dipping.
  • an insulating material layer which has been omitted in the figure for the sake of clarity, for example an insulating material shrink tube or a thin insulating material layer produced by dipping.
  • the first wire section 14 forms one ⁇ 1 4th Emitter for the highest frequency band.
  • the ⁇ 3 4th -Active effect that is tuned to the FM range and has satisfactory properties even in the lowest frequency band, for example the AM frequency band.

Landscapes

  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP92100327A 1991-03-23 1992-01-10 Stabförmiger Mehrbereichsstrahler Expired - Lifetime EP0505673B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4109630A DE4109630A1 (de) 1991-03-23 1991-03-23 Stabfoermiger mehrbereichsstrahler
DE4109630 1991-03-23

Publications (2)

Publication Number Publication Date
EP0505673A1 EP0505673A1 (de) 1992-09-30
EP0505673B1 true EP0505673B1 (de) 1995-10-04

Family

ID=6428073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92100327A Expired - Lifetime EP0505673B1 (de) 1991-03-23 1992-01-10 Stabförmiger Mehrbereichsstrahler

Country Status (8)

Country Link
US (1) US5258765A (cs)
EP (1) EP0505673B1 (cs)
JP (1) JP3188509B2 (cs)
CZ (1) CZ281157B6 (cs)
DE (2) DE4109630A1 (cs)
DK (1) DK0505673T3 (cs)
ES (1) ES2079084T3 (cs)
HU (1) HU210506B (cs)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396365B1 (en) 1963-07-16 2002-05-28 R.A. Miller Industries, Inc. Multiplexer for cellular telephone
US6297711B1 (en) 1992-08-07 2001-10-02 R. A. Miller Industries, Inc. Radio frequency multiplexer for coupling antennas to AM/FM/WB, CB/WB, and cellular telephone apparatus
US5734352A (en) * 1992-08-07 1998-03-31 R. A. Miller Industries, Inc. Multiband antenna system
US6384696B1 (en) 1992-08-07 2002-05-07 R.A. Miller Industries, Inc. Multiplexer for sorting multiple signals from an antenna
WO1994017565A1 (en) * 1993-01-29 1994-08-04 Motorola Inc. Antenna assembly for radio circuit and method therefor
US5771217A (en) * 1993-05-27 1998-06-23 Copal Company Limited Magneto-optical disk apparatus having a ejector arm and magnetic field generating means mounted on a stationary base
DE4336633A1 (de) * 1993-10-27 1995-05-04 Rr Elektronische Geraete Gmbh Koaxialantenne
US6411260B1 (en) * 1994-08-18 2002-06-25 Alliedsignal Inc. Triple frequency, split monopole, emergency locator transmitter antenna
GB2321342A (en) * 1997-01-16 1998-07-22 Andrew Jesman Cellular telephone antenna
US5945964A (en) * 1997-02-19 1999-08-31 Motorola, Inc. Multi-band antenna structure for a portable radio
US5808586A (en) * 1997-02-19 1998-09-15 Motorola, Inc. Side-by-side coil-fed antenna for a portable radio
US5923298A (en) * 1997-04-30 1999-07-13 Ford Motor Company Multiband reception antenna for terrestrial digital audio broadcast bands
FR2764123B1 (fr) * 1997-05-30 1999-07-30 Tramec Antenne rigide et procede de fabrication correspondant
GB2328084A (en) * 1997-07-31 1999-02-10 Whitaker Corp Multiple coil wide band antenna
US6191747B1 (en) * 1998-04-07 2001-02-20 Hirschmann Electronics, Inc. Dual band antenna
WO2001022528A1 (es) 1999-09-20 2001-03-29 Fractus, S.A. Antenas multinivel
US6680706B2 (en) 2002-01-04 2004-01-20 Honda Giken Kogyo Kabushiki Kaisha Telematic antenna vortex generator
GB2400497B (en) * 2003-04-07 2007-03-21 Harada Ind Multi-band antenna and connectable communication circuitry,for vehicular application
AT504799B1 (de) * 2006-12-21 2008-08-15 Johannes Kepler Uni Linz Erweiterung von 5/8-lambda-vertikalantennen zur erregung unterhalb ihrer bemessungsfrequenz
US8588924B2 (en) 2008-03-04 2013-11-19 Cardiac Pacemakers, Inc. Loaded RF antenna for implantable device
AU2009220198B2 (en) 2008-03-04 2012-11-29 Cardiac Pacemakers, Inc. Implantable multi-length RF antenna
US8972021B2 (en) 2008-03-04 2015-03-03 Cardiac Pacemakers, Inc. Detachable helical antenna for implantable medical device
US20100225547A1 (en) * 2009-03-05 2010-09-09 Kang Lan Vehicle concealed antenna
DE202014002207U1 (de) 2014-02-18 2014-04-09 Antennentechnik Abb Bad Blankenburg Gmbh Mehrbereichsantenne für eine Empfangs- und/oder Sendeeinrichtung für den mobilen Einsatz
CN104393380A (zh) * 2014-11-19 2015-03-04 凯士林汽车部件（苏州）有限公司 基于四分之一波长的汽车天线带阻滤波器
KR101687921B1 (ko) * 2015-11-20 2016-12-19 울산대학교 산학협력단 다중 밴드 안테나

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445849A (en) * 1966-02-14 1969-05-20 Rca Corp Half wavelength monopole antenna with spaced loading coils
US4101898A (en) * 1976-07-26 1978-07-18 David Lee Ingram Base fed, top-loaded vertical whip antenna
US4145693A (en) * 1977-03-17 1979-03-20 Electrospace Systems, Inc. Three band monopole antenna
US4675687A (en) * 1986-01-22 1987-06-23 General Motors Corporation AM-FM cellular telephone multiband antenna for motor vehicle

Also Published As

Publication number Publication date
US5258765A (en) 1993-11-02
DK0505673T3 (da) 1995-12-27
JPH0575330A (ja) 1993-03-26
DE4109630A1 (de) 1992-09-24
CZ281157B6 (cs) 1996-07-17
HU210506B (en) 1995-04-28
JP3188509B2 (ja) 2001-07-16
HUT63272A (en) 1993-07-28
EP0505673A1 (de) 1992-09-30
DE59203865D1 (de) 1995-11-09
ES2079084T3 (es) 1996-01-01
CS74692A3 (en) 1992-10-14
HU9200938D0 (en) 1992-05-28

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