EP1218966B1 - Biegsamer antennenstrahler - Google Patents

Biegsamer antennenstrahler Download PDF

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Publication number
EP1218966B1
EP1218966B1 EP00962224A EP00962224A EP1218966B1 EP 1218966 B1 EP1218966 B1 EP 1218966B1 EP 00962224 A EP00962224 A EP 00962224A EP 00962224 A EP00962224 A EP 00962224A EP 1218966 B1 EP1218966 B1 EP 1218966B1
Authority
EP
European Patent Office
Prior art keywords
coil spring
antenna
antenna rod
rod
conduction band
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
EP00962224A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1218966A1 (de
Inventor
Uwe Militz
Heinrich Wilken
Andreas Horn
Christian Schmidt
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 EP1218966A1 publication Critical patent/EP1218966A1/de
Application granted granted Critical
Publication of EP1218966B1 publication Critical patent/EP1218966B1/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
    • 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
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/085—Flexible aerials; Whip aerials with a resilient base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • 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
    • H01Q9/32—Vertical arrangement of element
    • 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
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/34—Mast, tower, or like self-supporting or stay-supported antennas

Definitions

  • the invention is based on a flexible antenna radiator the genus of the main claim.
  • the Bosch antenna "Multi-NTR 101" is already known a combination antenna for navigation, radio and Radio applications represents.
  • This antenna comprises a Coil spring, in the one hand, a threaded bolt for Attachment to a vehicle body and on the other hand Retaining bolt is screwed, which carries an antenna rod.
  • From DE 30 36 084 is a rod antenna, in particular for FM broadcast, known to be from one to the top of the antenna tapered insulator rod over Almost the entire length of a helical Wire winding is formed.
  • a lower end area of Isolierstoffstabes is unwound and carries a sleeve-shaped approach of a fitting.
  • the Connecting piece is via an elastic spacer with another connector mechanically and electrically connected.
  • the elastic intermediate piece contains a Coil spring, one end of which with the fitting and the other end with the other connector mechanically and is electrically connected.
  • US 4,914,450 is a flexible antenna radiator with a coil spring for receiving an antenna rod by means of a holding element known, on the one hand the Antenna rod carries and on the other hand with the coil spring is screwed, wherein the holding element is a tubular Receiving the antenna rod and wherein the tubular receptacle on its outside a thread-like Profile, which screwed into the coil spring is.
  • an antenna which is mounted on a Side an antenna rod and on the other side Includes fastener, wherein the antenna rod and the Fastener by means of one of an elastic Material surrounded spring are connected to each other.
  • the screw element a Coil spring comprises, in a likewise a Screw spring screwed comprehensive nut can be.
  • This device can be used to attach a Antenna can be used on a vehicle body.
  • the inventive flexible antenna radiator with the Features of the main claim has the advantage over that the holding element is a tubular receptacle for the Antenna rod and that the tubular receptacle to its outside has a thread-like profile, the in the coil spring is screwed in.
  • the holding element is a tubular receptacle for the Antenna rod and that the tubular receptacle to its outside has a thread-like profile, the in the coil spring is screwed in.
  • the retaining element only slightly protruding from the coil spring and a minimum distance between one outside the Coil spring or outside of the retaining element on the Antenna rod applied winding and the coil spring can be realized.
  • the retaining element as form deformable sleeve whose inner diameter is about corresponds to the outer diameter of the antenna rod, so that when inserting the antenna rod on its outside is deformed so that the thread-like profile results.
  • a sleeve is a special inexpensive mass products, whose thread is also automatically when inserting the antenna rod through Deformation results and thus are not produced separately got to. Effort and costs in the production of the flexible Antenna radiator can thus be reduced.
  • Another advantage is that between the Antenna rod and the tubular recording a conduction band is inserted, which is guided inside the coil spring and electrically bridged the coil spring. To this Way, the functionality of the retaining element continues Increased by it even for mounting and electrical Contacting the conduction band with the coil spring serves. By the electrical bridging of the coil spring through the conduction band remains the electrical length of the flexible antenna radiator even with bending of the Coil spring unchanged, so that the transmitting and Reception characteristics of the flexible antenna radiator not be affected.
  • 1 indicates a flexible one Antenna radiator 1, which comprises a coil spring 5.
  • the Coil spring 5 is mounted on a threaded bolt 40, for example, attached to a vehicle body can be.
  • the flexible antenna radiator 1 can then as Vehicle antenna can be used.
  • the threaded bolt 40 includes a thread 45, which is about the winding pattern of Coil spring 5 corresponds and at a first end 50 of Coil spring 5 is screwed into this. Since the Core diameter of the thread 45 of the threaded bolt 40 larger is formed as the inner diameter of the coil spring 5 in this way a positive and non-positive connection between the coil spring 5 and the threaded bolt 40th Between the coil spring 5 and the thread 45 of the Threaded bolt 40 is still a conduction band 30th trapped. Both the coil spring 5 and the Conduction band 30 are made of electrically conductive material, formed for example of a metal. Thus arises between the coil spring 5 and the conduction band 30 on first end 50 of the coil spring 5 is an electrically conductive Connection.
  • the Retaining element 15 comprises a tubular receptacle 20 in the an antenna rod 10 is inserted.
  • the tubular Pick-up 20 has on its outside a e.g. thread-like profile 25, which is about the winding pattern of Coil spring 5 corresponds and at the second end 55 of the Coil spring 5 is screwed into this. Since also the Core diameter of the thread-like profile 25 is greater than the inner diameter of the coil spring 5, that is Retaining element 15 with the inserted antenna rod 10 form and non-positively connected to the coil spring 5.
  • the retaining element 15 as a deformable sleeve, be formed for example as tinned collar sleeve, whose inner diameter is approximately equal to the outer diameter of the Antenna rod 10 corresponds, so that they during insertion of the Antenna rod 10 is deformed on its outer side so that the thread-like profile 25 results.
  • To the Introduction of the antenna rod 10 in the holding element 15 to Simplify this at one of its ends have enlarging diameter. At this end that will be Holding element 15 then less or not deformed, so that this end is not inserted into the coil spring 5 and consequently stands out from it.
  • the antenna rod 10 in the Held coil spring 5 and protrudes into it.
  • the conduction band 30 can according to the figure between the Antenna rod 10 and the tubular receptacle 20 inserted be.
  • the conduction band 30 was already before introduction of the antenna rod 10 in the tubular receptacle 20th inserted.
  • the conduction band 30 against pressed the tubular receptacle 20. If both that Conduction band 30 and the holding member 15 with the tubular receptacle 20 made of electrically conductive material are formed, it creates an electrical in this way conductive connection between the conduction band 30 and the tubular receiving 20.
  • the conduction band 30 As well as the coil spring 5 off is formed electrically conductive material, arises on this way also an electrically conductive connection between the conduction band 30 and the coil spring 5 in Area of the holding element 15 and thus at the second end 55th the coil spring 5.
  • the conduction band 30 is in the Inside the coil spring 5 out.
  • an electrical Winding 35 for example in the form of a metal wire, applied on the antenna rod 10.
  • the electrical winding 35 can already before introduction of the antenna rod 10 in the tubular Recording 20 may be applied to the antenna rod 10.
  • To Introduction of the antenna rod 10 in the tubular Recording 20 is that of the coil spring 5 and the Holding element 15 facing the end of the winding 35 outside the coil spring 5 and outside the tubular Recording 20.
  • the antenna rod 10 should be as possible as far as be inserted into the tubular receptacle 20, that the holding element 15 facing the end of the electrical Winding 35 as little as possible spaced from the holding element 15 is.
  • the antenna rod 10 with the previously applied winding 35 so far in the tubular Recording 20 introduce that the coil spring. 5 facing the end of the electrical winding 35 against the between the antenna rod 10 and the tubular Recording 20 lying conduction band 30 presses and on this Way an electrically conductive connection between the electrical winding 35 and the conduction band 30 comes.
  • the coil spring 5 facing the end of electrical winding 35 is in this case within the tubular receptacle 20 and is through the Antenna rod 10 pinched in this.
  • connection between the electrical Winding 35 and the conduction band 30 is carried out by soldering and the coil spring 5 facing the end of the electrical Winding 35 is outside the tubular receptacle 20, can the electrical winding 35 even after introduction of the Antenna rod 10 in the tubular receptacle 20 on the Antenna rod 10 are attached.
  • the Coil spring 5 facing the end of the electrical Winding 35 in contact with the conduction band 30 in the is to be clamped tubular receptacle 20
  • the must electrical winding 35 before introducing the Antenna rod 10 in the tubular receptacle 20 on the Antennstab 10 may have been applied.
  • the training at least of the Coil spring 5 facing the end of the electrical Winding 35 as a flat wire, so that as good as possible Contact with the conduction band 30 during clamping is made possible within the tubular receptacle 20.
  • the conduction band 30 within the coil spring 5 is chosen long enough to bending and stretching movements of the To be able to follow coil spring 5 without tearing or to interfere with these movements.
  • the coil spring 5 affects the electrical length of Antenna radiator 1. If the coil spring 5 is bent or stretched, so increases the electrical length of the Antenna Emitter 1. This affects the receivable Frequency range and thus also the antenna impedance and their Adaptation to further not shown in the figure Receiving circuits. By using the conduction band 30 However, the coil spring 5 is electrically bridged so that the electrical length of the antenna radiator 1 at Bending or stretching of the coil spring 5 in comparison not enlarged to the unbent and unstretched state becomes.
  • the threaded bolt 40 is also made of electrical conductive material, for example of a metal, formed so that at the first end 50 of the coil spring 5 a electrically conductive connection between the thread 45 of the Threaded bolt 40, the coil spring 5 and between the Coil spring 5 and the thread 45 of the threaded bolt 40th clamped conduction band 30 consists.
  • the length of the coil spring 5 must be be chosen so that they do not bend at a bend is deformed, but back to their original position springs back. Such deformation of the coil spring 5 is prevented when the length and the outer diameter of the Coil spring 5 are sufficiently large. It can be a Reduction of the length of the coil spring 5 in a certain Measure by increasing the outer diameter of the Coil spring 5 to prevent deformation in the Bending the coil spring 5 occur to be compensated.
  • a length of the threaded bolt 40 outside of the coil spring 5 of 12 mm and a length of the holding element 15 outside the Coil spring 5 of 5 mm is the minimum value for the electrical length of the antenna radiator 1 is a value of 53 mm.
  • the antenna radiator 1 as Lambda / 4 radiators can be at this minimum value for the electrical length signals at a frequency of 1364 MHz send and receive very well. In such a electrical length can also be signals in the e-net at 1800 MHz can be sent and received.
  • a locking coil 60 for Apply E-network signals to the antenna rod 10 so above the blocking coil 60 of the electrical winding 35th received signals e.g. of the e-net are blocked and not to a threaded bolt 40 downstream Receiver circuit are allowed to pass.
  • Another Locking coil for e.g. Signals of the D network in one Frequency range around 900 MHz can above the blocking coil 60 be applied for the E-network on the antenna rod 10 in a Distance from the coil spring 5 remote from the end of Threaded bolt 40 in the amount of a quarter-wavelength of Frequency of 900 MHz and thus in this example of about 8,3 cm.
  • the antenna emitter 1 thus enables the transmission and Receiving e.g. Signals in the e-network between the Locking coil 60 for the power grid and the coil spring. 5 opposite end of the threaded bolt 40th Der Antenna emitter 1 also allows the transmission and Receiving e.g. Signals in the D-network between the Locking coil for the D-net and the coil spring 5 remote end of the threaded bolt 40.
  • the two Blocking coils are part of the electrical winding 35th If the electrical winding 35 at the appropriate length of the antenna rod 10 on the coil spring.
  • the minimum required electrical length at predetermined properties of the coil spring 5 on a Minimum to reduce and thus a maximum Frequency range for transmission and / or reception.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
EP00962224A 1999-08-31 2000-08-17 Biegsamer antennenstrahler Expired - Lifetime EP1218966B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19941501 1999-08-31
DE19941501A DE19941501C1 (de) 1999-08-31 1999-08-31 Biegsamer Antennenstrahler
PCT/DE2000/002781 WO2001017060A1 (de) 1999-08-31 2000-08-17 Biegsamer antennenstrahler

Publications (2)

Publication Number Publication Date
EP1218966A1 EP1218966A1 (de) 2002-07-03
EP1218966B1 true EP1218966B1 (de) 2003-05-14

Family

ID=7920324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00962224A Expired - Lifetime EP1218966B1 (de) 1999-08-31 2000-08-17 Biegsamer antennenstrahler

Country Status (6)

Country Link
EP (1) EP1218966B1 (ko)
JP (1) JP4469530B2 (ko)
KR (1) KR100752447B1 (ko)
DE (2) DE19941501C1 (ko)
TW (1) TW541756B (ko)
WO (1) WO2001017060A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006006923A1 (de) * 2005-10-18 2007-04-19 Hirschmann Car Communication Gmbh Antennenrute für eine Antenne mit Glasfaserstab, der eine Ausnehmung aufweist
EP1783862A1 (de) * 2005-10-18 2007-05-09 Hirschmann Car Communication GmbH Antennenrute für eine Antenne mit Glasfaserstab, der eine Ausnehmung aufweist
DE102006029488A1 (de) * 2006-02-04 2007-08-09 Hirschmann Car Communication Gmbh Antennenstab mit Gewindeverbindung zum Antennensockel
DE102008002673A1 (de) * 2008-06-26 2009-12-31 Robert Bosch Gmbh Stabantenne
US8963786B2 (en) * 2012-07-11 2015-02-24 Laird Technologies, Inc. Antenna mast assemblies
DE102017105114A1 (de) * 2016-03-11 2017-09-14 Hirschmann Car Communication Gmbh Verfahren zur Herstellung einer Stabantenne
DE102017114365B4 (de) 2016-06-29 2024-04-25 Hirschmann Car Communication Gmbh Verfahren zur Herstellung einer Stabantenne

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179698A (en) * 1977-12-13 1979-12-18 American Antenna Corporation Mobile antenna with adjustable radiating element
US4163981A (en) * 1978-03-27 1979-08-07 Wilson Thomas J Spring tunable helical whip antenna
DE3036084A1 (de) * 1980-09-25 1982-04-29 Robert Bosch Gmbh, 7000 Stuttgart Stabantenne, insbesondere fuer ukw-rundfunkempfang
DE3205750C2 (de) * 1982-02-18 1990-03-29 Hans Kolbe & Co, 3202 Bad Salzdetfurth Biegestück für einen Antennenstab einer Kfz-Antenne
GB2148604B (en) * 1983-10-18 1988-01-06 Plessey Co Plc Monopole aerial
US4914450A (en) * 1985-01-31 1990-04-03 The United States Of America As Represented By The Secretary Of The Navy High frequency whip antenna
EP0370715B1 (en) * 1988-11-22 1996-06-12 Harada Industry Co., Ltd. An antenna installation device using a screw type coupling device
DE3842854A1 (de) * 1988-12-20 1990-06-21 Bosch Gmbh Robert Stabantenne fuer den fernsehempfang
FR2693038B1 (fr) * 1992-06-29 1994-09-16 Ernest Pizon Antenne émettrice et/ou réceptrice.

Also Published As

Publication number Publication date
EP1218966A1 (de) 2002-07-03
WO2001017060A1 (de) 2001-03-08
JP4469530B2 (ja) 2010-05-26
JP2003508949A (ja) 2003-03-04
TW541756B (en) 2003-07-11
KR20020025995A (ko) 2002-04-04
DE50002213D1 (de) 2003-06-18
KR100752447B1 (ko) 2007-08-24
DE19941501C1 (de) 2001-06-28

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