EP1783862A1 - Antenne tige avec support en fibres de verre avec un évidement - Google Patents

Antenne tige avec support en fibres de verre avec un évidement Download PDF

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Publication number
EP1783862A1
EP1783862A1 EP06021583A EP06021583A EP1783862A1 EP 1783862 A1 EP1783862 A1 EP 1783862A1 EP 06021583 A EP06021583 A EP 06021583A EP 06021583 A EP06021583 A EP 06021583A EP 1783862 A1 EP1783862 A1 EP 1783862A1
Authority
EP
European Patent Office
Prior art keywords
coil
recess
carrier
antenna rod
rod
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.)
Withdrawn
Application number
EP06021583A
Other languages
German (de)
English (en)
Inventor
Helmut Häussler
Werner Rathgeb
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.)
Hirschmann Car Communication GmbH
Original Assignee
Hirschmann Car Communication 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 Hirschmann Car Communication GmbH filed Critical Hirschmann Car Communication GmbH
Publication of EP1783862A1 publication Critical patent/EP1783862A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H01Q1/084—Pivotable antennas
    • 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

Definitions

  • the invention relates to an antenna rod for an antenna, in particular a roof antenna, of a vehicle according to the features of the preamble of patent claim 1.
  • Roof antennas for vehicles are for example from the EP 0 701 295 A1 known.
  • a housing, within which antenna elements and an electronics are arranged, are fastened by means of a bottom plate on a roof of the vehicle.
  • an antenna rod on the antenna housing, in particular its hood. This may, but need not, be releasably connected to the housing.
  • the antenna rod and the antenna housing are detachably connected to one another via a screw connection in order to be able to unscrew the antenna rod, for example, when driving into the vehicle in a car wash in order to avoid damage.
  • the antenna rod itself has for this purpose an assembly area, which is designed as a screw thread.
  • This mounting area is followed by a carrier, which consists of a rigid, but within certain limits flexible carrier made of plastic material.
  • This carrier receives an antenna radiator, which consists for example of a wire wound around the carrier.
  • a wound coil is arranged in the transition region from the mounting area to the carrier for reasons of high frequency technology.
  • the bending spring is made of stainless steel in order to avoid corrosion, in order to realize the electrical and high-frequency properties, such a stainless steel bending spring can not be soldered, and if there is a risk that by movements of the antenna rod, to which it Operation of the vehicle comes forcibly, the solder joint could rise, so that the function of the antenna rod fails.
  • the invention is therefore based on the object to avoid the disadvantages described above and to provide an antenna rod, which is simple in terms of design and manufacturing technology and can be produced inexpensively.
  • one end of the coil is arranged in a recess in the carrier and an end portion of a bending spring is pressed over the arranged in the recess end of the coil.
  • a recess for example a cutout
  • the longitudinal direction which in its geometric extent, in particular with regard to its width or depth, is dimensioned so that the wire of the coil can completely dip into this recess.
  • the end of the Curved coil in particular bent slightly sloping downwards. On this bending end, in particular the ramp thus formed, which forms the coil end, the end portion of the bending spring is pressed.
  • the carrier of the antenna rod consists of a glass fiber rod, which is particularly stable, inexpensive and has the required non-dielectric properties.
  • the coil itself extends over a smaller or larger or the entire axial region of the carrier. Should the winding wire from which the coil is made be an enameled wire, it is necessary to previously remove this lacquer layer in the region in which the bending spring is pressed onto the winding wire.
  • the figure shows an antenna rod 1, which is bolted to a roof antenna, in particular, wherein the roof antenna and its arrangement on a roof of a vehicle for the sake of simplicity is not shown.
  • the antenna rod 1 has an assembly area 2, at the end of which, for example, there is a threaded area.
  • the mounting region 2 is followed by a rod-shaped support 3, which is a glass fiber rod in a particularly advantageous manner.
  • a spiral spring 4 is provided which extends at least partially, in particular completely over the entire mounting area 2 and beyond. The further extension of the spiral spring 4 extends up to a direction arranged on the support 3 or can be arranged wound coil 5, wherein the end the bending spring 4 and the end portion of the coil 5 overlap.
  • the antenna rod 1 is shown without bending spring 4, so that an end region 6 can be seen, which has a recess 7.
  • This recess 7 is slot-shaped and has a depth which is at least slightly smaller than the diameter of the winding wire of the coil 5.
  • the length of the mounting area 2 is chosen to be significantly smaller than the length of the entire carrier 3, it is alternatively also conceivable that the length of the mounting area 2 and the length of the carrier 3 are the same or the aspect ratios are reversed to the presentation. It is also conceivable that the carrier 3 does not have the recess 7 in an end region 6, but the end region of the carrier 3 extends into the mounting region 2 and the recess 7 is not provided in the end region, but at the point at which the bending spring 4 is pressed onto the coil 5.

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  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
EP06021583A 2005-10-18 2006-10-14 Antenne tige avec support en fibres de verre avec un évidement Withdrawn EP1783862A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005049749 2005-10-18

Publications (1)

Publication Number Publication Date
EP1783862A1 true EP1783862A1 (fr) 2007-05-09

Family

ID=37110297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06021583A Withdrawn EP1783862A1 (fr) 2005-10-18 2006-10-14 Antenne tige avec support en fibres de verre avec un évidement

Country Status (1)

Country Link
EP (1) EP1783862A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009156001A1 (fr) * 2008-06-26 2009-12-30 Robert Bosch Gmbh Antenne tige

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US809880A (en) * 1906-01-09 Tom Alfred Woolldridge Flexible coupling.
US4462033A (en) * 1977-01-03 1984-07-24 Quick-Mount Manufacturing Co., Inc. Antenna with spring loading coil
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
WO2001017060A1 (fr) * 1999-08-31 2001-03-08 Robert Bosch Gmbh Radiateur d'antenne flexible
EP1093187A2 (fr) * 1999-10-12 2001-04-18 Shakespeare Company Antenne monopole courte à large bande avec réseaux résistifs/inductifs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US809880A (en) * 1906-01-09 Tom Alfred Woolldridge Flexible coupling.
US4462033A (en) * 1977-01-03 1984-07-24 Quick-Mount Manufacturing Co., Inc. Antenna with spring loading coil
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
WO2001017060A1 (fr) * 1999-08-31 2001-03-08 Robert Bosch Gmbh Radiateur d'antenne flexible
EP1093187A2 (fr) * 1999-10-12 2001-04-18 Shakespeare Company Antenne monopole courte à large bande avec réseaux résistifs/inductifs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009156001A1 (fr) * 2008-06-26 2009-12-30 Robert Bosch Gmbh Antenne tige

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