EP0275379A1 - Antenne télescopique à déploiement manuel - Google Patents

Antenne télescopique à déploiement manuel Download PDF

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Publication number
EP0275379A1
EP0275379A1 EP87115939A EP87115939A EP0275379A1 EP 0275379 A1 EP0275379 A1 EP 0275379A1 EP 87115939 A EP87115939 A EP 87115939A EP 87115939 A EP87115939 A EP 87115939A EP 0275379 A1 EP0275379 A1 EP 0275379A1
Authority
EP
European Patent Office
Prior art keywords
telescopic
antenna
soul
telescopic antenna
core
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.)
Granted
Application number
EP87115939A
Other languages
German (de)
English (en)
Other versions
EP0275379B1 (fr
Inventor
Bernhard Rauser
Robert Ing.(Grad.) Harth
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.)
Audi AG
Original Assignee
Audi AG
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 Audi AG filed Critical Audi AG
Publication of EP0275379A1 publication Critical patent/EP0275379A1/fr
Application granted granted Critical
Publication of EP0275379B1 publication Critical patent/EP0275379B1/fr
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
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S343/00—Communications: radio wave antennas
    • Y10S343/01—Communications: radio wave antennas with vibration damper or wind catcher

Definitions

  • the invention relates to a telescopic antenna that can be pulled out by hand for a motor vehicle according to the preamble of claim 1.
  • Such telescopic antennas belong to the prior art. Simple and therefore inexpensive models can be pulled out by hand; they consist of several telescopic tubes that are fitted into one another and, apart from the innermost part, are designed as sleeves when pulled out. When pushed together, the sleeves are received by a guide tube provided under the body panel. Such antennas are generally known.
  • motor-driven telescopic antennas in which a heavy electric motor is attached to the lower area, which, for example, moves a nylon wire up and down and can thus push the antenna in and out using an electric motor.
  • the acoustic behavior of the telescopic antennas mentioned in the preamble is problematic. They tend to produce wind noise that penetrate inside the vehicle.
  • the antennas equipped with the electric motor are less susceptible to such wind noise due to their heavy electric motor located in the lower region.
  • the object of the invention is to provide a generic telescopic antenna which can be pulled out by hand and whose acoustic behavior is improved compared to the antennas known in the prior art.
  • the telescopic antenna which can be pulled out by hand contains a core, for example a band, a coated or uncoated wire or the like, which, when the antenna is extended, rests on the inner walls of the individual telescopic tubes and thereby extends from the uppermost antenna telescope section to extends to the lowest telescopic section, preferably to the lower end of the guide tube.
  • a core for example a band, a coated or uncoated wire or the like
  • DE-A 894 578 describes a vehicle antenna in which inserts are provided between the inner tube and the outer tube, which also to prevent rattling noises.
  • US-A 2,179,472 and US-A 2,179,415 also describe inserts which are intended to brace the individual telescopic tubes against one another in order to overcome the play necessary for pulling in and taking out, so that mechanical metallic rattling of the telescopic tubes with one another is avoided.
  • the real problem with the formation of noise by antennas does not consist in the rattling of the segments with one another, and also not in the detachment of eddies and turbulence, which should consequently be avoided, but that the detachment of eddies and turbulence generated natural vibrations of the antenna are transmitted to the body panel via the antenna base and are amplified there with certain training and are thus conducted as structure-borne noise into the vehicle interior.
  • the whistling and whirring in the wind is due to such causes.
  • the material selection for the soul is of secondary importance, it can be a plastic band, a metal band covered with plastic or the like. It is advantageous if the material has the highest possible internal damping.
  • the soul can be designed in a spiral.
  • the core is provided on the outside with a material that reduces friction, for example with polytetrafluoroethylene.
  • FIGS. 1 and 2 The telescopic antennas shown in FIGS. 1 and 2 are not shown to scale, but rather widened to show the principle of the invention more clearly.
  • the telescopic antenna 10 is embedded in a body panel 12 and held by means of a ring 14. Vibrations of the antenna 10 are introduced into the body panel 12 via the ring 14 and carried into the interior of the vehicle as structure-borne noise.
  • the telescopic antenna 10 consists of an upper, usually solid rod 16, on the three other telescopic tubes in the drawing Connect 18, 20 and 22.
  • guide pieces such as are provided in concrete versions, are not mentioned in the description and are not shown in the drawing.
  • a guide tube 30 surrounds the sunken and pushed telescopic antenna and is attached below the body panel 12.
  • a core 24 is fixed at point 26, which is fixed with its other end 28 in the lower section of the guide tube 30.
  • This core 24 extends loosely through the interior of the antenna and lies in several areas on the inner walls of the telescopic tubes 18, 20 and 22 and on the inner wall of the guide tube 30.
  • a spring preload is not desirable, the damping effect of the soul is better if it has no natural vibration behavior.
  • the core 24 can consist, for example, of stripped metal wire which, with a sufficiently long length, also contacts the inner walls of the telescopic tubes 18, 20 and 22 when the antenna 10 is extended, in particular if the metal wire is wound in a spiral.
  • a friction reducing coating or friction reducing material is advantageous for mechanical reasons. This has nothing to do with the acoustically desired properties, however, when designing the soul 24, one must also take into account that in continuous operation, even after several years, it must still be ensured that the antenna can be extended and retracted without difficulty.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
EP87115939A 1986-12-05 1987-10-30 Antenne télescopique à déploiement manuel Expired - Lifetime EP0275379B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3641530 1986-12-05
DE3641530 1986-12-12

Publications (2)

Publication Number Publication Date
EP0275379A1 true EP0275379A1 (fr) 1988-07-27
EP0275379B1 EP0275379B1 (fr) 1991-03-13

Family

ID=6315509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115939A Expired - Lifetime EP0275379B1 (fr) 1986-12-05 1987-10-30 Antenne télescopique à déploiement manuel

Country Status (5)

Country Link
US (1) US4920354A (fr)
EP (1) EP0275379B1 (fr)
JP (1) JPS63152202A (fr)
DE (1) DE3768639D1 (fr)
ES (1) ES2020989B3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5699070A (en) * 1991-03-04 1997-12-16 Motorola, Inc. Radio having replaceable and retractable antenna apparatus
US5485170A (en) * 1993-05-10 1996-01-16 Amsc Subsidiary Corporation MSAT mast antenna with reduced frequency scanning
US5751251A (en) * 1996-03-20 1998-05-12 Hutchinson; Ronald M. Automotive mobile telephone antenna silencer
US6034639A (en) * 1997-12-22 2000-03-07 T & M Antennas Retractable antenna for portable communicator
US6095714A (en) * 1998-04-03 2000-08-01 Trw Inc. Latch lock joint for telescoping tubes
KR100492892B1 (ko) * 2002-09-17 2005-06-02 주식회사 팬택 이동통신 단말기의 안테나
TWM254052U (en) * 2004-01-20 2004-12-21 P Two Ind Inc Probe pin
US7522111B2 (en) * 2007-08-15 2009-04-21 Uniden America Corporation Telescoping antenna with retractable wire antenna element
US8695122B2 (en) 2009-12-10 2014-04-15 John Michael DeBoer Adjustable facial protector
WO2017030957A1 (fr) * 2015-08-14 2017-02-23 Tim Price, Inc. D/B/A Contact! Corporation Spirale de gestion de câbles

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456330A (en) * 1945-09-04 1948-12-14 Shakespeare Products Co Antirattling device for antenna masts
DE835016C (de) * 1950-08-22 1952-03-27 Sihn Kg Wilhelm Jun Fahrzeugantenne
DE894578C (de) * 1951-08-07 1953-10-26 Sihn Kg Wilhelm Jun Fahrzeugantenne
US2681412A (en) * 1951-01-29 1954-06-15 Webster Marvin Whip antenna structure
FR1161644A (fr) * 1956-11-17 1958-09-02 Perfectionnements apportés aux antennes télescopiques
EP0171866A1 (fr) * 1984-06-15 1986-02-19 Chu Associates Inc Antenne fouet insensible aux vibrations

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755893C (de) * 1938-08-05 1951-08-02 Schniewindt Komm Ges C Aus mehreren ineinanderschiebbaren Teilen bestehende Stabantenne
US2179415A (en) * 1939-01-14 1939-11-07 Radiart Corp Aerial and the like
US2366299A (en) * 1939-08-17 1945-01-02 Radiart Corp Radio antenna
US2346728A (en) * 1941-10-20 1944-04-18 Carlson Emil Power driven operating means for extensible and retractable aerials
BE515144A (fr) * 1951-11-27
FR1081711A (fr) * 1953-07-29 1954-12-22 Commande pour l'extension et le repliement des tubes télescopiques tels les antennes de radio sur véhicules

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456330A (en) * 1945-09-04 1948-12-14 Shakespeare Products Co Antirattling device for antenna masts
DE835016C (de) * 1950-08-22 1952-03-27 Sihn Kg Wilhelm Jun Fahrzeugantenne
US2681412A (en) * 1951-01-29 1954-06-15 Webster Marvin Whip antenna structure
DE894578C (de) * 1951-08-07 1953-10-26 Sihn Kg Wilhelm Jun Fahrzeugantenne
FR1161644A (fr) * 1956-11-17 1958-09-02 Perfectionnements apportés aux antennes télescopiques
EP0171866A1 (fr) * 1984-06-15 1986-02-19 Chu Associates Inc Antenne fouet insensible aux vibrations

Also Published As

Publication number Publication date
ES2020989B3 (es) 1991-10-16
EP0275379B1 (fr) 1991-03-13
JPS63152202A (ja) 1988-06-24
US4920354A (en) 1990-04-24
DE3768639D1 (de) 1991-04-18

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