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EP0508299B1 - Portable transceiver with relevant device antenna - Google Patents

Portable transceiver with relevant device antenna Download PDF

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Publication number
EP0508299B1
EP0508299B1 EP92105634A EP92105634A EP0508299B1 EP 0508299 B1 EP0508299 B1 EP 0508299B1 EP 92105634 A EP92105634 A EP 92105634A EP 92105634 A EP92105634 A EP 92105634A EP 0508299 B1 EP0508299 B1 EP 0508299B1
Authority
EP
European Patent Office
Prior art keywords
antenna
transceiver according
housing
radiator
joint
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
EP92105634A
Other languages
German (de)
French (fr)
Other versions
EP0508299A1 (en
Inventor
Reinhold Dipl.-Ing. Heiss
Thomas Dipl.-Ing. Molière
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0508299A1 publication Critical patent/EP0508299A1/en
Application granted granted Critical
Publication of EP0508299B1 publication Critical patent/EP0508299B1/en
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
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/245—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use

Definitions

  • the invention relates to a walkie-talkie with a transmitter / receiver and an associated device antenna.
  • Two-way radios have a wide range of uses, particularly as end portables in mobile telephone systems.
  • the physiological influence on the human body that occurs in the relevant frequency ranges is increasingly being addressed.
  • the problem is that a hand-held portable device radiates in the head of the user with a normal operating position on the head and an antenna with a radiator length of approx. 80 mm.
  • the head acts as a shadow for the radiation of the antenna.
  • a radio transceiver which is housed in a single housing and has a high-frequency connection with a high-frequency terminal, which is coupled to a tuned main antenna.
  • the radiation of the main antenna is improved with the help of a radiating auxiliary antenna as a counterweight in the lower part of the walkie-talkie.
  • the main antenna consists of a coiled section, which is most critical for the structure of the radiation, and a central body formed by a plastic tube, in which a linear conductor connected to the lower end of the coil is arranged.
  • US-A-3 522 608 discloses a telescopic VHF-UHF antenna for a television receiver which can be pivoted and inserted in various ways.
  • the invention has for its object to provide a solution with which these problems can be easily eliminated.
  • This object is achieved in a walkie-talkie of the type described at the outset according to the invention by increasing the base of the effective antenna in such a way that the antenna consists of a non-radiating spacer connected to the device housing and an active part connected to it as an antenna radiator.
  • the antenna radiator is located above the top edge of the head and thus exerts only an insignificant physiological influence.
  • the antenna can develop its optimal directional characteristic.
  • Figure 1 shows an embodiment with a pivotable antenna.
  • the antenna consists of an elongated, non-radiating antenna base 2 (spacer) and a radiating antenna part of, for example, ⁇ / 2 length.
  • the antenna is attached to the side of the device housing 1 and can be pivoted via a joint 4. By swiveling the antenna in the direction of the arrow, it can be brought into a position on the side of the device housing in the rest position (dashed line).
  • Figure 2 shows an embodiment with a double joint antenna (folding antenna).
  • the first antenna joint part 2 is a spacer, while the second joint section 3 is the effective part of the antenna (radiator).
  • the entire antenna construction is detachably connected via a coaxial swivel joint 4 to the device housing 1, which is only partially shown in the figure.
  • a locking coaxial swivel joint 5 is attached between the first and the second part (spacer 2 and radiator 3).
  • the antenna is fully integrated into the housing design in the folded state (the spacer 2 lies on the top of the device, the radiator 3 on the left side of the device housing in the figure). This allows the device to be transported optimally. Damage during transport (e.g. in a bag) is largely avoided.
  • the antenna In this folded state, the antenna has limited functionality.
  • the "stand by" position of the antenna is achieved by rotating the radiator 3 by 180 °.
  • the radiator 3 is in a position that extends the left side of the device housing. In areas with a good network infrastructure, calls can also be made in this antenna position if, for example, the radio is parked on a platform.
  • the antenna can also be designed as a telescopic antenna which has an elongated, non-radiating foot and can be inserted into a recess in the longitudinal direction of the device housing.
  • the antenna can also be designed as a screw-on or plug-on version.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Burglar Alarm Systems (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)

Abstract

When hand-portable transceivers are used in the normal operating position on the head, on the one hand radiation penetrates into the head of the user while on the other hand the head screens the radiation from the antenna. In order to overcome these effects, the base point of the effective antenna is raised in such a manner that the antenna consists of a non-radiating part (spacer) (2) which is connected to the device housing and of a self-radiating part (aerial) (3) connected thereto. <IMAGE>

Description

Die Erfindung bezieht sich auf ein Funksprechgerät mit einem Sender/Empfänger und einer zugehöriger Geräteantenne.The invention relates to a walkie-talkie with a transmitter / receiver and an associated device antenna.

Funksprechgeräte haben eine vielfältige Anwendung, in besonderer Weise auch als Endportables in mobilen Telefoneinrichtungen. In diesem Zusammenhang wird vermehrt die in den betreffenden Frequenzbereichen auftretende physiologische Beeinflussung auf den menschlichen Körper angesprochen. Das Problem besteht darin, daß ein Handportable bei normaler Betriebshaltung am Kopf und einer Antenne mit ca. 80 mm Strahlerlänge in den Kopf des Benutzers abstrahlt. Außerdem wirkt der Kopf abschattend für die Abstrahlung der Antenne.Two-way radios have a wide range of uses, particularly as end portables in mobile telephone systems. In this context, the physiological influence on the human body that occurs in the relevant frequency ranges is increasingly being addressed. The problem is that a hand-held portable device radiates in the head of the user with a normal operating position on the head and an antenna with a radiator length of approx. 80 mm. In addition, the head acts as a shadow for the radiation of the antenna.

Aus der EP-A-0 070 150 ist ein Funk-Sende/Empfänger bekannt, der in einem einzigen Gehäuse untergebracht ist und einen Hochfrequenz-Anschluß mit einer Hochfrequenz-Klemme aufweist, die mit einer abgestimmten Hauptantenne gekoppelt ist. Hierbei wird mit Hilfe einer strahlenden Hilfsantenne als Gegengewicht im unteren Teil des Funksprechgerätes die Abstrahlung der Hauptantenne verbessert. Die Hauptantenne besteht aus einem gewendelten Abschnitt, der für den Aufbau der Abstrahlung am kritischsten ist, und einem durch ein Kunststoffrohr gebildeten zentralen Körper, in dem ein mit dem unteren Ende der Wendel verbundener linearer Leiter angeordnet ist.From EP-A-0 070 150 a radio transceiver is known, which is housed in a single housing and has a high-frequency connection with a high-frequency terminal, which is coupled to a tuned main antenna. The radiation of the main antenna is improved with the help of a radiating auxiliary antenna as a counterweight in the lower part of the walkie-talkie. The main antenna consists of a coiled section, which is most critical for the structure of the radiation, and a central body formed by a plastic tube, in which a linear conductor connected to the lower end of the coil is arranged.

Ferner ist durch die US-A-3 522 608 eine Teleskop-VHF-UHF-Antenne für einen Fernsehempfänger bekannt, die in verschiedener Weise schwenkbar und einschiebbar ist.Furthermore, US-A-3 522 608 discloses a telescopic VHF-UHF antenna for a television receiver which can be pivoted and inserted in various ways.

Der Erfindung liegt die Aufgabe zugrunde, eine Lösung zu schaffen, mit der diese Probleme in einfacher Weise ausgeräumt werden können.The invention has for its object to provide a solution with which these problems can be easily eliminated.

Diese Aufgabe wird bei einem Funksprechgerät der eingangs beschriebenen Art gemäß der Erfindung gelöst durch eine Erhöhung des Fußpunktes der wirksamen Antenne derart, daß die Antenne aus einem mit dem Gerätegehäuse verbundenen nicht strahlenden Abstandshalter und einem daran angeschlossenen wirksamen Teil als Antennenstrahler besteht.This object is achieved in a walkie-talkie of the type described at the outset according to the invention by increasing the base of the effective antenna in such a way that the antenna consists of a non-radiating spacer connected to the device housing and an active part connected to it as an antenna radiator.

Durch die Fußpunkterhöhung der wirksamen Antenne wird erreicht, daß sich der Antennenstrahler über der Kopfoberkante befindet und somit nur noch eine unbedeutende physiologische Beeinflussung ausübt. Zudem kann die Antenne ihre optimale Richtcharakteristik entfalten.By increasing the base of the effective antenna, it is achieved that the antenna radiator is located above the top edge of the head and thus exerts only an insignificant physiological influence. In addition, the antenna can develop its optimal directional characteristic.

Vorteilhafte Ausgestaltungen und Weiterbildungen des Erfindungsgegenstandes sind in den Unteransprüchen angegeben.Advantageous refinements and developments of the subject matter of the invention are specified in the subclaims.

Nachstehend wird die Erfindung anhand von in der Zeichnung dargestellen Ausführungsbeispielen näher erläutert.The invention is explained in more detail below on the basis of exemplary embodiments illustrated in the drawing.

Figur 1 zeigt eine Ausführungsform mit einer schwenkbaren Antenne. Die Antenne besteht aus einem verlängerten, nichtstrahlenden Antennenfuß 2 (Abstandshalter) und einem strahlendem Antennenteil von beispielsweise λ/2 Länge. Die Antenne ist seitlich am Gerätegehäuse 1 angebracht und über ein Gelenk 4 schwenkbar. Durch Schwenken der Antenne in Pfeilrichtung kann sie in Ruhestellung in eine seitlich am Gerätegehäuse liegende Position gebracht werden (strichlierte Darstellung).Figure 1 shows an embodiment with a pivotable antenna. The antenna consists of an elongated, non-radiating antenna base 2 (spacer) and a radiating antenna part of, for example, λ / 2 length. The antenna is attached to the side of the device housing 1 and can be pivoted via a joint 4. By swiveling the antenna in the direction of the arrow, it can be brought into a position on the side of the device housing in the rest position (dashed line).

Figur 2 zeigt eine Ausführungsform mit einer Doppelgelenkantenne (Faltantenne). Das erste Antennengelenkteil 2 ist ein Abstandshalter, während der zweite Gelenkabschnitt 3 den wirksamen Teil der Antenne (Strahler) darstellt. Die gesamte Antennenkonstruktion wird über ein Koaxdrehgelenk 4 mit dem in der Figur nur teilweise dargestellten Gerätegehäuse 1 lösbar verbunden. Zwischen dem ersten und dem zweiten Teil (Abstandshalter 2 und Strahler 3) ist ein rastendes Koaxdrehgelenk 5 angebracht.Figure 2 shows an embodiment with a double joint antenna (folding antenna). The first antenna joint part 2 is a spacer, while the second joint section 3 is the effective part of the antenna (radiator). The entire antenna construction is detachably connected via a coaxial swivel joint 4 to the device housing 1, which is only partially shown in the figure. A locking coaxial swivel joint 5 is attached between the first and the second part (spacer 2 and radiator 3).

Die Antenne ist im eingeklappptes Zustand (der Abstandshalter 2 liegt an der Geräteoberseite an, der Strahler 3 an der in der Figur linken Gerätegehäuseseite) völlig in das Gehäusedesign integriert. Damit kann das Geräte optimal transportiert werden. Eine Beschädigung im Transportzustand (z. B. in einer Tasche) wird dadurch weitestgehend vermieden. In diesem eingeklappten Zustand ist die Antenne eingeschränkt funktionsfähig. Durch eine Drehung des Strahlers 3 um 180° wird die "stand by"-Position der Antenne erreicht. Der Strahler 3 befindet sich hierbei in einer Position, die in Verlängerung der linken Gerätegehäuseseite verläuft. In Gebieten mit einer guten Netz-Infrastruktur kann in dieser Antennenposition auch telefoniert werden, wenn beispielsweise das Sprechfunkgerät auf einer Plattform abgestellt ist.The antenna is fully integrated into the housing design in the folded state (the spacer 2 lies on the top of the device, the radiator 3 on the left side of the device housing in the figure). This allows the device to be transported optimally. Damage during transport (e.g. in a bag) is largely avoided. In this folded state, the antenna has limited functionality. The "stand by" position of the antenna is achieved by rotating the radiator 3 by 180 °. The radiator 3 is in a position that extends the left side of the device housing. In areas with a good network infrastructure, calls can also be made in this antenna position if, for example, the radio is parked on a platform.

Durch eine weitere Parallelverschiebung des Strahlers 3 wird die in Figur 2 dargestellte ausgeklappte Endposition erreicht.The extended end position shown in FIG. 2 is reached by a further parallel displacement of the radiator 3.

Neben den in den Figuren 1 und 2 dargestellten Versionen einer schwenkbaren und faltbaren Antenne läßt sich die Antenne auch als Teleskopantenne ausbilden, die einen verlängerten, nichtstrahlenden Fuß aufweist und in eine Ausnehmung in Längsrichtung des Gerätegehäuses einschiebbar ist. Ferner kann die Antenne auch als aufschraubbare oder aufsteckbare Version ausgebildet werden.In addition to the versions of a pivotable and foldable antenna shown in Figures 1 and 2, the antenna can also be designed as a telescopic antenna which has an elongated, non-radiating foot and can be inserted into a recess in the longitudinal direction of the device housing. Furthermore, the antenna can also be designed as a screw-on or plug-on version.

Claims (8)

  1. Transceiver with a transmitter/receiver and an associated device antenna, characterized by an increase in the base point of the effective antenna such that the antenna comprises a non-radiating spacing element (2) which is connected to the housing (1) of the device and an effective component (3) which is connected thereto as an antenna radiator.
  2. Transceiver according to Claim 1, characterized in that the antenna is constructed as a single-joint or multijoint antenna with an articulated connection (4) of the spacing element (2) to the housing (1) of the device.
  3. Transceiver according to Claim 2, characterized in that, when the antenna is designed as a double-joint antenna, the first articulated antenna component is formed by the spacing element (2) and the second articulated section is formed by the radiator (3).
  4. Transceiver according to Claim 3, characterized in that the joint (4) between spacing element (2) and radiator (3) is a locking rotational joint.
  5. Transceiver according to Claim 1, characterized in that the antenna is swivelably arranged on the housing (1) of the device.
  6. Transceiver according to Claim 1, characterized in that the antenna can be inserted into a recess which runs in the longitudinal direction of the housing (1) of the device.
  7. Transceiver according to Claim 1, characterized in that the antenna is arranged on the housing (1) of the device so as to be capable of being fitted on or plugged on.
  8. Transceiver according to one of Claims 1 to 7, characterized in that the spacing element (2) comprises a coaxial component.
EP92105634A 1991-04-10 1992-04-01 Portable transceiver with relevant device antenna Expired - Lifetime EP0508299B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4111717 1991-04-10
DE4111717 1991-04-10

Publications (2)

Publication Number Publication Date
EP0508299A1 EP0508299A1 (en) 1992-10-14
EP0508299B1 true EP0508299B1 (en) 1996-02-07

Family

ID=6429296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92105634A Expired - Lifetime EP0508299B1 (en) 1991-04-10 1992-04-01 Portable transceiver with relevant device antenna

Country Status (5)

Country Link
EP (1) EP0508299B1 (en)
AT (1) ATE134073T1 (en)
DE (1) DE59205270D1 (en)
DK (1) DK0508299T3 (en)
ES (1) ES2083013T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19723331B4 (en) * 1997-06-04 2010-11-11 Ipcom Gmbh & Co. Kg radio set

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US5926748A (en) * 1993-07-23 1999-07-20 Nec Corporation Portable radio apparatus capable of keeping antenna away from user when calling
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US5523766A (en) * 1993-11-05 1996-06-04 At&T Corp. Apparatus for maintaining antenna polarization in portable communication devices
JP2689881B2 (en) * 1993-12-28 1997-12-10 日本電気株式会社 Antenna rotary mobile radio
DE4411583A1 (en) * 1994-03-30 1995-10-05 Deutsche Bundespost Telekom Antenna for mobile handheld device with reduced radiation exposure to the user
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US5535435A (en) * 1994-07-11 1996-07-09 Motorola, Inc. Communication device using antenna having an offset
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JP3674172B2 (en) * 1995-09-22 2005-07-20 三菱電機株式会社 Antenna device
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19723331B4 (en) * 1997-06-04 2010-11-11 Ipcom Gmbh & Co. Kg radio set

Also Published As

Publication number Publication date
EP0508299A1 (en) 1992-10-14
ATE134073T1 (en) 1996-02-15
DK0508299T3 (en) 1996-03-18
ES2083013T3 (en) 1996-04-01
DE59205270D1 (en) 1996-03-21

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