EP1287584B1 - Mobile telecommunications terminal - Google Patents

Mobile telecommunications terminal Download PDF

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Publication number
EP1287584B1
EP1287584B1 EP01943107A EP01943107A EP1287584B1 EP 1287584 B1 EP1287584 B1 EP 1287584B1 EP 01943107 A EP01943107 A EP 01943107A EP 01943107 A EP01943107 A EP 01943107A EP 1287584 B1 EP1287584 B1 EP 1287584B1
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EP
European Patent Office
Prior art keywords
housing
strap
telecommunications terminal
radiation source
mobile telecommunications
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
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EP01943107A
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German (de)
French (fr)
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EP1287584A1 (en
Inventor
Rainer Eckert
Lothar Mamier
Matthias Roski
Andreas Huber
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Siemens AG
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Siemens AG
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Publication of EP1287584A1 publication Critical patent/EP1287584A1/en
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    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G21/00Input or output devices integrated in time-pieces
    • G04G21/04Input or output devices integrated in time-pieces using radio waves
    • GPHYSICS
    • G04HOROLOGY
    • G04RRADIO-CONTROLLED TIME-PIECES
    • G04R60/00Constructional details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/245Supports; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/27Adaptation for use in or on movable bodies
    • H01Q1/273Adaptation for carrying or wearing by persons or animals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna

Definitions

  • the invention relates to a mobile telecommunication terminal, which is worn on or near a body part or is attached, and this one or more parts Having band connected to the device housing, according to the preamble of claim 1.
  • the one or Multi-part tape can also be used as a one or more parts Belt or belt be formed.
  • the Anycall designated Telephone clock has dimensions of substantially 67'x 58 x 20 mm and combines all the necessary electronic and Display elements.
  • the antenna arrangement of the Anycall telephone clock extends laterally away from the watch case and strap above the arm, but is quite close to the surface of this Body part oriented.
  • Antenna arrangement for mobile telecommunication terminals Specify in particular for devices which on one or in be worn or attached near a body part.
  • the antenna arrangement should continue according to the invention for miniaturized telecommunication terminals, In particular, find such application, the worn and used in the manner of a wristwatch.
  • the antenna of the arrangement is designed as a surface or rod-shaped radiator formed and at the top on or in the housing, extending away from the body part, fixed.
  • the band to attach of the telecommunication terminal on a body part of a Carrier is struck below the radiator on the housing, so that e.g. there necessary metallic pin the Antenna characteristic is not adversely affected because of this is inside the feed point.
  • the housing can ausgestaltend a top and a lower part have, wherein the antenna starting from the upper part extends laterally in the direction of the band and the tape attached to the housing bottom becomes.
  • the at least one radiator for forming the antenna can structurally in a watch case, in particular watch case upper part integrated or part of the housing, with several Emit this essentially opposite on Watch case arranged and below the spotlight the Fastener for the bracelet provided on the housing are. This results in advantages in watch design and in the Comfort.
  • the radiator distance to the arm of the wearer or the spotlights are articulated and swiveling and on the Watch case be attached.
  • the metallic surface to form a Counterweight and intended for reflection and between Emitter and shield of the antenna adapter section formed.
  • the electrical contacting of the metallic surface takes place preferably in the area of the radiator foot point and essentially oriented to the radiator longitudinal axis, what with the help a conventional metallic axis, which in recesses on Watch case is guided, can be realized. Also will this is an undesirable change in the radiation characteristic the antenna effectively avoided.
  • Fig. 2 and Fig. 4 make it clear that the at Shown embodiment shown unilaterally emitters 2 is located above the bracelet 4 and an optimal Distance from the surface of the arm 5, so that an undesirable Penetration of high frequency radiation and absorbing this is minimized.
  • the radiator 2 is designed as a surface or rod-shaped radiator and preferably fixed to the upper housing part 7.
  • the housing-side end of the bracelet 4 has a metallic surface 8 as an antenna counterweight and to reduce the penetration of high-frequency radiation in the arm fifth
  • radiator 2 and metallic surface. 8 a connected to the housing 1 or a housing part comprehensive antenna matching section (not shown) be, wherein the electrical contact of the metallic Surface 8 via a conductive pin joint for mounting of the bracelet 4 takes place on the housing 1.
  • the radiator 2 is on one side, starting from the bracelet 4 upwardly extending, formed, wherein another embodiment of two opposite Emitters that are fixed to the upper housing part, gone out becomes. It is also possible that the or the radiator structurally in a non-metallic housing, in particular in the upper part 7 are integrated.
  • the spotlight (s) pivotable and pivotable on the watch case, especially at the top 7 to strike.
  • the distance between radiator 2 and the metallic surface 8 of the bracelet 4 substantially ⁇ / 20th This distance corresponds to the UMTS frequency range according to IMT-2000 standard from 1885 to 2025 MHz about 0.5 up to 0.7 cm.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Aerials (AREA)

Description

Die Erfindung betrifft ein mobiles Telekommunikations-Endgerät, welches an einem oder in der Nähe eines Körperteils getragen oder befestigt wird, und hierfür ein ein- oder mehrteiliges Band aufweist, das mit dem Gerätegehäuse verbunden ist, gemäß Oberbegriff des Patentanspruchs 1. Das ein- oder mehrteilige Band kann auch als ein ein- oder mehrteiliger Gurt oder Riemen ausgebildet sein.The invention relates to a mobile telecommunication terminal, which is worn on or near a body part or is attached, and this one or more parts Having band connected to the device housing, according to the preamble of claim 1. The one or Multi-part tape can also be used as a one or more parts Belt or belt be formed.

In den letzten Jahren sind Entwicklungen sogenannter Handyphone oder Wristphone-Systeme bekannt geworden, welche davon ausgehen, ein Telekommunikations-Gerät nach Art einer Armbanduhr zu tragen und nutzen zu können. Beispielsweise sei hier auf das PHS Personal Handyphone System der NTT Nippon Telephone and Telegraph verwiesen, das ein mobiles Telefon im Armbanduhr-Format zeigt. Ein Zukunftsentwurf der Firma Philips stellt ebenfalls auf ein Telefon im Armbanduhr-Format ab, mit dem sich Daten aus dem Internet abrufen, Bildtelefon-Gespräche führen und Software- oder Videoclips übertragen lassen. Diese Applikation soll durch eine neue Siliziumchip-Technologie möglich werden. Hier wird auf die sogenannte QUBiC 3-Technologie zur Chipherstellung verwiesen, wobei derartige Chips in der Lage sind, schnell große Datenmengen verarbeiten zu können, wie dies beispielsweise in der Video-Technik benötigt wird.In recent years, developments of so-called mobile phones or Wristphone systems have become known which of them go out, a telecommunications device like a wristwatch to wear and use. For example here on the PHS Personal Mobile Phone System NTT Nippon Telephone and Telegraph referenced a mobile phone in the Wristwatch format shows. A future design of the company Philips also puts on a phone in wristwatch format from which retrieve data from the Internet, videophone conversations lead and transfer software or video clips to let. This application is intended by a new silicon chip technology be possible. Here is on the so-called QUBiC 3 technology for chip production referenced, such Chips are able to quickly process large amounts of data to be able to, as for example in the video technology is needed.

Eine neuere Entwicklung ist weiterhin die Telefonuhr der koreanischen Firma Samsung. Die mit Anycall bezeichnete Telefonuhr besitzt Abmessungen von im wesentlichen 67'x 58 x 20 mm und vereinigt alle notwendigen elektronischen und Anzeigeelemente. Die Antennenanordnung der Anycall-Telefonuhr erstreckt sich seitlich vom Uhrengehäuse und vom Armband weg oberhalb des Arms, ist aber recht dicht zur Oberfläche dieses Körperteils orientiert.A recent development is still the telephone clock of Korean company Samsung. The Anycall designated Telephone clock has dimensions of substantially 67'x 58 x 20 mm and combines all the necessary electronic and Display elements. The antenna arrangement of the Anycall telephone clock extends laterally away from the watch case and strap above the arm, but is quite close to the surface of this Body part oriented.

Es hat sich jedoch gezeigt, daß bei derartigen Telekommunikations-Endgeräten im Uhrenformat die bisherigen Ausführungen der notwendigen Antennen Strahlung in den Arm des Trägers einkoppeln mit der Folge einer unerwünschten Absorption, d.h. verschlechtertem Antennengewinn und möglichen körperlichen Schäden. Armbanduhren mit Antennen sind ebentalls aus JP-A-06188809 und EP-A-1113346 (Artikel 54(3) EPÜ) bekannt.However, it has been found that in such telecommunication terminals in watch format the previous versions the necessary antennas radiation in the arm of the wearer coupled with the consequence of undesired absorption, i. deteriorated antenna gain and possible physical Damage. Wrist watches with antennas are also out JP-A-06188809 and EP-A-1113346 (Article 54 (3) EPC).

Dieser Nachteil ist insbesondere dann relevant, wenn bei der gewünschten weiteren Verkleinerung von Telekommunikations-Endgeräten im Uhrenformat allein durch die Skalierung die Antenne dichter an das Körperteil, an welchem die Befestigung erfolgt, heranrückt.This disadvantage is particularly relevant when in the desired further reduction of telecommunications terminals in the clock format alone by scaling the Antenna closer to the body part to which the attachment done, come on.

Zur Vermeidung einer unerwünschten Strahlungseinkopplung wurde bei klassischen Mobiltelefonen bereits vorgeschlagen, diese mit einem Klapp- oder Schiebemechanismus auszustatten dergestalt, daß im Stand-by-Betrieb Teile der Funktionselemente, z.B. die Eingabetastatur abgedeckt bleiben, wodurch sich sowohl ein Schutz der Bedienelemente ergibt als auch durch die insbesondere klapp- oder schiebbare Gehäusehälfte eine Bauraumreduzierung einstellt. Im Betriebsfall kann ein Gehäuseteil in Richtung Strahler verschoben werden, um eine Schirmfläche zu schaffen, die sich dann zwischen dem Kopf des Benutzers und der Energie abstrahlenden Antenne befindet. Bei einer solchen Konfiguration treten jedoch unerwünschte Veränderungen der Empfangs- und Sendeeigenschaften auf. Dies wird dann verstärkt, wenn in dem verschiebbaren Gehäuseteil nicht optimierte Metallflächen und/oder zusätzliche aktive elektronische Bauelemente angeordnet sind.To avoid unwanted radiation coupling has already been proposed in classic cell phones to equip them with a folding or sliding mechanism such that, in stand-by mode, parts of the functional elements, e.g. the input keyboard remain covered, causing Both protection of the controls results as well by the particular folding or sliding housing half adjusts a space reduction. In the case of operation can a Housing part can be moved towards the spotlight to a To create a screen surface, which is then between the head of the User and the energy radiating antenna is located. at However, such a configuration is subject to undesirable changes the reception and transmission characteristics. this will then reinforced if not in the sliding housing part optimized metal surfaces and / or additional active electronic Components are arranged.

Aus dem Vorgenannten ist es daher Aufgabe der Erfindung, eine Antennenanordnung für mobile Telekommunikations-Endgeräte, insbesondere für Geräte anzugeben, welche an einem oder in der Nähe eines Körperteils getragen oder befestigt werden. From the foregoing, it is therefore an object of the invention, a Antenna arrangement for mobile telecommunication terminals, Specify in particular for devices which on one or in be worn or attached near a body part.

Hier soll erfindungsgemäß auf der einen Seite ein optimaler Wirkungsgrad der Antenne gegeben sein und andererseits ein unerwünschtes Eindringen von hochfrequenter Strahlung in das Körperteil vermieden werden. Die Antennenanordnung soll weiterhin erfindungsgemäß für miniaturisierte Telekommunikations-Endgeräte, insbesondere solchen Anwendung finden, die nach Art einer Armbanduhr getragen und benutzt werden.Here, according to the invention, on the one hand, an optimal Given the efficiency of the antenna and on the other hand unwanted ingress of high frequency radiation into the Body part can be avoided. The antenna arrangement should continue according to the invention for miniaturized telecommunication terminals, In particular, find such application, the worn and used in the manner of a wristwatch.

Die Lösung der Aufgabe der Erfindung erfolgt demgemäß mit einem mobilen Telekommunikations-Endgerät nach den Merkmalen des Patentanspruchs 1, wobei die Unteransprüche zweckmäßige Ausgestaltungen und Weiterbildungen umfassen.The object of the invention is accordingly achieved with a mobile telecommunication terminal according to the features of the claim 1, wherein the dependent claims appropriate Embodiments and developments include.

Beim mobilen Telekommunikations-Endgerät nach Anspruch 1 setzt das Befestigungsmittel für das Telekommunikations-Endgerät unterhalb der Antenne, d.h. des flächen- oder stabförmigen Strahlers an und die Antenne selbst ragt über das Befestigungsmittel, z.B. Armband, nach oben hinaus. Daher liegt die Antenne weder seitlich am Arm an, noch ist sie Teil des Armbands. Durch den vorgesehenen Abstand zwischen Antenne bzw. Strahler und Arm und durch eine erfindungsgemäß metallische Fläche wird die unerwünschte Einstrahlung in das Körperteil minimiert und es erhöht sich gleichzeitig der Tragekomfort der Anordnung, da die flächenmäßige Ausdehnung des Gehäuses des Telekommunikations-Endgeräts bezogen auf den Kontaktbereich zum Arm nicht vergrößert werden muß.When mobile telecommunication terminal according to claim 1 sets the fastener for the telecommunication terminal below the Antenna, i. of the surface or rod-shaped radiator and the antenna itself protrudes over the fastener, e.g. Bracelet, upwards. Therefore If the antenna is neither on the side of the arm, it is still part of the bracelet. By the provided distance between antenna or radiator and arm and through a metallic surface according to the invention minimizes unwanted radiation into the body part and it increases the comfort of the same time Arrangement, since the areal extent of the housing of the Telecommunications terminal based on the contact area to the arm does not need to be increased.

In der Ausgestaltung der Erfindung ist am befestigungsseitigen Ende des Armbands die reflektierende metallische Fläche vorhanden. Einer Veränderung der Fußpunktimpedanz durch diese metallische Fläche kann dadurch entgegengewirkt, daß zwischen metallischer Fläche und Strahler ein Antennenanpassungs-Abschnitt vorgesehen ist, der zu einer gemeinsamen Hochfrequenz-Masse führt. In the embodiment of the invention is on the mounting side End of the bracelet the reflective metallic Area available. A change in foot point impedance this metal surface can be counteracted by that between metallic surface and radiator Antenna adaptation section is provided, which leads to a common high-frequency ground leads.

Wie erläutert, ist die Antenne der Anordnung als flächenoder stabförmiger Strahler ausgebildet und an der Oberseite am oder im Gehäuse, vom Körperteil sich weg erstreckend, fixiert. Das Band zum Befestigen des Telekommunikations-Endgeräts an einem Körperteil eines Trägers wird unterhalb des Strahlers am Gehäuse angeschlagen, so daß ein z.B. dort notwendiger metallischer Stift die Antennencharakteristik nicht negativ beeinflußt, weil dieser sich innerhalb des Speisepunkts befindet.As explained, the antenna of the arrangement is designed as a surface or rod-shaped radiator formed and at the top on or in the housing, extending away from the body part, fixed. The band to attach of the telecommunication terminal on a body part of a Carrier is struck below the radiator on the housing, so that e.g. there necessary metallic pin the Antenna characteristic is not adversely affected because of this is inside the feed point.

Das Gehäuse kann ausgestaltend ein Oberteil und ein Unterteil aufweisen, wobei die Antenne vom Oberteil ausgehend sich seitlich in Richtung des Bandes erstreckt und das Band am Gehäuseunterteil befestigt wird.The housing can ausgestaltend a top and a lower part have, wherein the antenna starting from the upper part extends laterally in the direction of the band and the tape attached to the housing bottom becomes.

Die elektrische Kontaktierung des Antennen-Gegengewichts respektive der metallischen Fläche zur Vermeidung des Eindringens hochfrequenter Strahlung in das Körperteil ist über ein leitfähiges Stiftgelenk realisiert, wobei dieses Stiftgelenk üblichen Mitteln zum Befestigen eines Bandes am Gehäuse entsprechen kann.The electrical contacting of the antenna counterweight respectively the metallic surface to prevent penetration high-frequency radiation in the body part is over realized a conductive pin joint, this pin joint usual means for attaching a tape to the housing can correspond.

Der mindestens eine Strahler zur Bildung der Antenne kann baulich in ein Uhrengehäuse, insbesondere Uhrengehäuse-Oberteil integriert oder Teil des Gehäuses sein, wobei bei mehreren Strahlern diese im wesentlichen gegenüberliegend am Uhrengehäuse angeordnet und unterhalb der Strahler die Befestigungsmittel für das Armband am Gehäuse vorgesehen sind. Hierdurch ergeben sich Vorteile beim Uhrendesign und im Tragekomfort.The at least one radiator for forming the antenna can structurally in a watch case, in particular watch case upper part integrated or part of the housing, with several Emit this essentially opposite on Watch case arranged and below the spotlight the Fastener for the bracelet provided on the housing are. This results in advantages in watch design and in the Comfort.

In einer Ausführungsform der Erfindung kann zur weiteren Vergrößerung des Strahlerabstands zum Arm des Trägers der oder die Strahler gelenkig und verschwenkbar ausgeführt und am Uhrengehäuse befestigt sein. In one embodiment of the invention, for further enlargement the radiator distance to the arm of the wearer or the spotlights are articulated and swiveling and on the Watch case be attached.

Bei der bevorzugten Ausführungsform der Antennenanordnung für ein sogenanntes Wristphone ist am befestigungsmittelseitigen Ende des Armbands die metallische Fläche zur Bildung eines Gegengewichts und zur Reflexion vorgesehen und zwischen Strahler und Schirm der Antennenanpassungs-Abschnitt ausgebildet.In the preferred embodiment of the antenna arrangement for a so-called Wristphone is on the fastener side End of the bracelet the metallic surface to form a Counterweight and intended for reflection and between Emitter and shield of the antenna adapter section formed.

Die elektrische Kontaktierung der metallischen Fläche erfolgt bevorzugt im Bereich des Strahler-Fußpunkts und im wesentlichen zur Strahler-Längsachse orientiert, was mit Hilfe einer üblichen metallischen Achse, die in Ausnehmungen am Uhrengehäuse geführt ist, realisiert werden kann. Auch wird hierbei eine unerwünschte Veränderung der Strahlungscharakteristik der Antenne wirksam vermieden.The electrical contacting of the metallic surface takes place preferably in the area of the radiator foot point and essentially oriented to the radiator longitudinal axis, what with the help a conventional metallic axis, which in recesses on Watch case is guided, can be realized. Also will this is an undesirable change in the radiation characteristic the antenna effectively avoided.

Durch die vorgestellte Möglichkeit der Anordnung von Strahler, Anpassungsabschnitt und metallischer Fläche am Band, wobei die interne Kontaktierung zur zentralen HF-Masse bezogen auf den Antennen-Fußpunkt variabel ist, läßt sich eine kapazitive Komponente bilden, mit deren Hilfe eine Feinabstimmung der Antennenanpassung möglich ist. Auf diese Weise gelingt es zusätzlich, die Fußpunktanpassung eines Hochfrequenz-Strahlers auch dann zu optimieren, wenn im Nahfeldbereich des Strahlers absorbierende metallische Komponenten in Form leitender Flächen vorhanden sind. Weiterhin wird die im Nahfeldbereich, d.h. zum Körperteil des Nutzers hin auftretende Feldstärke reduziert, so daß sich die spezifische Absorptionsrate (SAR) am Körperteil reduziert. Hinsichtlich des Fernfelds ist die Beeinflussung der Abstrahlungscharakteristik im Verhältnis zu einem ungestörten Strahler unwesentlich, da mit der vorgestellten Anordnung ein resonantes System bereitgestellt wird, das optimale Anpaßwerte gewährleistet.Due to the presented possibility of arranging spotlights, Adaptation section and metallic surface on the belt, where the internal contact to the central RF ground is variable with respect to the antenna base, can be form a capacitive component, with the help of a Fine tuning of the antenna adaptation is possible. To this Way succeeds in addition, the Fußpunktanpassung a High frequency emitter also optimize when in near field the radiator absorbing metallic components are present in the form of conductive surfaces. Continue those in the near field area, i. towards the body part of the user occurring field strength reduced, so that the specific Absorption rate (SAR) reduced on the body part. Regarding of the far field is influencing the radiation characteristic insignificant in relation to an undisturbed spotlight, because with the presented arrangement a resonant System is provided which ensures optimal adaptation values.

Die Erfindung soll anhand eines Ausführungsbeispiels sowie unter Zuhilfenahme von Figuren näher erläutert werden. The invention is based on an embodiment as well be explained in more detail with the aid of figures.

Hierbei zeigen:

Fig. 1
ein Ausführungsbeispiel eines Telekommunikations-Endgeräts nach Art einer Armbanduhr mit Ansicht auf das Gehäuseunterteil mit Befestigungspunkt für einen Teil des Armbands sowie oberseitig vorgesehener Antenne;
Fig. 2
eine Seitenansicht eines Wristphones mit weiterem Teil des Armbands vor dem Einsetzen in Ausnehmungen am Gehäuseunterteil;
Fig. 3
eine Darstellung ähnlich Fig. 1, jedoch mit befestigtem weiteren Armbandteil und oberhalb der metallischen Fläche des Armbandteils befindlicher Antenne bzw. Strahler; und
Fig. 4
ein am Am eines Nutzers befestigtes Wristphone mit der speziellen Antennenanordnung.
Hereby show:
Fig. 1
an embodiment of a telecommunication terminal in the manner of a wristwatch with a view of the lower housing part with attachment point for a part of the bracelet and the upper side provided antenna;
Fig. 2
a side view of a Wristphone with further part of the bracelet before insertion into recesses on the housing base;
Fig. 3
a representation similar to Figure 1, but with attached another bracelet part and above the metallic surface of the bracelet part befindlicher antenna or emitter. and
Fig. 4
a Wristphone attached to the Am of a user with the special antenna arrangement.

Bei den Figuren ist das Gehäuse des Wristphones mit dem Bezugszeichen 1 versehen, wobei seitlich vom Gehäuse 1 in Richtung des Armbands 4 sich mindestens ein Strahler 2 erstreckt. Am Gehäuseunterteil 6 sind Befestigungspunkte 3 für die Teile des Armbands 4 vorgesehen.In the figures, the case of the Wristphone with the Reference numeral 1 provided, wherein the side of the housing 1 in Direction of the bracelet 4 is at least one radiator. 2 extends. On the lower housing part 6 are attachment points. 3 provided for the parts of the bracelet 4.

Insbesondere Fig. 2 und Fig. 4 machen deutlich, daß der beim gezeigten Ausführungsbeispiel einseitig vorgesehene Strahler 2 oberhalb des Armbands 4 befindlich ist und einen optimalen Abstand zur Oberfläche des Armes 5 aufweist, so daß ein unerwünschtes Eindringen hochfrequenter Strahlung und Absorbieren dieser minimiert wird.In particular, Fig. 2 and Fig. 4 make it clear that the at Shown embodiment shown unilaterally emitters 2 is located above the bracelet 4 and an optimal Distance from the surface of the arm 5, so that an undesirable Penetration of high frequency radiation and absorbing this is minimized.

Der Strahler 2 ist als flächen- oder stabförmiger Strahler ausgebildet und bevorzugt am Gehäuseoberteil 7 fixiert.
Das gehäuseseitige Ende des Armbands 4 besitzt eine metallische Fläche 8 als Antennen-Gegengewicht und zur Verringerung des Eindringens hochfrequenter Strahlung in den Arm 5.
The radiator 2 is designed as a surface or rod-shaped radiator and preferably fixed to the upper housing part 7.
The housing-side end of the bracelet 4 has a metallic surface 8 as an antenna counterweight and to reduce the penetration of high-frequency radiation in the arm fifth

Weiterhin kann zwischen Strahler 2 und metallischer Fläche 8 ein mit dem Gehäuse 1 verbundener oder einen Gehäuseteil umfassender Antennenanpassungs-Abschnitt (nicht gezeigt) vorgesehen sein, wobei die elektrische Kontaktierung der metallischen Fläche 8 über ein leitfähiges Stiftgelenk zum Befestigen des Armbands 4 am Gehäuse 1 erfolgt.Furthermore, between radiator 2 and metallic surface. 8 a connected to the housing 1 or a housing part comprehensive antenna matching section (not shown) be, wherein the electrical contact of the metallic Surface 8 via a conductive pin joint for mounting of the bracelet 4 takes place on the housing 1.

Bei den Fig. 1 bis 4 ist der Strahler 2 einseitig, sich ausgehend vom Armband 4 nach oben erstreckend, ausgebildet, wobei eine weitere Ausführungsform von zwei gegenüberliegenden Strahlern, die am Gehäuseoberteil fixiert sind, ausgegangen wird. Ebenso besteht die Möglichkeit, daß der oder die Strahler baulich in ein nichtmetallisches Gehäuse, insbesondere in das Oberteil 7 integriert sind.In FIGS. 1 to 4, the radiator 2 is on one side, starting from the bracelet 4 upwardly extending, formed, wherein another embodiment of two opposite Emitters that are fixed to the upper housing part, gone out becomes. It is also possible that the or the radiator structurally in a non-metallic housing, in particular in the upper part 7 are integrated.

Zur Veränderung und Einstellung des Strahlerabstands zum Arm des Trägers oder zur Feinanpassung besteht die Möglichkeit, den oder die Strahler gelenkig und verschwenkbar am Uhrengehäuse, insbesondere am Oberteil 7 anzuschlagen.For changing and adjusting the spotlight distance to the arm the wearer or for fine-tuning, it is possible to the spotlight (s) pivotable and pivotable on the watch case, especially at the top 7 to strike.

Beim gezeigten Beispiel beträgt der Abstand zwischen Strahler 2 und der metallischen Fläche 8 des Armbands 4 im wesentlichen λ/20. Dieser Abstand entspricht im UMTS-Frequenzbereich nach IMT-2000 Standard von 1885 bis 2025 MHz etwa 0,5 bis 0,7 cm.In the example shown, the distance between radiator 2 and the metallic surface 8 of the bracelet 4 substantially λ / 20th This distance corresponds to the UMTS frequency range according to IMT-2000 standard from 1885 to 2025 MHz about 0.5 up to 0.7 cm.

Aus den Darstellungen ist ersichtlich, daß im Gegensatz zu bekannten Antennenkonfigurationen der Strahler sich nicht in Armlängsrichtung und dicht an dessen Oberfläche verlaufend erstreckt, sondern quasi frei nach oben steht und vom Arm weg weist. Hierdurch ist sowohl die Strahlungscharakteristik verbessert, als auch die spezifische Absorptionsrate wesentlich günstiger als bei unmittelbar am Arm aufliegenden Antennen oder Antennen, bei denen der aktive Strahler Teil des Armbands ist. From the representations it can be seen that in contrast to known antenna configurations of the emitters are not in Arm longitudinal direction and running close to the surface extends, but virtually free up and away from the arm has. As a result, both the radiation characteristic is improved, as well as the specific absorption rate essential cheaper than with directly on the arm resting antennas or antennas where the active radiator is part of the bracelet is.

Durch die Kombination Anordnung des Strahlers, Ausbildung einer metallischen Fläche unterhalb des Strahlers bevorzugt als Teil des Armbands und einer dazwischen befindlichen Anpassung, die beispielsweise in Form einer weiteren metallischen Fläche ausgebildet sein kann, wird eine Möglichkeit zur Bildung eines resonanten Strahlersystems geschaffen. Durch die Wahl der Antennenenanpassungs-Kontaktverbindung, die im Gehäuseinneren ausgeführt ist, besteht weiterhin die Möglichkeit, unter Berücksichtigung der Symmetrieverhältnisse gewünschte Strahlungscharakteristika der Antenne einzustellen.By combining arrangement of the spotlight, training a metallic surface below the radiator is preferred as part of the bracelet and one in between Adaptation, for example, in the form of another metallic Area can be formed, will be a possibility Forming a resonant radiator system created. By the choice of antenna matching contact connection used in the Housing interior is carried out, there is still the possibility desired, taking into account the symmetry relationships Set radiation characteristics of the antenna.

Claims (10)

  1. Mobile telecommunications terminal, which can be worn or attached on or in proximity to a body part (5) and comprises a strap (4) with a single part or a plurality of parts for this purpose, which is connected to the terminal housing (1), whereby the telecommunications terminal comprises an antenna, which is configured as a monoplane or linear radiation source (2) and is fixed on the upper side on or in the housing (1) extending away from the body part (5), the strap is attached to the housing (1) below the radiation source (2) in the operating direction and the radiation source (2) extends laterally towards the strap (4),
    characterized in that
    a metal surface (8) is present below the radiation source (2) at the end of the strap (4) closest to the housing to act as an antenna counterweight and to reduce the penetration of high-frequency radiation into the body part (5).
  2. Mobile telecommunications terminal according to Claim 1,
    characterized in that
    the housing comprises an upper part (7) and a lower part (6), whereby the antenna extends laterally from the upper part (7) towards the strap (4) and the strap (4) is attached to the lower part of the housing (6).
  3. Mobile telecommunications terminal according to Claim 1 or 2,
    characterized in that
    an antenna matching section connected to the housing (1) or comprising a part of the housing is provided between the radiation source (2) and metal surface (8) of the strap (4), whereby electrical contact with the antenna counterweight is effected via a conductive pin joint for attaching the strap (4) to the housing (1).
  4. Mobile telecommunications terminal according to one of the preceding Claims,
    characterized in that
    the telecommunications terminal is configured in the manner of a wrist watch, whereby at least one radiation source (2) extends above the arm strap (4) at a distance from the arm (5) of the wearer and connected to the watch housing (1).
  5. Mobile telecommunications terminal according to Claim 4,
    characterized in that
    the radiation source(s) (2) are integrated structurally in the watch housing (1), in particular the upper part (7) of the watch housing or represent a part of same.
  6. Mobile telecommunications terminal according to Claim 4 or 5,
    characterized in that
    the radiation sources (2) of the antenna are arranged essentially opposite each other on the watch housing (1) and attachment devices (3) are provided on the housing (1) for the arm strap (4) below the radiation sources (2).
  7. Mobile telecommunications terminal according to one of Claims 4 to 6,
    characterized in that
    to increase the distance between the radiation source and the arm (5) of the wearer, the radiation source(s) are attached in an articulated and swiveling manner to the watch housing (1).
  8. Mobile telecommunications terminal according to Claim 6,
    characterized in that
    the metal surface (8) is provided at the end of the arm strap (4) closest to the attachment device to form a counterweight and for screening purposes and the matching section is configured between the radiation source(s) and the screen.
  9. Mobile telecommunications terminal according to Claim 8,
    characterized in that
    the distance between the radiation sources (2) and the metal surface (8) of the strap (4) is essentially λ/20.
  10. Mobile telecommunications terminal according to Claim 8 or 9,
    characterized in that
    electrical contact with the metal surface is effected in the area of the radiation source base point and essentially oriented towards the longitudinal axis of the radiation source.
EP01943107A 2000-05-22 2001-05-17 Mobile telecommunications terminal Expired - Lifetime EP1287584B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10025269 2000-05-22
DE10025269 2000-05-22
PCT/DE2001/001882 WO2001091229A1 (en) 2000-05-22 2001-05-17 Antenna system for mobile telecommunications terminals

Publications (2)

Publication Number Publication Date
EP1287584A1 EP1287584A1 (en) 2003-03-05
EP1287584B1 true EP1287584B1 (en) 2004-11-24

Family

ID=7643095

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01943107A Expired - Lifetime EP1287584B1 (en) 2000-05-22 2001-05-17 Mobile telecommunications terminal

Country Status (4)

Country Link
EP (1) EP1287584B1 (en)
CN (1) CN1223045C (en)
DE (1) DE50104618D1 (en)
WO (1) WO2001091229A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053212A1 (en) * 2000-10-26 2002-04-11 Siemens Ag On arm portable radio device, such as mobile telephone, with flat housing
US6941116B2 (en) 2002-11-27 2005-09-06 Broadcom Corp. Linearization technique for phase locked loops employing differential charge pump circuitry
KR200342564Y1 (en) * 2003-11-20 2004-02-18 홍종희 Buckle phone
CH710089A1 (en) * 2014-09-12 2016-03-31 José Carlos Fernandes Demétrio Bracelet with wireless connectivity.
CN106200371B (en) * 2016-09-26 2019-12-13 北京奇虎科技有限公司 Intelligent watch
CN113865749A (en) * 2020-06-12 2021-12-31 厦门超新芯科技有限公司 Temperature measurement bracelet and temperature measurement system based on RFID temperature measurement label

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06188809A (en) * 1992-12-21 1994-07-08 Casio Comput Co Ltd Watch type radio receiver
EP1113346A1 (en) * 1999-12-29 2001-07-04 Asulab S.A. Wrist-watch with an antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886669A (en) * 1995-05-10 1999-03-23 Casio Computer Co., Ltd. Antenna for use with a portable radio apparatus
FI104662B (en) * 1997-04-11 2000-04-14 Nokia Mobile Phones Ltd Antenna arrangement for small radio communication devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06188809A (en) * 1992-12-21 1994-07-08 Casio Comput Co Ltd Watch type radio receiver
EP1113346A1 (en) * 1999-12-29 2001-07-04 Asulab S.A. Wrist-watch with an antenna

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 531 (E - 1614) 7 October 1994 (1994-10-07) *

Also Published As

Publication number Publication date
CN1430802A (en) 2003-07-16
CN1223045C (en) 2005-10-12
WO2001091229A1 (en) 2001-11-29
EP1287584A1 (en) 2003-03-05
DE50104618D1 (en) 2004-12-30

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