EP2056397B1 - Vorrichtung, die es einem tragbaren Gerät erlaubt, Funksignale zu empfangen und/oder auszusenden und entsprechendes System - Google Patents

Vorrichtung, die es einem tragbaren Gerät erlaubt, Funksignale zu empfangen und/oder auszusenden und entsprechendes System Download PDF

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Publication number
EP2056397B1
EP2056397B1 EP08290984A EP08290984A EP2056397B1 EP 2056397 B1 EP2056397 B1 EP 2056397B1 EP 08290984 A EP08290984 A EP 08290984A EP 08290984 A EP08290984 A EP 08290984A EP 2056397 B1 EP2056397 B1 EP 2056397B1
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EP
European Patent Office
Prior art keywords
antenna
portable electronic
antennas
electronic appliance
deployable
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.)
Not-in-force
Application number
EP08290984A
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English (en)
French (fr)
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EP2056397A1 (de
Inventor
Henri Crohas
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.)
Archos SA
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Archos SA
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Filing date
Publication date
Application filed by Archos SA filed Critical Archos SA
Publication of EP2056397A1 publication Critical patent/EP2056397A1/de
Application granted granted Critical
Publication of EP2056397B1 publication Critical patent/EP2056397B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01Q1/243—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 built-in antennas
    • H01Q1/244—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 built-in antennas extendable from a housing along a given path
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems

Definitions

  • Accessory for digital portable electronic devices that include hardware and software resources for displaying an image and executing at least one application, such as for example a portable media player (PMP), an advanced telephone (Smart Phone or Feature phone in English language) , a personal digital assistant (PDA), a laptop ...
  • PMP portable media player
  • PDA personal digital assistant
  • the document EP 0 833 455 describes an interchangeable antenna external module for a mobile phone.
  • the document GB 2,309,830 describes a pair of portable radio antennas.
  • Peripheral accessories are known in the form of USB "stick" to allow the reception of the television on a laptop.
  • Antenna diversity techniques are known that improve the reception of wireless signals in the context of digital wireless transmission.
  • the accessories for receiving the state-of-the-art digital television are equipped with a connector for connecting the accessory to an external signal source. It can be a connection to collective antenna installation or to one or two remote individual antennas.
  • the antenna offset offers many advantages such as the simplification of the mechanical design of the accessory and a greater universality of the geometry of the accessory vis-à-vis the device to which it is logged.
  • the separation of the antennas of the electronic device is favorable to reception in that the free positioning of the antennas makes it easier to find a position where the signal is best captured.
  • the distance of the antennas from the portable electronic device and / or the accessory device according to the invention is also favorable in that the electronic subassemblies are generally sources of noise. However, such an installation is not suitable for mobile use.
  • a device allows a portable electronic device to receive and / or transmit radio frequency signals.
  • the device comprises at least one electronic subassembly, means for connecting the at least one electronic subassembly of the device to the electronic device, at least two antennas exploited in diversity, irremovable and made integral with the device by the implementation.
  • implement means retaining the relative positions of said antennas and the device in the absence of the application of external forces between these elements.
  • This device can be an accessory dedicated to a type or model of portable electronic device or it can be a universal accessory that can be used on the periphery of various electronic devices.
  • At least one electronic subassembly means one or more functional blocks that can be implemented in the form of one or more printed circuits. This is for example to ensure in a different order, all or part of the functions of the following nonlimiting list: amplification of the signal from the antennas, combination of signals, demodulation, diversity management, decoding, management of the interface with the portable device.
  • At least two antennas exploited in diversity are understood to mean any implementation of at least one diversity technique aimed at increasing the performance of a digital wireless transmission system.
  • antenna diversity is particularly advantageous for example to receive television and / or digital radio mobility in good conditions. This is particularly true if the antenna diversity is supplemented by a dedicated antenna receiving channel with appropriate signal processing.
  • the antenna diversity can also be exploited also in transmission, for example in the context of MIMO type as implemented in the 802.11n standard of the IEEE.
  • Antenna diversity can involve an unlimited number of antennas, only economic constraints, clutter and / or aesthetics push to limit this number, usually two or three antennas.
  • the implementation of the invention may relate only to the diversity of locations of identical antennas, but it may also be diversity of polarization, diversity of antenna type and more generally of the implementation of any solution to increase the probability that at least one antenna will be at a given moment under satisfactory operating conditions.
  • the device further comprises at least one removable rigid mechanical connection for fixing the device to the portable electronic device.
  • the at least one removable rigid mechanical connection may advantageously include contacts for connecting the at least one electronic subassembly of the device to the portable electronic device to which it is attached. It may be for example a specific connector or a sufficiently robust standard connector for example a type A USB connector. It is envisaged that the connection between the device and the device can be done by a removable rigid mechanical connection including contacts that complete at least one other non-contact removable rigid mechanical connection to reinforce the mechanical robustness of the assembly. It is also expected that the connection between the device and the device can use wire means, such as at least one cable equipped with at least one connector, or by wireless means, for example based on the use standards Bluetooth, WUSB or Wifi ad 'hoc.
  • frictional forces are provided to maintain the relative positions of the elements relative to each other as long as no other higher intensity force is applied.
  • the goal is that any change in the positioning of one element of the system relative to the others, where possible, is retained as long as no other action calls it into question.
  • This object can be achieved for example by linking the elements of the system according to the invention by rigid, semi-rigid or flexible means for maintaining the relative positions from a given position.
  • Degrees of freedom can be advantageously introduced into the assemblies to both facilitate the storage of the accessory and allow optimization of the orientation settings.
  • the use of flexible and / or articulated elements makes the accessory and / or the system that it constitutes with the electronic device to which it is connected less fragile. Indeed, systems consisting of deformable elements are less fragile in that they can undergo the effect of external forces without irreversible damage.
  • the device according to the invention further provides that at least one irremovable antenna of the device is arranged to improve its performance by the presence of a ground plane and / or a conductive element connected to ground nearby.
  • Ground plane means any conductive surface full or perforated, connected or not to a specific potential such as the mass of the associated reception and / or transmission electronics.
  • a ground plane according to the invention can play, for example, the role of the other half-dipole in the case of a so-called half-dipole antenna (whip antenna), reflector (antenna "quad”), armature relative to a dielectric (antenna "patch”), shielding vis-à-vis undesirable radiation.
  • the invention further provides that said ground plane and / or the conductive element is deployable.
  • the deployment of the ground plane and / or the conductive element may be a consequence of that of an antenna. Deployment of the ground plane and / or the conductive element may also be treated in whole or in part separately from that of the antenna without departing from the scope of the invention.
  • At least one irremovable antenna of the device is of the dipole or monopole wired type, for example a whip operating in quarter wave or half wave.
  • At least one irremovable antenna of the device is of the magnetic loop type.
  • At least one irremovable antenna of the device is of the planar type.
  • the at least one other antenna can be of the same type or of a different type.
  • Planar antenna means an antenna consisting of a plurality of individual surface elements which are arranged in the air or on a suitable solid dielectric in the same plane to form a composite antenna, for example an antenna called “quad” or an antenna called “patch” in English language. These antennas furthermore require respectively a metal reflector and a ground plane.
  • the wired or surface elements can implement simple geometries or complex geometries such as so-called space-filling solutions, without departing from the scope of the invention.
  • Space filling solutions such as those based on fractal mathematics proposed by the company Fractus SA, make it possible to obtain, all things being equal, in particular for equal wavelengths, more compact dimensions than with traditional geometries.
  • At least one irremovable antenna of the device is deployable.
  • Deployable means any solution for differentiating a state of the system according to the invention less cumbersome for transport or storage of a more bulky state in use. It may be for example solutions based on folding elements and / or telescopic and / or rollable or any combination of such solutions.
  • the deployment can implement any type of relative movement between the constituent elements of the antenna and / or the antenna as a whole relative to the body of the accessory according to the invention. It can be translational movements and / or rotation or any combination of these elementary movements. It is expected that each antenna can use different deployment solutions.
  • the device comprises a plurality of deployable antennas to make it more compact in the storage position, to give it a capacity to adapt to the dimensions of the portable electronic device to which it can be fixed to forming a one-piece assembly and / or giving it an antenna orientation capability to optimize operation in a given orientation of the portable electronic device.
  • the invention provides that at least one of at least two antennas can be fixed relative to the body of the accessory according to the invention. More the wavelengths used are short, the less it becomes necessary to make the antennas deployable because their footprint is low. All or part of the antennas can even be integrated into the body of the device without departing from the scope of the invention.
  • At least one irremovable and irremovable antenna sees its improved performance, for example its gain, by the presence of a ground plane and / or a conductive element connected to ground nearby.
  • the at least one irremovable and deployable antenna comprises both a radiating portion and a grounded portion.
  • the portion of the at least one immovable and deployable antenna of the device, connected to the potential of the mass, is located between the radiating part of the antenna and its point of attachment located on the body of the device.
  • the portion connected to the ground potential of the at least one immovable and deployable antenna of the device comprises conductive elements for firstly supplying the radiating part of the antenna and secondly for shield this power line.
  • the conductors for establishing the electrical continuity between the deployable antenna and the reception electronics form a connection whose impedance is substantially adapted when the antenna is fully deployed. . Indeed it is difficult and expensive to implement a solution to establish a deployable link and continuously adapted whatever the scale of the deployment. In practice, the intermediate positions of the deployment are of little interest and the performances are generally maximum at the maximum of the deployment, when the antennas are furthest away from each other and sources of noise that are the electronic subassemblies of the digital devices.
  • the device according to the invention is powered by the portable electronic device to which it is connected.
  • the device according to the invention powers the portable electronic device to which it is connected.
  • This can be done by means of a power source contained in the device and / or by means of an external power source such as for example an AC power supply unit in the case of use in a building or a power supply equipped with a plug connecting instead of the cigarette lighter in the case of use in a vehicle.
  • the device further comprises a support function. It is a support function for the device alone and / or for the electronic device when the device and the device are assembled by means of a rigid connection.
  • Support function means any means for placing and / or fixing the element or elements concerned on a surface, in a stable manner and in relation to their use and / or storage. It may be for example a fixed or retractable base, a suction cup, a magnetic attachment, a clamping attachment between jaws.
  • the inclusion of a support function in the device according to the invention is particularly relevant for an accessory use of a portable electronic device fixed above the device. Indeed, in this case of assembly, the elevation with respect to the laying plane makes inoperative support solutions possibly integrated into the portable device such as crutches whose length is calculated for a device placed directly on a plane.
  • the invention In a first case of application of the system according to the invention, it is to make possible the reception of digital television by means of an electronic device and an accessory comprising at least two irremovable antennas.
  • the invention also aims at making the system consisting of the portable electronic device and the receiving accessory even more compact in that the antennas are at least partly retractable and or foldable and that they can be deployed according to the needs. Deployed as required, deployed in a manner that takes into account the bulk of the housings of the portable device and the accessory and / or which provides a satisfactory reception under given positioning conditions.
  • mobile use is meant the reception of the digital television while the entire reception system according to the invention is mobile because it is held, worn or fixed by a suitable means to a user who moves.
  • the reception of digital television is understood to mean the reception of digital television signals broadcast by infrastructure means according to standards such as, for example, DVB-T, DVB-H, T-DMB, CDMB, etc.
  • the reception of digital television is also understood to mean the reception of all signals transmitted by wireless means compatible with the device and carrying video to the system according to the invention.
  • the signal source may for example be a digital video player-recorder, a "set-top box” receiver or decoder or an apparatus embedded in a means of transport, for example in the luggage compartment of a car or in a vehicle.
  • the signal received and used by the accessory according to the invention may be associated with a single channel or with a plurality of channels distributed in packets or multiplexed in time or in the frequency space without departing from the scope of the invention.
  • the system according to the invention in a second case of application of the system according to the invention, it is to make possible the receipt of geolocation information by means of an electronic device and an accessory comprising at least two irremovable antennas.
  • the application of the system according to the invention in this context makes it possible to achieve a higher quality of service than those offered by state-of-the-art solutions.
  • the increase in the quality of service is reflected by a higher availability of the service in contexts where the state-of-the-art solutions are no longer functional and / or by increasing the accuracy of the information provided.
  • the system according to the invention is suitable for pedestrian use and / or embedded in a vehicle.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Alarm Systems (AREA)
  • Structure Of Receivers (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)

Claims (18)

  1. Zusatzvorrichtung (1), mit der ein tragbares elektronisches Gerät (7) Funksignale empfangen und/oder aussenden kann und insbesondere Digitalfernsehen und/oder Digitalradio mobil empfangen kann, wobei die Zusatzvorrichtung dadurch gekennzeichnet ist, dass sie enthält:
    - zumindest zwei im Diversity-Mode betriebene Antennen, die nicht lösbar und fest mit der Vorrichtung verbunden sind, wobei zumindest die eine von der Vorrichtung nicht lösbare Antenne drehend ausfahrbar ist,
    - Mittel (3, 6), die unter Reibschluss die Relativstellungen der Antennen bei ausbleibender Einwirkung von äußeren Kräften höherer Intensität beibehalten,
    - zumindest eine elektronische Baugruppe, mit der in unterschiedlicher Reihenfolge alle Funktionen bzw. ein Teil der nachfolgenden, nicht einschränkenden Liste gewährleistet werden kann: Verstärkung des von den Antennen stammenden Signals, Signalverknüpfung, Demodulation, Diversity-Steuerung, Dekodierung, Steuerung der Schnittstelle mit dem tragbaren Gerät, und
    - Mittel zum Verbinden der zumindest einen elektronischen Baugruppe der Vorrichtung mit dem tragbaren elektronischen Gerät.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Verbinden der Vorrichtung mit dem elektronischen Gerät drahtlose Mittel verwenden.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie ferner zumindest eine lösbare, starre, mechanische Verbindung aufweist, um die Vorrichtung an das tragbare elektronische Gerät zu befestigen.
  4. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest eine von der Vorrichtung (1) nicht lösbare Antenne (2) dazu vorgesehen ist, deren Leistung durch einen vorhandenen Massenplan und/oder durch ein vorhandenes leitfähiges Element zu verbessern.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Massenplan und/oder das leitfähige Element ausfahrbar ist.
  6. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest eine von der Vorrichtung (1) nicht lösbare Antenne (2) drahtgebunden ausgeführt ist.
  7. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest eine von der Vorrichtung (1) nicht lösbare Antenne (2) als Magnetloop-Antenne ausgeführt ist.
  8. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zumindest eine von der Vorrichtung (1) nicht lösbare Antenne als Planarantenne ausgeführt ist.
  9. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die zumindest eine von der Vorrichtung nicht lösbare und aus dieser ausfahrbare Antenne ein Empfangs- und/oder Sendeteil und ein an das Massepotential angelegtes Teil aufweist.
  10. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Leiter zum Herstellen des Stromflusses zwischen der ausfahrbaren Antenne und der Empfangs- und/oder Sendeelektronik eine Verbindung bilden, deren Impedanz dann im wesentlichen angepasst wird, wenn die Antenne vollständig ausgefahren ist.
  11. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die zumindest eine elektronische Baugruppe der Vorrichtung über das tragbare elektronische Gerät versorgt wird, an welches sie angeschlossen ist.
  12. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie ferner das tragbare elektronische Gerät (7) versorgt, an das sie angeschlossen ist.
  13. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie ferner eine Tragfunktion hat.
  14. System zum Empfangen und/oder Aussenden von Funksignalen und zur mobilen Anwendung derselben, enthaltend:
    - eine Vorrichtung, mit der ein tragbares elektronisches Gerät Funksignale empfangen und/oder aussenden kann, wie sie in einem der vorangehenden Ansprüche definiert ist,
    - ein tragbares elektronisches Gerät, an welches die Vorrichtung angeschlossen ist.
  15. Verwendung des Systems nach Anspruch 14 zum Empfangen und/oder Aussenden von Funksignalen und zur mobilen Anwendung derselben, um digitales Fernsehen zu empfangen und wiederzugeben.
  16. Anwendung des Systems nach Anspruch 14 zum Empfangen und/oder Aussenden von Funksignalen und zur mobilen Anwendung derselben, um einen digitalen Video- bzw. Audiofluss zu empfangen und wiederzugeben.
  17. Anwendung der Vorrichtung, wie sie in den Ansprüchen 1 bis 13 definiert ist, um von zumindest einen Satelliten ausgegebene Signale an einem tragbaren elektronischen Gerät zu empfangen.
  18. Anwendung der Vorrichtung, wie sie in den Ansprüchen 1 bis 13 definiert ist, um ein tragbares elektronisches Gerät an ein Netzwerk anzuschließen.
EP08290984A 2007-10-31 2008-10-20 Vorrichtung, die es einem tragbaren Gerät erlaubt, Funksignale zu empfangen und/oder auszusenden und entsprechendes System Not-in-force EP2056397B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0707684A FR2923120B1 (fr) 2007-10-31 2007-10-31 Dispositif pour permettre a un appareil portable de recevoir et/ou d'emettre des signaux radiofrequences et systeme associe.

Publications (2)

Publication Number Publication Date
EP2056397A1 EP2056397A1 (de) 2009-05-06
EP2056397B1 true EP2056397B1 (de) 2011-04-20

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Family Applications (1)

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EP08290984A Not-in-force EP2056397B1 (de) 2007-10-31 2008-10-20 Vorrichtung, die es einem tragbaren Gerät erlaubt, Funksignale zu empfangen und/oder auszusenden und entsprechendes System

Country Status (5)

Country Link
US (1) US20090109113A1 (de)
EP (1) EP2056397B1 (de)
AT (1) ATE506713T1 (de)
DE (1) DE602008006327D1 (de)
FR (1) FR2923120B1 (de)

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Also Published As

Publication number Publication date
US20090109113A1 (en) 2009-04-30
DE602008006327D1 (de) 2011-06-01
ATE506713T1 (de) 2011-05-15
FR2923120B1 (fr) 2010-05-07
FR2923120A1 (fr) 2009-05-01
EP2056397A1 (de) 2009-05-06

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