EP0837520A1 - Apparatus forming a transmit and/or receive antenna for radio signals - Google Patents

Apparatus forming a transmit and/or receive antenna for radio signals Download PDF

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Publication number
EP0837520A1
EP0837520A1 EP97402452A EP97402452A EP0837520A1 EP 0837520 A1 EP0837520 A1 EP 0837520A1 EP 97402452 A EP97402452 A EP 97402452A EP 97402452 A EP97402452 A EP 97402452A EP 0837520 A1 EP0837520 A1 EP 0837520A1
Authority
EP
European Patent Office
Prior art keywords
transmitter
volume
circuit
receiver
electrical energy
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
EP97402452A
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German (de)
French (fr)
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EP0837520B1 (en
Inventor
Gilles Morey
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Atral SAS
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Atral SAS
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Publication date
Application filed by Atral SAS filed Critical Atral SAS
Publication of EP0837520A1 publication Critical patent/EP0837520A1/en
Application granted granted Critical
Publication of EP0837520B1 publication Critical patent/EP0837520B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • 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
    • 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

Definitions

  • the present invention relates to an autonomous device transmission and / or reception of radio signals.
  • Autonomous devices for transmitting and / or receiving radio signals usually include a circuit electronics of which a component is formed by an oscillator, a source autonomous electrical energy consisting of at least one battery or one battery and a wire antenna.
  • the device for transmitting and / or receiving signals at least one nominal frequency (f), depending on the invention comprises first and second volumes which respectively include in particular a transmitter circuit and / or receiver and in particular an autonomous source of electrical energy which respectively have electrically conductive parts or main metal distant from each other, as well as means of electrical connection between said volumes, comprising connections making it possible to connect the poles of said source of electrical energy to supply poles of said transmitter and / or receiver circuit, the terminals radiofrequency electrical energy input and / or output from said circuit transmitter and / or receiver being one connected to said conductive part of said first volume and the other being connected to said conductive part of said second volume via one of the connections of said connection means, the other connections of which include means for stopping the currents in the band of said nominal frequency, in particular filters granted, shock or stop chokes or by resonance of the son (s) connecting themselves, so that said conductive parts said first and second volumes constitute an antenna.
  • the connections of the poles of said source of electrical energy at the supply poles of said transmitter circuit and / or receiver and the connection of said conductive part of said second volume at one of the input and / or output terminals of said transmitter circuit and / or receiver can be separate.
  • a first pole of said source of electrical energy is connected to said conductive part of said second volume.
  • Said connecting means include preferably a link which connects said first pole of said source of electrical energy on the one hand at the power pole of the same polarity of said transmitter and / or receiver circuit via a stop means and other leaves at one of said input and / or output terminals of said transmitter circuit and / or receiver, and another link which connects the second pole of said electric power source at the other power pole of said circuit transmitter and / or receiver via a stop means.
  • the other input terminal and / or output of said transmitter and / or receiver circuit is preferably connected to the conductive part of said first volume.
  • said other input and / or output terminal of said transmitter and / or receiver circuit is preferably connected to the pole (-) power supply to this circuit.
  • said connecting means can advantageously include coaxial wires or the wires of a cable shielded multiconductor
  • said conductive parts or metallic of said volumes are preferably geometrically dimensioned and / or electrically tuned so as to resonate on said nominal frequency (f).
  • said connecting means are of preferably geometrically shaped so as to constitute a self agreement of the resonance of said metal parts on said nominal frequency.
  • the conductive or metallic part of said second volume can advantageously include the envelope conductive or metallic of said source of electrical energy.
  • the conductive or metallic part of said second volume can advantageously include a receptacle for said source of electrical energy.
  • the conductive or metallic part of said first volume can advantageously comprise a layer conductor of a support or printed circuit board carrying said circuit transmitter and / or receiver, such as a ground plane.
  • the object of the present invention is in particular to simplify and optimize the use of the basic components of a device transmitting and / or receiving radio signals by making them preferably perform several functions at the same time.
  • the first volume 2 includes a printed circuit board 4 which carries the components of an electronic circuit 5 for transmission and / or for receiving radio signals, this electronic circuit 5 for this purpose comprising an oscillator 6.
  • this circuit 5 further preferably includes logic circuits for delivering to this oscillator 6 signals to be sent and / or to detect and / or analyze received signals.
  • the electronic circuit 5 has a power pole negative (-) or ground 7 and a positive supply pole (+) 8, as well as two energy input and / or output terminals or points 9 and 10 electric radio frequency of electronic circuit 5 and more particularly its oscillator 6.
  • the first volume 2 also includes a part main conductor or metallic 11.
  • the second volume 3 includes an autonomous source electrical energy 12 such as a battery or a battery as well as a main electrically conductive or metallic part 13.
  • an autonomous source electrical energy 12 such as a battery or a battery as well as a main electrically conductive or metallic part 13.
  • the device 1 also includes means 14 for electrical connection between the first and second volumes 2 and 3, made up by electric wires.
  • these connecting means 14 include electrical connections or wires 15 and 16 which respectively connect the poles (-) 7 and (+) 8 of the electrical energy source 12 to supply poles 7 and 8 of the electronic circuit 5, via means stop 17 and 18.
  • stop means 17 and 18 can advantageously be constituted by band pass filters or shock or stop inductors adapted to prevent the passage of high frequency currents produced in the band of nominal frequency (f) of transmission and / or reception oscillator 6 of electronic circuit 5 for signal transport radioelectric, said stopping means possibly being formed by the wires 15 and 16 themselves.
  • the stop means 17 and 18 can advantageously be carried by the printed circuit board 4.
  • the connecting means 14 also include a connection or electrical wire 19 which connects directly the input and / or output terminal 10 of the electronic circuit 5 from the first volume 2 to the conductive part 13 of the second volume 3, while the other input and / or output terminal 9 of the electronic circuit 5 is connected to the conductive part 11 of the first volume 2 by a line board 20 electric 4.
  • Electrically conductive or metallic parts 11 and 13 of the first volume 2 and of the second volume 3 are separated or electromagnetically separate and are sized to constitute the dipole of a transmitting and / or receiving antenna on the nominal frequency (f) of radio signals by oscillator 6 of the electronic circuit 5.
  • Electrically conductive or metallic parts 11 and 13 are said to be principal in the sense that any other parts electrically conductive or metallic of volumes 2 and 3 are negligible from an electromagnetic point of view with regard to the antenna as said electrically conductive or metallic parts 11 and 13 constitute.
  • the conductive part 11 of the first volume 2 constitutes the pole (-) 7 of the electronic circuit 2 and can advantageously be produced in the usual form of a layer electrically conductive or metallic formed on the circuit board printed 4 to constitute a ground plan.
  • the conductive part 13 of the second volume 3 can advantageously be constituted by a electrically conductive or metallic envelope that surrounds the electric power source 12 and which is electrically isolated by compared to the poles of the latter.
  • the device 1 which has just been described can be arranged in a box shown schematically under the reference 21, consisting of a electrically non-conductive material, for example advantageously made of plastic.
  • the device 1 described above comprises, between the first volume 2 comprising the oscillator 6 and the second volume 3 containing the source of electrical energy 12, connecting means 14 which establish, electrically separately, a galvanic connection ensuring the supply of electrical energy to the electronic circuit 5 and a radio frequency electrical connection between their respective conductive parts 11 and 13 which constitute a antenna tuned to transmit or receive signals on the nominal frequency (f) of emission and / or of reception of the oscillator 6.
  • conductive parts 11 and 13 are said to be tuned if the length of the wires which would be electromagnetically equivalent to them is substantially equal to the wavelength ( ⁇ ) corresponding to the nominal frequency (f) of the oscillator divided by four ( ⁇ / 4) and if the distance between the ends of the wires which would be electromagnetically equivalent to them is substantially equal to the speed (C) of the light divided by said nominal frequency (ie: C / f).
  • a radio signal transmission and / or reception device 22 which differs from the device 1 described with reference to FIG. 1 by the fact that the conductive part 13 of the second volume 3 is connected to the pole (-) of the electrical energy source 12 and also differs therefrom by the fact that the input and / or output terminal 10 of the electronic circuit 5 of the first volume 2 is connected by an electric line 23 to the link 15, between the pole (-) of the electrical energy source 12 and the stop means 17.
  • the conductive part 13 can be constituted by the envelope of the electric power source 12, which in general constitutes its pole (-) or by a receptacle of this source which would connected to its envelope.
  • the power line 23 is by example formed on the printed circuit board 4.
  • the connecting means 14 connecting the volumes 2 and 3 of the transmission and / or reception device 22 of FIG. 2 does not include more than the electrical connections 15 and 16 of the device 1 described with reference to Figure 1.
  • a device for transmitting and / or receiving radio signals 24 which differs from the device 1 described with reference to FIG. 1 by the fact that the conductive part 13 of the second volume 3 is connected to the pole (+) from the electrical energy source 12 and also differs therefrom by the fact that the input and / or output terminal 10 of the electronic circuit 5 of the first volume 2 is connected by a line 25 to link 16, between the pole (+) of the electric power source 12 and the stop means 18.
  • the conductive part 13 can be constituted by a receptacle for the electrical energy source 12, electrically isolated from the latter's envelope which general constitutes its pole (-).
  • the electrical line 25 is for example formed on the printed circuit board 4.
  • connection means 14 only include connections 15 and 16 between volumes 2 and 3.
  • either the galvanic connection 15 or the galvanic connection 16 between the two volumes 2 and 3 also constitute the electrical connection radio frequency between the main conductive parts 11 and 13 of the volumes 2 and 3 of the transmission and / or reception devices described, the high frequency currents at nominal frequency (f) of oscillator 6 being blocked by stop means constituted by either by the stop choke 17 either by the choke 18 or, alternatively, by the wires electrical link themselves.
  • wire connections 14 could be consisting of coaxial wires or wires of a multi-core cable possibly shielded.
  • wire connections 14 could be wound or twisted so as to constitute one or more chokes of the resonance of the metal parts 11 and 13 on the nominal frequency of circuit 5.
  • volume 2 could include another electrical energy source participating for example in the supply of electronic or emergency circuits.
  • volume 3 could include accessory electronic parts or circuits, constituted for example by a voltage regulator.
  • the autonomous device for transmitting and / or receiving radio signals according to the present invention constituting a antenna can advantageously be applied in particular to components of call, alarm, surveillance or remote control.

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  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Support Of Aerials (AREA)
  • Near-Field Transmission Systems (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Waveguide Aerials (AREA)

Abstract

The transceiver has first and second distinct areas (2,3). The first area holds the transmitter and receiver, and the second area contains the power supply (12). There is an electrical connection arrangement between the two units (14) and the power supply. Each unit has a conductor plate area (11,13), with the earth and transmitter connected to one of the plates forming an antenna. There are oils (17,18) in the transmitter section to block currents in the nominal frequency band, or to prevent unwanted resonances.

Description

La présente invention concerne un dispositif autonome d'émission et/ou de réception de signaux radioélectriques.The present invention relates to an autonomous device transmission and / or reception of radio signals.

Les dispositifs autonomes d'émission et/ou de réception de signaux radioélectriques comprennent habituellement un circuit électronique dont un composant est formé par un oscillateur, une source autonome d'énergie électrique constituée par au moins une pile ou une batterie et une antenne filaire.Autonomous devices for transmitting and / or receiving radio signals usually include a circuit electronics of which a component is formed by an oscillator, a source autonomous electrical energy consisting of at least one battery or one battery and a wire antenna.

Pour que l'émission et/ou la réception d'une onde électomagnétique puisse s'effectuer correctement, soit on dispose la pile sur la carte portant le circuit électronique et on place une antenne qui s'étend à partir de la carte, soit on dispose la pile et la carte portant le circuit électronique dans une enveloppe conductrice de l'électricité et métallique afin de réaliser un court circuit électromagnétique entre la pile et la carte et on installe l'antenne à l'extérieur de cette enveloppe.So that the emission and / or the reception of a wave electomagnetic can be done correctly, or we have the battery on the card carrying the electronic circuit and we place an antenna which extends from the card, or we have the stack and the card with the electronic circuit in an electrically conductive envelope and metal in order to create an electromagnetic short circuit between the battery and the card and we install the antenna outside of this envelope.

Dans les deux cas, on cherche à éviter toute résonnance électromagnétique de la pile et du circuit électronique l'un par rapport à l'autre.In both cases, we try to avoid any resonance electromagnetic of the battery and the electronic circuit one with respect to the other.

Le dispositif d'émission et/ou de réception de signaux radioélectriques sur au moins une fréquence nominale (f), selon l'invention comprend un premier et un second volumes qui respectivement comprennent notamment un circuit émetteur et/ou récepteur et notamment une source autonome d'énergie électrique et qui respectivement présentent des parties conductrices de l'électricité ou métalliques principales distantes l'une de l'autre, ainsi que des moyens de liaison électrique entre lesdits volumes, comprenant des liaisons permettant de relier les pôles de ladite source d'énergie électrique aux pôles d'alimentation dudit circuit émetteur et/ou récepteur, les bornes d'entrée et/ou sortie de l'énergie électrique radiofréquence dudit circuit émetteur et/ou récepteur étant l'une reliée à ladite partie conductrice dudit premier volume et l'autre étant reliée à ladite partie conductrice dudit second volume via l'une des liaisons desdits moyens de liaison, dont les autres liaisons comprennent des moyens d'arrêt des courants dans la bande de ladite fréquence nominale, en particulier des filtres accordés, des selfs de choc ou d'arrêt ou par résonnance du ou des fils de liaison eux-mêmes, de telle sorte que lesdites parties conductrices desdits premier et second volumes constituent une antenne.The device for transmitting and / or receiving signals at least one nominal frequency (f), depending on the invention comprises first and second volumes which respectively include in particular a transmitter circuit and / or receiver and in particular an autonomous source of electrical energy which respectively have electrically conductive parts or main metal distant from each other, as well as means of electrical connection between said volumes, comprising connections making it possible to connect the poles of said source of electrical energy to supply poles of said transmitter and / or receiver circuit, the terminals radiofrequency electrical energy input and / or output from said circuit transmitter and / or receiver being one connected to said conductive part of said first volume and the other being connected to said conductive part of said second volume via one of the connections of said connection means, the other connections of which include means for stopping the currents in the band of said nominal frequency, in particular filters granted, shock or stop chokes or by resonance of the son (s) connecting themselves, so that said conductive parts said first and second volumes constitute an antenna.

Selon l'invention, les liaisons des pôles de ladite source d'énergie électrique aux pôles d'alimentation dudit circuit émetteur et/ou récepteur et la liaison de ladite partie conductrice dudit second volume à l'une des bornes d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur peuvent être distincts.According to the invention, the connections of the poles of said source of electrical energy at the supply poles of said transmitter circuit and / or receiver and the connection of said conductive part of said second volume at one of the input and / or output terminals of said transmitter circuit and / or receiver can be separate.

Selon une exécution de l'invention, un premier pôle de ladite source d'énergie électrique est relié à ladite partie conductrice dudit second volume. Lesdits moyens de liaison comprennent de préférence une liaison qui relie ledit premier pôle de ladite source d'énergie électrique d'une part au pôle d'alimentation de même polarité dudit circuit émetteur et/ou récepteur via un moyen d'arrêt et d'autre part à l'une desdites bornes d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur, et une autre liaison qui relie le second pôle de ladite source d'énergie électrique à l'autre pôle d'alimentation dudit circuit émetteur et/ou récepteur via un moyen d'arrêt. L'autre borne d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur est de préférence reliée à la partie conductrice dudit premier volume.According to an embodiment of the invention, a first pole of said source of electrical energy is connected to said conductive part of said second volume. Said connecting means include preferably a link which connects said first pole of said source of electrical energy on the one hand at the power pole of the same polarity of said transmitter and / or receiver circuit via a stop means and other leaves at one of said input and / or output terminals of said transmitter circuit and / or receiver, and another link which connects the second pole of said electric power source at the other power pole of said circuit transmitter and / or receiver via a stop means. The other input terminal and / or output of said transmitter and / or receiver circuit is preferably connected to the conductive part of said first volume.

Selon l'invention, ladite autre borne d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur est de préférence reliée au pôle (-) d'alimentation de ce circuit.According to the invention, said other input and / or output terminal of said transmitter and / or receiver circuit is preferably connected to the pole (-) power supply to this circuit.

Selon l'invention, lesdits moyens de liaison peuvent avantageusement comprendre des fils coaxiaux ou les fils d'un câble multiconducteur blindéAccording to the invention, said connecting means can advantageously include coaxial wires or the wires of a cable shielded multiconductor

Selon l'invention, lesdites parties conductrices ou métalliques desdits volumes sont de préférence géométriquement dimensionnées et/ou électriquement accordées de manière à résonner sur ladite fréquence nominale (f).According to the invention, said conductive parts or metallic of said volumes are preferably geometrically dimensioned and / or electrically tuned so as to resonate on said nominal frequency (f).

Selon l'invention, lesdits moyens de liaison sont de préférence géométriquement conformés de façon à constituer une self d'accord de la résonnance desdites parties métalliques sur ladite fréquence nominale.According to the invention, said connecting means are of preferably geometrically shaped so as to constitute a self agreement of the resonance of said metal parts on said nominal frequency.

Selon l'invention, la partie conductrice ou métallique dudit second volume peut avantageusement comprendre l'enveloppe conductrice ou métallique de ladite source d'énergie électrique.According to the invention, the conductive or metallic part of said second volume can advantageously include the envelope conductive or metallic of said source of electrical energy.

Selon l'invention, la partie conductrice ou métallique dudit second volume peuvent avantageusement comprendre un réceptacle de ladite source d'énergie électrique.According to the invention, the conductive or metallic part of said second volume can advantageously include a receptacle for said source of electrical energy.

Selon l'invention, la partie conductrice ou métallique dudit premier volume peut avantageusement comprendre une couche conductrice d'un support ou carte de circuit imprimé portant ledit circuit émetteur et/ou récepteur, tel qu'un plan de masse.According to the invention, the conductive or metallic part of said first volume can advantageously comprise a layer conductor of a support or printed circuit board carrying said circuit transmitter and / or receiver, such as a ground plane.

La présente invention a notamment pour but de simplifier et d'optimiser l'utilisation des composants de base d'un dispositif d'émission et/ou de réception de signaux radioélectriques en leur faisant remplir de préférence plusieurs fonctions à la fois.The object of the present invention is in particular to simplify and optimize the use of the basic components of a device transmitting and / or receiving radio signals by making them preferably perform several functions at the same time.

La présente invention sera mieux comprise à l'étude de dispositifs autonomes d'émission et/ou de réception de signaux radioélectriques décrits à titre d'exemples non limitatifs et illustrés par le dessins sur lequel :

  • la figure 1 représente schématiquement un dispositif selon la présente invention ;
  • la figure 2 représente schématiquement un autre dispositif selon la présente invention ;
  • la figure 3 représente schématiquement un autre dispositif selon la présente invention.
The present invention will be better understood from the study of autonomous devices for transmitting and / or receiving radio signals described by way of nonlimiting examples and illustrated by the drawings in which:
  • Figure 1 schematically shows a device according to the present invention;
  • FIG. 2 schematically represents another device according to the present invention;
  • FIG. 3 schematically represents another device according to the present invention.

En se reportant à la figure 1, on voit qu'on a représenté schématiquement un dispositif d'émission et/ou de réception de signaux radioélectriques qui comprend d'une part un premier volume 2 et d'autre part un second volume 3.Referring to Figure 1, we see that we have represented schematically a device for transmitting and / or receiving signals radioelectric which includes on the one hand a first volume 2 and on the other share a second volume 3.

Le premier volume 2 comprend une carte de circuit imprimé 4 qui porte les composants d'un circuit électronique 5 d'émission et/ou de réception de signaux radioélectriques, ce circuit électronique 5 comprenant à cet effet un oscillateur 6. Bien entendu, ce circuit 5 comprend en outre, de préférence, des circuits logiques pour délivrer à cet oscillateur 6 des signaux à émettre et/ou pour détecter et/ou analyser les signaux reçus.The first volume 2 includes a printed circuit board 4 which carries the components of an electronic circuit 5 for transmission and / or for receiving radio signals, this electronic circuit 5 for this purpose comprising an oscillator 6. Of course, this circuit 5 further preferably includes logic circuits for delivering to this oscillator 6 signals to be sent and / or to detect and / or analyze received signals.

Le circuit électronique 5 présente un pôle d'alimentation négatif (-) ou masse 7 et un pôle d'alimentation positif (+) 8, ainsi que deux bornes ou points 9 et 10 d'entrée et/ ou sortie de l'énergie électrique radiofréquence du circuit électronique 5 et plus particulièrement de son oscillateur 6.The electronic circuit 5 has a power pole negative (-) or ground 7 and a positive supply pole (+) 8, as well as two energy input and / or output terminals or points 9 and 10 electric radio frequency of electronic circuit 5 and more particularly its oscillator 6.

Le premier volume 2 comprend également une partie conductrice de l'électricité ou métallique principale 11.The first volume 2 also includes a part main conductor or metallic 11.

Le second volume 3 comprend une source autonome d'énergie électrique 12 telle qu'une pile ou un batterie ainsi qu'une partie conductrice de l'électricité ou métallique principale 13.The second volume 3 includes an autonomous source electrical energy 12 such as a battery or a battery as well as a main electrically conductive or metallic part 13.

Le dispositif 1 comprend également des moyens 14 de liaison électrique entre les premier et second volumes 2 et 3, constitués par des fils électriques.The device 1 also includes means 14 for electrical connection between the first and second volumes 2 and 3, made up by electric wires.

Dans le cas de la figure 1, ces moyens de liaison 14 comprennent des liaisons ou fils électriques 15 et 16 qui respectivement relient les pôles (-) 7 et (+) 8 de la source d'énergie électrique 12 aux pôles d'alimentation 7 et 8 du circuit électronique 5, via des moyens d'arrêt 17 et 18.In the case of FIG. 1, these connecting means 14 include electrical connections or wires 15 and 16 which respectively connect the poles (-) 7 and (+) 8 of the electrical energy source 12 to supply poles 7 and 8 of the electronic circuit 5, via means stop 17 and 18.

Ces moyens d'arrêt 17 et 18 peuvent avantageusement être constitués par des filtres passe-bande ou des selfs de choc ou d'arrêt adaptés pour empêcher le passage des courants haute fréquence produits dans la bande de la fréquence nominale (f) d'émission et/ou de réception de l'oscillateur 6 du circuit électronique 5 pour le transport des signaux radioélectriques, lesdits moyens d'arrêt pouvant être éventuellement constitués par les fils 15 et 16 eux-mêmes.These stop means 17 and 18 can advantageously be constituted by band pass filters or shock or stop inductors adapted to prevent the passage of high frequency currents produced in the band of nominal frequency (f) of transmission and / or reception oscillator 6 of electronic circuit 5 for signal transport radioelectric, said stopping means possibly being formed by the wires 15 and 16 themselves.

Les moyens d'arrêt 17 et 18 peuvent avantageusement être portés par la carte de circuit imprimé 4.The stop means 17 and 18 can advantageously be carried by the printed circuit board 4.

Dans l'exemple de la figure 1, les moyens de liaison 14 comprennent également une liaison ou fil électrique 19 qui relie directement la borne d'entrée et/ ou sortie 10 du circuit électronique 5 du premier volume 2 à la partie conductrice 13 du second volume 3, tandis que l'autre borne d'entrée et/ ou sortie 9 du circuit électronique 5 est reliée à la partie conductrice 11 du premier volume 2 par une ligne électrique 20 de la carte 4.In the example of Figure 1, the connecting means 14 also include a connection or electrical wire 19 which connects directly the input and / or output terminal 10 of the electronic circuit 5 from the first volume 2 to the conductive part 13 of the second volume 3, while the other input and / or output terminal 9 of the electronic circuit 5 is connected to the conductive part 11 of the first volume 2 by a line board 20 electric 4.

Les parties conductrices de l'électricité ou métalliques 11 et 13 du premier volume 2 et du second volume 3 sont séparées ou électromagnétiquement disjointes et sont dimensionnées de manière à constituer le dipôle d'une antenne d'émission et/ou de réception sur la fréquence nominale (f) de signaux radioélectriques par l'oscillateur 6 du circuit électronique 5.Electrically conductive or metallic parts 11 and 13 of the first volume 2 and of the second volume 3 are separated or electromagnetically separate and are sized to constitute the dipole of a transmitting and / or receiving antenna on the nominal frequency (f) of radio signals by oscillator 6 of the electronic circuit 5.

Les parties conductrices de l'électricité ou métalliques 11 et 13 sont dites principales en ce sens que les éventuelles autres parties conductrices de l'électricité ou métalliques des volumes 2 et 3 sont négligeables du point de vue électromagnétique en ce qui concerne l'antenne que lesdites parties conductrices de l'électricité ou métalliques 11 et 13 constituent.Electrically conductive or metallic parts 11 and 13 are said to be principal in the sense that any other parts electrically conductive or metallic of volumes 2 and 3 are negligible from an electromagnetic point of view with regard to the antenna as said electrically conductive or metallic parts 11 and 13 constitute.

Selon une exécution préférée, la partie conductrice 11 du premier volume 2 constitue le pôle (-) 7 du circuit électronique 2 et peut avantageusement être réalisée sous la forme habituelle d'une couche conductrice de l'électricité ou métallique formée sur la carte du circuit imprimé 4 pour constituer un plan de masse. La partie conductrice 13 du second volume 3 peut avantageusement être constituée par une enveloppe conductrice de l'électricité ou métallique qui entoure la source d'énergie électrique 12 et qui est électriquement isolée par rapport aux pôles de cette dernière.According to a preferred embodiment, the conductive part 11 of the first volume 2 constitutes the pole (-) 7 of the electronic circuit 2 and can advantageously be produced in the usual form of a layer electrically conductive or metallic formed on the circuit board printed 4 to constitute a ground plan. The conductive part 13 of the second volume 3 can advantageously be constituted by a electrically conductive or metallic envelope that surrounds the electric power source 12 and which is electrically isolated by compared to the poles of the latter.

Par ailleurs, le dispositif 1 qui vient d'être décrit peut être disposé dans un boítier schématisé sous la référence 21, constitué en un matériau non conducteur de l'électricité, par exemple avantageusement en matière plastique.Furthermore, the device 1 which has just been described can be arranged in a box shown schematically under the reference 21, consisting of a electrically non-conductive material, for example advantageously made of plastic.

Il résulte de ce qui précède que le dispositif 1 décrit ci-dessus comprend, entre le premier volume 2 comprenant l'oscillateur 6 et le second volume 3 renfermant la source d'énergie électrique 12, des moyens de liaison 14 qui établissent, de façon électriquement séparée, une liaison galvanique assurant l'alimentation en énergie électrique du circuit électronique 5 et une liaison électrique radiofréquence entre leurs parties conductrices respectives 11 et 13 qui constituent une antenne accordée de manière à pouvoir émettre ou recevoir des signaux radioélectriques sur la fréquence nominale (f) d'émission et/ou de réception de l'oscillateur 6.It follows from the above that the device 1 described above comprises, between the first volume 2 comprising the oscillator 6 and the second volume 3 containing the source of electrical energy 12, connecting means 14 which establish, electrically separately, a galvanic connection ensuring the supply of electrical energy to the electronic circuit 5 and a radio frequency electrical connection between their respective conductive parts 11 and 13 which constitute a antenna tuned to transmit or receive signals on the nominal frequency (f) of emission and / or of reception of the oscillator 6.

Par ailleurs, il y a lieu de noter que, par exemple, les parties conductrices 11 et 13 sont dites accordées si la longueur des fils qui leur seraient électromagnétiquement équivalents est sensiblement égale à la longueur d'onde (λ) correspondant à la fréquence nominale (f) de l'oscillateur divisée par quatre (λ/4) et si la distance entre les extrémités des fils qui leur seraient électromagnétiquement équivalents est sensiblement égale à la célérité (C) de la lumière divisée par ladite fréquence nominale (soit : C / f).Furthermore, it should be noted that, for example, conductive parts 11 and 13 are said to be tuned if the length of the wires which would be electromagnetically equivalent to them is substantially equal to the wavelength (λ) corresponding to the nominal frequency (f) of the oscillator divided by four (λ / 4) and if the distance between the ends of the wires which would be electromagnetically equivalent to them is substantially equal to the speed (C) of the light divided by said nominal frequency (ie: C / f).

Cet accord de l'antenne ainsi constituée peut être obtenu par différents moyens et en particulier par des choix appropriés des volumes ou des surfaces des parties métalliques 11 et 13, des longueurs des fils de liaison 15 et 16 et des longueurs des fils constituant les selfs d'arrê 17 et 18, ou par des moyens électriques ou électroniques tels que des capacités.This agreement of the antenna thus constituted can be obtained by different means and in particular by appropriate choices of volumes or surfaces of the metal parts 11 and 13, lengths of the wires 15 and 16 and lengths of wires constituting the chokes 17 and 18, or by electrical or electronic means such as capabilities.

En se reportant à la figure 2, on voit qu'on a représenté un dispositif d'émission et/ou de réception 22 de signaux radioélectriques qui se différencie du dispositif 1 décrit en référence à la figure 1 par le fait que la partie conductrice 13 du second volume 3 est reliée au pôle (-) de la source d'énergie électrique 12 et s'en différencie également par le fait que la borne d'entrée et/ ou sortie 10 du circuit électronique 5 du premier volume 2 est relié par une ligne électrique 23 à la liaison 15, entre le pôle (-) de la source d'énergie électrique 12 et le moyen d'arrêt 17. Avantageusement, la partie conductrice 13 peut être constituée par l'enveloppe de la source d'énergie électrique 12, qui en général constitue son pôle (-) ou par un réceptacle de cette source qui serait relié à son enveloppe. Par ailleurs, la ligne électrique 23 est par exemple formée sur la carte de circuit imprimé 4.Referring to Figure 2, we see that a radio signal transmission and / or reception device 22 which differs from the device 1 described with reference to FIG. 1 by the fact that the conductive part 13 of the second volume 3 is connected to the pole (-) of the electrical energy source 12 and also differs therefrom by the fact that the input and / or output terminal 10 of the electronic circuit 5 of the first volume 2 is connected by an electric line 23 to the link 15, between the pole (-) of the electrical energy source 12 and the stop means 17. Advantageously, the conductive part 13 can be constituted by the envelope of the electric power source 12, which in general constitutes its pole (-) or by a receptacle of this source which would connected to its envelope. Furthermore, the power line 23 is by example formed on the printed circuit board 4.

Ainsi, les moyens de liaison 14 reliant les volumes 2 et 3 du dispositif d'émission et/ou de réception 22 de la figure 2 ne comprennent plus que les liaisons électriques 15 et 16 du dispositif 1 décrit en référence à la figure 1. Thus, the connecting means 14 connecting the volumes 2 and 3 of the transmission and / or reception device 22 of FIG. 2 does not include more than the electrical connections 15 and 16 of the device 1 described with reference to Figure 1.

En se reportant à la figure 3, on voit qu'on a représenté un dispositif d'émission et/ou de réception de signaux radioélectriques 24 qui se différencie du dispositif 1 décrit en référence à la figure 1 par le fait que la partie conductrice 13 du second volume 3 est reliée au pôle (+) de la source d'énergie électrique 12 et s'en différencie également par le fait que la borne d'entrée et/ ou sortie 10 du circuit électronique 5 du premier volume 2 est relié par une ligne 25 à la liaison 16, entre le pôle (+) de la source d'énergie électrique 12 et le moyen d'arrêt 18.Referring to Figure 3, we see that a device for transmitting and / or receiving radio signals 24 which differs from the device 1 described with reference to FIG. 1 by the fact that the conductive part 13 of the second volume 3 is connected to the pole (+) from the electrical energy source 12 and also differs therefrom by the fact that the input and / or output terminal 10 of the electronic circuit 5 of the first volume 2 is connected by a line 25 to link 16, between the pole (+) of the electric power source 12 and the stop means 18.

Avantageusement, la partie conductrice 13 peut être constituée par un réceptacle de la source d'énergie électrique 12, électriquement isolé par rapport à l'enveloppe de cette dernière qui en général constitue son pôle (-).Advantageously, the conductive part 13 can be constituted by a receptacle for the electrical energy source 12, electrically isolated from the latter's envelope which general constitutes its pole (-).

Par ailleurs, la ligne électrique 25 est par exemple formée sur la carte de circuit imprimé 4.Furthermore, the electrical line 25 is for example formed on the printed circuit board 4.

On voit donc que dans l'exemple de la figure 3 également, les moyens de liaison 14 ne comprennent plus que les liaisons 15 et 16 entre les volumes 2 et 3.So we see that in the example of Figure 3 also, the connection means 14 only include connections 15 and 16 between volumes 2 and 3.

Il résulte des exemples décrits en référence aux figures 2 et 3 que soit la liaison galvanique 15 soit la liaison galvanique 16 entre les deux volumes 2 et 3 constituent également la liaison électique radiofréquence entre les parties conductrices principales 11 et 13 des volumes 2 et 3 des dispositifs d'émission et/ou de réception décrits, les courants haute fréquence à la fréquence nominale (f) de l'oscillateur 6 étant barrés par des moyens d'arrêt constitués par soit par la self d'arrêt 17 soit par la self d'arrêt 18 soit, dans une variante, par les fils électriques de liaison eux-mêmes.It follows from the examples described with reference to FIGS. 2 and 3 that either the galvanic connection 15 or the galvanic connection 16 between the two volumes 2 and 3 also constitute the electrical connection radio frequency between the main conductive parts 11 and 13 of the volumes 2 and 3 of the transmission and / or reception devices described, the high frequency currents at nominal frequency (f) of oscillator 6 being blocked by stop means constituted by either by the stop choke 17 either by the choke 18 or, alternatively, by the wires electrical link themselves.

Par ailleurs, les liaisons filaires 14 pourraient être constituées par des fils coaxiaux ou les fils d'un câble multiconducteur éventuellement blindé.Furthermore, the wire connections 14 could be consisting of coaxial wires or wires of a multi-core cable possibly shielded.

De plus, les liaisons filaires 14 pourraient être enroulées ou torsadéees de manière à constituer une ou des selfs d'accord de la résonnance des parties métalliques 11 et 13 sur la fréquence nominale du circuit 5.In addition, the wire connections 14 could be wound or twisted so as to constitute one or more chokes of the resonance of the metal parts 11 and 13 on the nominal frequency of circuit 5.

Bien entendu, le volume 2 pourrait comprendre une autre source d'énergie électrique participant par exemple à l'alimentation des circuits électroniques ou venant en secours. De même, le volume 3 pourrait comprendre des parties ou circuits électroniques accessoires, constituées par exemple par un régulateur de tension.Of course, volume 2 could include another electrical energy source participating for example in the supply of electronic or emergency circuits. Likewise, volume 3 could include accessory electronic parts or circuits, constituted for example by a voltage regulator.

Le dispositif autonome d'émission et/ou de réception de signaux radioélectriques selon la présente invention constituant une antenne peut avantageusement être appliqué en particulier aux composants de systèmes d'appel, d'alarme, de surveillance ou de télécommande.The autonomous device for transmitting and / or receiving radio signals according to the present invention constituting a antenna can advantageously be applied in particular to components of call, alarm, surveillance or remote control.

En effet, il peut avantageusement permettre de réduire les coûts de fabrication de leurs composants, de réduire leur encombrement et de supprimer tout élément à l'extérieur de leur boítier qui est avantageusement fabricable en matière plastique injectée ou conformée.Indeed, it can advantageously make it possible to reduce the manufacturing costs of their components, reduce their size and remove anything outside of their case which is advantageously manufactured in injected or shaped plastic.

Claims (10)

Dispositif d'émission et/ou de réception de signaux radioélectriques sur au moins une fréquence nominale (f), caractérisé par le fait qu'il comprend : un premier et un second volumes (2, 3) qui respectivement comprennent notamment un circuit émetteur et/ou récepteur (5) et notamment une source autonome d'énergie électrique (12) et qui respectivement présentent des parties conductrices de l'électricité ou métalliques principales (11, 13) distantes l'une de l'autre, ainsi que des moyens de liaison électrique (14) entre lesdits volumes, comprenant des liaisons permettant de relier les pôles de ladite source d'énergie électrique aux pôles d'alimentation dudit circuit émetteur et/ou récepteur, les bornes (9, 10) d'entrée et/ou sortie de l'énergie électrique radiofréquence dudit circuit émetteur et/ou récepteur (5) étant l'une reliée à ladite partie conductrice (11) dudit premier volume (2) et l'autre (10) étant reliée à ladite partie conductrice (3) dudit second volume (13) via l'une des liaisons (19 ; 23 ; 25) desdits moyens de liaison, dont les autres liaisons comprennent des moyens (17, 18) d'arrêt des courants dans la bande de ladite fréquence nominale, en particulier des filtres accordés, des selfs de choc ou d'arrêt ou par résonnance du ou des fils de liaison eux-mêmes,    de telle sorte que lesdites parties conductrices (11, 13) desdits premier et second volumes (2, 3) constituent une antenne.Device for transmitting and / or receiving radio signals on at least one nominal frequency (f), characterized in that it comprises: first and second volumes (2, 3) which respectively comprise in particular a transmitter and / or receiver circuit (5) and in particular an autonomous source of electrical energy (12) and which respectively have electrically conductive or metallic parts main (11, 13) distant from each other, as well as electrical connection means (14) between said volumes, comprising connections making it possible to connect the poles of said source of electrical energy to the supply poles of said transmitter and / or receiver circuit, the terminals (9, 10) of input and / or output of the radiofrequency electrical energy of said transmitter and / or receiver circuit (5) being one connected to said conductive part (11) of said first volume (2) and l the other (10) being connected to said conductive part (3) of said second volume (13) via one of the connections (19; 23; 25) of said connection means, the other connections of which comprise means (17, 18) stopping currents in the band of said nominal frequency, in particular tuned filters, shock or stopping inductors or by resonance of the connecting wire (s) themselves, so that said conductive parts (11, 13) of said first and second volumes (2, 3) constitute an antenna. Dispositif selon la revendication 1, caractérisé par le fait que les liaisons des pôles de ladite source d'énergie électrique (12) aux pôles d'alimentation (7, 8) dudit circuit émetteur et/ou récepteur (5) et la liaison (19) de ladite partie conductrice (13) dudit second volume (3) à l'une (10) des bornes d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur (5) sont distincts.Device according to claim 1, characterized by the fact that the connections of the poles of said source of electrical energy (12) to supply poles (7, 8) of said transmitter and / or receiver circuit (5) and the connection (19) of said conductive part (13) of said second volume (3) to one (10) of the input and / or output terminals of said transmitter circuit and / or receiver (5) are separate. Dispositif selon la revendication 1, caractérisé par le fait qu'un premier pôle de ladite source d'énergie électrique (12) est relié à ladite partie conductrice (13) dudit second volume (3), que lesdits moyens de liaison (14) comprennent une liaison (15 ; 16) qui relie ledit premier pôle de ladite source d'énergie électrique (12) d'une part au pôle d'alimentation de même polarité dudit circuit émetteur et/ou récepteur (5) via un moyen d'arrêt (17 ; 18) et d'autre part à l'une (10) desdits bornes d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur (5), et une autre liaison (16 ; 15) qui relie le second pôle de ladite source d'énergie électrique (12) à l'autre pôle d'alimentation (8 ; 7) dudit circuit émetteur et/ou récepteur via un moyen d'arrêt (18 ; 17), et que l'autre borne (9) d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur (5) est reliée (20) à la partie conductrice (11) dudit premier volume (2).Device according to claim 1, characterized by the fact that a first pole of said electrical energy source (12) is connected to said conductive part (13) of said second volume (3), that said connection means (14) comprise a connection (15; 16) which connects said first pole of said electrical energy source (12) on the one hand at power pole of the same polarity of said transmitter circuit and / or receiver (5) via a stop means (17; 18) and on the other hand to one (10) said input and / or output terminals of said transmitter circuit and / or receiver (5), and another link (16; 15) which connects the second pole of said source of electrical energy (12) to the other supply pole (8; 7) of said transmitter and / or receiver circuit via a stop means (18; 17), and that the other input and / or output terminal (9) of said transmitter circuit and / or receiver (5) is connected (20) to the conductive part (11) of said first volume (2). Dispositif selon la revendication 3, caractérisé par le fait que ladite autre borne (9) d'entrée et/ou sortie dudit circuit émetteur et/ou récepteur (5) est reliée au pôle (-) d'alimentation (7) de ce circuit (5).Device according to claim 3, characterized in that that said other input and / or output terminal (9) of said transmitter circuit and / or receiver (5) is connected to the supply pole (-) (7) of this circuit (5). Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que lesdits moyens de liaison comprennent des fils coaxiaux ou les fils d'un câble multiconducteur blindéDevice according to any one of the claims above, characterized in that said connecting means include coaxial wires or wires from a multi-core cable armored Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que lesdites parties conductrices ou métalliques (11, 13) desdits volumes (2 , 3) sont géométriquement dimensionnées et/ou électriquement accordées de manière à résonner sur ladite fréquence nominale (f).Device according to any one of the claims above, characterized in that said conductive parts or metallic (11, 13) of said volumes (2, 3) are geometrically dimensioned and / or electrically tuned so as to resonate on said nominal frequency (f). Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que lesdits moyens de liaison (14) sont géométriquement conformés de façon à constituer une self d'accord de la résonnance desdites parties métalliques (11, 13) sur ladite fréquence nominale.Device according to any one of the claims above, characterized in that said connecting means (14) are geometrically shaped so as to constitute a self of agreement of the resonance of said metal parts (11, 13) on said nominal frequency. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la partie conductrice ou métallique (13) dudit second volume (3) comprend l'enveloppe conductrice ou métallique de ladite source d'énergie électrique (12).Device according to any one of the claims above, characterized in that the conductive part or metallic (13) of said second volume (3) comprises the envelope conductive or metallic of said electrical energy source (12). Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la partie conductrice ou métallique (13) dudit second volume (3) comprend un réceptacle de ladite source d'énergie électrique (12).Device according to any one of the claims above, characterized in that the conductive part or metallic (13) of said second volume (3) comprises a receptacle for said source of electrical energy (12). Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la partie conductrice ou métallique (11) dudit premier volume (2) comprend une couche conductrice d'un support ou carte de circuit imprimé portant ledit circuit émetteur et/ou récepteur (5), tel qu'un plan de masse.Device according to any one of the claims above, characterized in that the conductive part or metallic (11) of said first volume (2) comprises a layer conductor of a support or printed circuit board carrying said circuit transmitter and / or receiver (5), such as a ground plan.
EP97402452A 1996-10-18 1997-10-17 Apparatus forming a transmit and/or receive antenna for radio signals Expired - Lifetime EP0837520B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9612712A FR2754961B1 (en) 1996-10-18 1996-10-18 DEVICE FORMING ANTENNA FOR TRANSMITTING AND / OR RECEIVING RADIOELECTRIC SIGNALS
FR9612712 1996-10-18

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EP0837520A1 true EP0837520A1 (en) 1998-04-22
EP0837520B1 EP0837520B1 (en) 2003-02-19

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EP97402452A Expired - Lifetime EP0837520B1 (en) 1996-10-18 1997-10-17 Apparatus forming a transmit and/or receive antenna for radio signals

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EP (1) EP0837520B1 (en)
AT (1) ATE233020T1 (en)
DE (1) DE69719139T2 (en)
ES (1) ES2194168T3 (en)
FR (1) FR2754961B1 (en)

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DE202014100688U1 (en) * 2014-02-17 2014-03-26 ASTRA Gesellschaft für Asset Management mbH & Co. KG communicator

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPS56126301A (en) * 1980-03-10 1981-10-03 Yaesu Musen Co Ltd Device for battery stored antenna
EP0297790A2 (en) * 1987-06-29 1989-01-04 Nec Corporation Antenna for portable radio communication apparatus
EP0339628A2 (en) * 1988-04-27 1989-11-02 Motorola, Inc. Detachable battery pack with a built-in broadband antenna
EP0339629A2 (en) * 1988-04-27 1989-11-02 Motorola, Inc. Internally mounted broadband antenna
JPH07321688A (en) * 1994-05-25 1995-12-08 Funai Denki Kenkyusho:Kk Built-in antenna of radio equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56126301A (en) * 1980-03-10 1981-10-03 Yaesu Musen Co Ltd Device for battery stored antenna
EP0297790A2 (en) * 1987-06-29 1989-01-04 Nec Corporation Antenna for portable radio communication apparatus
EP0339628A2 (en) * 1988-04-27 1989-11-02 Motorola, Inc. Detachable battery pack with a built-in broadband antenna
EP0339629A2 (en) * 1988-04-27 1989-11-02 Motorola, Inc. Internally mounted broadband antenna
JPH07321688A (en) * 1994-05-25 1995-12-08 Funai Denki Kenkyusho:Kk Built-in antenna of radio equipment

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PATENT ABSTRACTS OF JAPAN vol. 096, no. 004 30 April 1996 (1996-04-30) *

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EP0837520B1 (en) 2003-02-19
FR2754961B1 (en) 1998-11-27
ATE233020T1 (en) 2003-03-15
FR2754961A1 (en) 1998-04-24
ES2194168T3 (en) 2003-11-16
DE69719139T2 (en) 2003-12-04
DE69719139D1 (en) 2003-03-27

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