FR2793089A1 - Integrated transmitter/receiver transponder antenna having printed circuit board central area components/constant voltage feed and outer radiating strips antenna forming. - Google Patents
Integrated transmitter/receiver transponder antenna having printed circuit board central area components/constant voltage feed and outer radiating strips antenna forming. Download PDFInfo
- Publication number
- FR2793089A1 FR2793089A1 FR9905347A FR9905347A FR2793089A1 FR 2793089 A1 FR2793089 A1 FR 2793089A1 FR 9905347 A FR9905347 A FR 9905347A FR 9905347 A FR9905347 A FR 9905347A FR 2793089 A1 FR2793089 A1 FR 2793089A1
- Authority
- FR
- France
- Prior art keywords
- antenna
- printed circuit
- circuit board
- central area
- constant voltage
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Aerials (AREA)
Abstract
Description
TRANSPONDEUR A ANTENNE INTÉGRÉE. TRANSPONDER WITH INTEGRATED ANTENNA.
La présente invention a pour objet une antenne d'émission/réception d'ondes radioélectriques à une fréquence de 434 Mhz spécifiquement conçue pour permettre d'accueillir les étages et composants électroniques d'un transpondeur autonome de dimensions réduites qui l'utilise pour communiquer avec le milieu extérieur.The present invention relates to an antenna for transmitting / receiving radio waves at a frequency of 434 Mhz specifically designed to accommodate the stages and electronic components of an autonomous transponder of reduced dimensions which uses it to communicate with the external environment.
Dans les conditions habituelles d'utilisation, on constate que l'antenne d'émission/réception est définie comme un composant séparé et raccordée à l'étage d'émission/réception par une structure d'impédance connue : ligne impédante, connecteur, câble coaxial, etc.Under the usual conditions of use, it can be seen that the transmit / receive antenna is defined as a separate component and connected to the transmit / receive stage by a known impedance structure: impedant line, connector, cable coaxial, etc.
Cette dissociation de l'antenne et de l'électronique qui l'utilise présente un certain nombre de désavantages parmi lesquels on peut citer : -l'encombrement : en effet, une fois défini et réalisé l'étage d'émission/réception, il faut lui connecter l'antenne en respectant les contraintes d'environnement nécessaires au fonctionnement nominal de l'antenne choisie.This dissociation of the antenna and the electronics which uses it presents a certain number of disadvantages among which we can cite: -the bulk: in fact, once defined and carried out the transmission / reception stage, it the antenna must be connected to it, respecting the environmental constraints necessary for the nominal operation of the chosen antenna.
Cela conduit toujours à une augmentation du volume de l'équipement, particulièrement significative si l'on veut conserver de bonnes performances radio.This always leads to an increase in the volume of the equipment, which is particularly significant if one wishes to maintain good radio performance.
-L'intégration finale : en effet, lorsqu'il s'agit de finaliser l'équipement dans sa présentation opérationnelle, le compactage et la mise en boîtier des différents étages électroniques de l'antenne de radiocommunication font généralement apparaître des difficultés et des problèmes inattendus, sources de délais et de frais supplémentaires ainsi que des dégradations des performances finales des produits.-Final integration: indeed, when it comes to finalizing the equipment in its operational presentation, the compacting and the packaging of the different electronic stages of the radiocommunication antenna generally give rise to difficulties and problems unexpected, sources of delays and additional costs as well as degradations of the final performances of the products.
-l'absence de maîtrise du diagramme de rayonnement du produit final, généralement dégradé par le compactage et la présentation opérationnelle du produit. -the lack of mastery of the radiation pattern of the final product, generally degraded by the compaction and the operational presentation of the product.
La présente invention a pour objet de pallier les inconvénients précités et de proposer une antenne particulièrement destinée aux transpondeurs de très bonne qualité radio qui constitue par elle-mme la structure d'accueil des étages électroniques. Ainsi, les performances finales sont obtenues sans surprises au bénéfice du coût et des délais de réalisation.The object of the present invention is to overcome the aforementioned drawbacks and to propose an antenna particularly intended for very good radio quality transponders which in itself constitutes the reception structure of the electronic stages. Thus, the final performances are obtained without surprises for the benefit of cost and lead times.
Selon l'invention, le transpondeur incluant un circuit imprimé à au moins deux faces, sur lequel sont implantés différents composant sur au moins une face, est caractérisé en ce que l'antenne est réalisée sur une face dudit circuit sous la forme de deux bandes rayonnantes à la périphérie de la face, autour d'une zone portée à un potentiel constant, occupant la plus grande partie de la zone centrale de la plaque de circuit imprimé.According to the invention, the transponder including a printed circuit with at least two faces, on which different components are located on at least one face, is characterized in that the antenna is produced on one face of said circuit in the form of two strips radiant at the periphery of the face, around an area brought to constant potential, occupying most of the central area of the printed circuit board.
La plage centrale est destinée à recevoir les étages et composants électroniques que comporte le transpondeur, les composants étant montés indifféremment sur une ou plusieurs faces du circuit.The central area is intended to receive the stages and electronic components that the transponder includes, the components being mounted either on one or more faces of the circuit.
Le potentiel constant de la zone centrale peut tre la masse de potentiel O ou une tension constante +Vcc. Cette zone sera désignée dans ce qui suit par zone froide . The constant potential of the central zone can be the mass of potential O or a constant voltage + Vcc. This zone will be designated in the following by cold zone.
Selon l'invention, le diagramme de rayonnement de l'antenne est équivalent à celui de deux dipôles quart d'onde perpendiculaires excités en phase.According to the invention, the radiation pattern of the antenna is equivalent to that of two perpendicular quarter-wave dipoles excited in phase.
Selon une autre caractéristique de l'invention, la largeur des lignes ou bandes constituant l'antenne décroît à partir du point relié à l'émetteur vers le point d'impédance maximale.According to another characteristic of the invention, the width of the lines or bands constituting the antenna decreases from the point connected to the transmitter to the point of maximum impedance.
Ainsi, l'impédance de chacune des deux lignes croit régulièrement du point d'impédance minimale jusqu'au point d'impédance maximale.Thus, the impedance of each of the two lines increases regularly from the point of minimum impedance to the point of maximum impedance.
D'autres caractéristiques et avantages de l'invention apparaîtront au cours de la description qui va suivre d'un mode particulier de réalisation, donné uniquement à titre d'exemple non limitatif, en regard des dessins qui représentent :
-la figure 1, une vue schématique d'une face du circuit
imprimé comprenant une antenne intégrée selon l'invention ;
-la figure 2, une vue de la face opposée ;
-la figure 3, par dessus d'un transpondeur muni d'une
antenne selon l'invention.Other characteristics and advantages of the invention will appear during the following description of a particular embodiment, given solely by way of nonlimiting example, with reference to the drawings which represent:
FIG. 1, a schematic view of one face of the circuit
printed matter comprising an integrated antenna according to the invention;
FIG. 2, a view of the opposite face;
FIG. 3, above a transponder provided with a
antenna according to the invention.
-la figure 4, par dessous du circuit de la figure 3. FIG. 4, below the circuit of FIG. 3.
Sur la figure 1, on a représenté une face du circuit incorporant l'antenne plate selon l'invention. Cette antenne comprend essentiellement deux bandes (1,2) périphériques entourant la zone froide 3 sur l'une des faces. L'impédance de chacune des bandes 1, 2 croit régulièrement du point 5 d'impédance minimale au point 6 d'impédance maximale. La figure 2 représente la face opposée qui contient dans da région centrale la zone froide 8 qui est électriquement connectée à la zone 3, par l'intermédiaire de trous métallisés et qui se trouve donc au mme potentiel.In Figure 1, there is shown a face of the circuit incorporating the flat antenna according to the invention. This antenna essentially comprises two peripheral bands (1,2) surrounding the cold zone 3 on one of the faces. The impedance of each of the bands 1, 2 increases regularly from point 5 of minimum impedance to point 6 of maximum impedance. FIG. 2 represents the opposite face which contains in the central region the cold zone 8 which is electrically connected to the zone 3, via metallized holes and which is therefore at the same potential.
Selon l'invention, la distance, donc l'inverse de la valeur capacitive, par rapport à la zone froide 3,8 croit régulièrement quand on se déplace de 5 vers 6 ce qui produit un système à constantes réparties apte à laisser circuler un courant radiofréquence important dans la partie large des deux bandes, dans la mesure où les deux points 5 sont réunis au plan froid et où les deux points 6 sont réunis au plan froid 3A de la face opposée par un condensateur (non représenté) assurant l'accord à la fréquence considérée.According to the invention, the distance, therefore the inverse of the capacitive value, in relation to the cold zone 3.8 increases steadily when one moves from 5 to 6, which produces a system with distributed constants capable of allowing a current to flow significant radio frequency in the wide part of the two bands, insofar as the two points 5 are joined to the cold plane and where the two points 6 are joined to the cold plane 3A on the opposite side by a capacitor (not shown) ensuring the agreement at the frequency considered.
La figure 3 représente un exemple de réalisation fonctionnant selon l'invention. Les points 6 des deux lignes 1 et 2 sont réunis et connectés à la surface imprimée 7 qui constitue avec la surface imprimée 8 de la face opposée une capacité d'accord des deux lignes à la fréquence considérée.FIG. 3 represents an exemplary embodiment operating according to the invention. The points 6 of the two lines 1 and 2 are joined and connected to the printed surface 7 which constitutes, with the printed surface 8 of the opposite face, a capacity for tuning the two lines to the frequency considered.
La zone 8 est réunie au plan froid. Les deux bandes métalliques 1, 2 sont excitées en parallèle à partir du point 10 (raccordé à l'émetteur) au moyen de deux lignes d'adaptation 9 et 11, les deux points 5 (fig. l) étant connectés au point 10, lui-mme connecté directement au point 13 de la face opposée 8.Zone 8 is joined to the cold plane. The two metal strips 1, 2 are excited in parallel from point 10 (connected to the transmitter) by means of two adaptation lines 9 and 11, the two points 5 (fig. 1) being connected to point 10, itself connected directly to point 13 on the opposite face 8.
Le plan 3 reçoit les composants suivants : microcontrôleur 12, étage d'émission/réception 13, composants des autres fonctions électroniques 14, et pile d'alimentation 16.The plane 3 receives the following components: microcontroller 12, transmission / reception stage 13, components of the other electronic functions 14, and supply battery 16.
Selon l'invention, il est possible d'enlever par exemple la ligne d'adaptation 11, l'excitation d'émission se faisant toujours au point 10 et le signal de réception étant recueilli au point 15, ceci sans dégrader le diagramme de rayonnement et de réception de l'antenne.According to the invention, it is possible to remove, for example, the adaptation line 11, the emission excitation always taking place at point 10 and the reception signal being collected at point 15, this without degrading the radiation diagram. and receiving the antenna.
Les longueurs des deux côtés du support de circuit imprimé peuvent tre égales ou différentes, le circuit imprimé pouvant tre adapté à une forme carrée ou rectangulaire, selon le besoin, sans que cela perturbe le bon fonctionnement de l'antenne. Mais la somme des longueurs des deux côtés doit rester la mme pour chacune des bandes 1 et 2.The lengths of the two sides of the printed circuit support can be equal or different, the printed circuit being able to be adapted to a square or rectangular shape, as required, without this disturbing the proper functioning of the antenna. But the sum of the lengths of the two sides must remain the same for each of the bands 1 and 2.
Grâce à l'invention, l'antenne d'émission est obtenue directement avec le circuit imprimé et son encombrement est ainsi très réduit.Thanks to the invention, the transmitting antenna is obtained directly with the printed circuit and its size is thus very reduced.
Il va de soi que de nombreuses variantes peuvent tre apportées, notamment par substitution de moyens techniques équivalents, sans sortir pour cela du cadre de l'invention. It goes without saying that numerous variants can be made, in particular by substitution of equivalent technical means, without departing from the scope of the invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9905347A FR2793089B3 (en) | 1999-04-28 | 1999-04-28 | TRANSPONDER WITH INTEGRATED ANTENNA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9905347A FR2793089B3 (en) | 1999-04-28 | 1999-04-28 | TRANSPONDER WITH INTEGRATED ANTENNA |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2793089A1 true FR2793089A1 (en) | 2000-11-03 |
| FR2793089B3 FR2793089B3 (en) | 2001-06-08 |
Family
ID=9544939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9905347A Expired - Lifetime FR2793089B3 (en) | 1999-04-28 | 1999-04-28 | TRANSPONDER WITH INTEGRATED ANTENNA |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2793089B3 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003038897A3 (en) * | 2001-10-18 | 2003-08-28 | Siemens Ag | Electronic unit, circuit design for the same, and production method |
| US6903958B2 (en) | 2000-09-13 | 2005-06-07 | Siemens Aktiengesellschaft | Method of writing to an organic memory |
| US7786818B2 (en) | 2004-12-10 | 2010-08-31 | Polyic Gmbh & Co. Kg | Electronic component comprising a modulator |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1309994A2 (en) | 2000-08-18 | 2003-05-14 | Siemens Aktiengesellschaft | Encapsulated organic-electronic component, method for producing the same and use thereof |
| DE10061297C2 (en) | 2000-12-08 | 2003-05-28 | Siemens Ag | Procedure for structuring an OFET |
| DE10105914C1 (en) | 2001-02-09 | 2002-10-10 | Siemens Ag | Organic field effect transistor with photo-structured gate dielectric and a method for its production |
| DE10151036A1 (en) | 2001-10-16 | 2003-05-08 | Siemens Ag | Isolator for an organic electronic component |
| DE10160732A1 (en) | 2001-12-11 | 2003-06-26 | Siemens Ag | OFET used e.g. in RFID tag, comprises an intermediate layer on an active semiconductor layer |
| DE10212640B4 (en) | 2002-03-21 | 2004-02-05 | Siemens Ag | Logical components made of organic field effect transistors |
| DE10226370B4 (en) | 2002-06-13 | 2008-12-11 | Polyic Gmbh & Co. Kg | Substrate for an electronic component, use of the substrate, methods for increasing the charge carrier mobility and organic field effect transistor (OFET) |
| US8044517B2 (en) | 2002-07-29 | 2011-10-25 | Polyic Gmbh & Co. Kg | Electronic component comprising predominantly organic functional materials and a method for the production thereof |
| DE10253154A1 (en) | 2002-11-14 | 2004-05-27 | Siemens Ag | Biosensor, used to identify analyte in liquid sample, has test field with detector, where detector registers field changes as electrical signals for evaluation |
| WO2004047144A2 (en) | 2002-11-19 | 2004-06-03 | Polyic Gmbh & Co.Kg | Organic electronic component comprising a structured, semi-conductive functional layer and a method for producing said component |
| DE10302149A1 (en) | 2003-01-21 | 2005-08-25 | Siemens Ag | Use of conductive carbon black / graphite blends for the production of low-cost electronics |
| DE10339036A1 (en) | 2003-08-25 | 2005-03-31 | Siemens Ag | Organic electronic component with high-resolution structuring and manufacturing method |
| DE10340643B4 (en) | 2003-09-03 | 2009-04-16 | Polyic Gmbh & Co. Kg | Printing method for producing a double layer for polymer electronics circuits, and thereby produced electronic component with double layer |
| DE10340644B4 (en) | 2003-09-03 | 2010-10-07 | Polyic Gmbh & Co. Kg | Mechanical controls for organic polymer electronics |
| DE102004040831A1 (en) | 2004-08-23 | 2006-03-09 | Polyic Gmbh & Co. Kg | Radio-tag compatible outer packaging |
| DE102004059465A1 (en) | 2004-12-10 | 2006-06-14 | Polyic Gmbh & Co. Kg | recognition system |
| DE102004063435A1 (en) | 2004-12-23 | 2006-07-27 | Polyic Gmbh & Co. Kg | Organic rectifier |
| DE102005009820A1 (en) | 2005-03-01 | 2006-09-07 | Polyic Gmbh & Co. Kg | Electronic assembly with organic logic switching elements |
| DE102005009819A1 (en) | 2005-03-01 | 2006-09-07 | Polyic Gmbh & Co. Kg | electronics assembly |
| DE102005017655B4 (en) | 2005-04-15 | 2008-12-11 | Polyic Gmbh & Co. Kg | Multilayer composite body with electronic function |
| DE102005031448A1 (en) | 2005-07-04 | 2007-01-11 | Polyic Gmbh & Co. Kg | Activatable optical layer |
| DE102005035589A1 (en) | 2005-07-29 | 2007-02-01 | Polyic Gmbh & Co. Kg | Manufacturing electronic component on surface of substrate where component has two overlapping function layers |
| DE102005044306A1 (en) | 2005-09-16 | 2007-03-22 | Polyic Gmbh & Co. Kg | Electronic circuit and method for producing such |
-
1999
- 1999-04-28 FR FR9905347A patent/FR2793089B3/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6903958B2 (en) | 2000-09-13 | 2005-06-07 | Siemens Aktiengesellschaft | Method of writing to an organic memory |
| WO2003038897A3 (en) * | 2001-10-18 | 2003-08-28 | Siemens Ag | Electronic unit, circuit design for the same, and production method |
| US7786818B2 (en) | 2004-12-10 | 2010-08-31 | Polyic Gmbh & Co. Kg | Electronic component comprising a modulator |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2793089B3 (en) | 2001-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2793089A1 (en) | Integrated transmitter/receiver transponder antenna having printed circuit board central area components/constant voltage feed and outer radiating strips antenna forming. | |
| EP0604338B1 (en) | Space-saving broadband antenna with corresponding transceiver | |
| FR2752646A1 (en) | PLANE PRINTED ANTENNA WITH OVERLAPPING ELEMENTS SHORT CIRCUITS | |
| FR2843832A1 (en) | Wideband dielectric resonator antenna, for wireless LAN, positions resonator at distance from zero to half wavelength in the resonator dielectric from one edge of earth plane of substrate on which it is mounted | |
| FR2860927A1 (en) | LOW VOLUME INTERNAL ANTENNA | |
| FR2812766A1 (en) | ANTENNA WITH RADIANT SURFACE (S) PLANE (S) AND PORTABLE TELEPHONE COMPRISING SUCH ANTENNA | |
| AU2001247850A1 (en) | Microwave antenna for use in a vehicle | |
| FR2853996A1 (en) | Antenna system for PCMCIA card, has transmission antenna placed between two reception antennas, where antenna system is placed at edge of PCMCIA card in zone placed exterior to PCMCIA card reader in computer | |
| FR2819109A1 (en) | MULTI-BAND ANTENNA FOR MOBILE DEVICES | |
| EP2095465A1 (en) | Mono- or multi-frequency antenna | |
| FR2616015A1 (en) | Method for improving the decoupling between printed antennas | |
| FR2709604A1 (en) | Antenna for portable radio. | |
| EP1393411B1 (en) | Omnidirectional resonant antenna | |
| WO2006125925A1 (en) | Monopole antenna | |
| EP3815184A1 (en) | Radiofrequency transmission device comprising a fastening element forming a radiating portion of an antenna | |
| EP0991135B1 (en) | Selective antenna with frequency switching | |
| FR2971370A1 (en) | CIRCULAR POLARIZATION ANTENNA SYSTEM AND RADIO FREQUENCY TAG READER HAVING SUCH A SYSTEM | |
| EP3605730B1 (en) | Antenna device with two different and secant planar substrates | |
| FR2791815A1 (en) | Compact metallic plate UHF antenna, e.g. for small transponders, has folded trihedral structure with horizontal and vertical sections forming ground planes and inclined section acting as radiator | |
| EP0102888B1 (en) | Mixer for ultra high frequency electromagnetic waves with sum frequency recovery | |
| EP1532579A1 (en) | Electronic label antenna | |
| EP3306746B1 (en) | Cavity radiating element and radiating network comprising at least two radiating elements | |
| EP3891768B1 (en) | Coupling device with parts coupling an electrical connection and a conducting element | |
| EP3331097B1 (en) | Antenna device | |
| WO2017085232A1 (en) | Electronic apparatus with limited spurious radio emissions |