EP2907945B1 - Dispositifs de communication - Google Patents

Dispositifs de communication Download PDF

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Publication number
EP2907945B1
EP2907945B1 EP15155321.1A EP15155321A EP2907945B1 EP 2907945 B1 EP2907945 B1 EP 2907945B1 EP 15155321 A EP15155321 A EP 15155321A EP 2907945 B1 EP2907945 B1 EP 2907945B1
Authority
EP
European Patent Office
Prior art keywords
circuit board
printed circuit
transceiver
antenna
radiating element
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.)
Active
Application number
EP15155321.1A
Other languages
German (de)
English (en)
Other versions
EP2907945A1 (fr
Inventor
Anatoli Stobbe
Andreas Werner
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.)
Astra Gesellschaft fuer Asset Management mbH and Co KG
Original Assignee
Astra Gesellschaft fuer Asset Management mbH and Co KG
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Publication date
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Publication of EP2907945A1 publication Critical patent/EP2907945A1/fr
Application granted granted Critical
Publication of EP2907945B1 publication Critical patent/EP2907945B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • 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
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support

Definitions

  • the invention relates to a communication device according to the preambles of independent claims 1 and 2.
  • a stationary communication device is preferably housed in existing components of a handle or a locking plate of a door to be secured in order to use these as a housing for attachment to a door and for protection against external influences in a cavity of the existing components.
  • This comprises a first housing and a second housing which is connected to the first housing in an openable and closable manner by a hinge, a first conductor part which is arranged on the first housing, a second conductor part and an antenna element which are arranged on the second housing, and an antenna switching part that combines the first conductor part, the second conductor part and the antenna element as a dipole antenna when the first housing and the second housings are in an open state, and makes the antenna element act as a monopole antenna when the first conductor and the second conductor are in a closed state. Only ground conductors of the circuit boards are used as components of the antenna, but not electronic components.
  • the transceiver has first and second distinct areas.
  • the first area contains the transmitter and receiver and the second area contains the power supply.
  • the two areas each have a conductive metallic sheath.
  • the metallic coverings of the areas and the connecting lines serve as an antenna.
  • An antenna system for a lock cylinder in which the cylinder profile and/or the rotatable cylinder core and/or the lock bit are used as an active antenna pole and at the same time there is a negative ground plane inside an electrically insulated container which is positively connected to the cylinder housing and serves as a counterweight for electromagnetic wave propagation.
  • the foldable wireless device and antenna includes a first housing and a second housing that is pivotally connected.
  • a circuit board associated with the wireless device includes a first PCB in the first housing and a second PCB in the second housing.
  • the first and second PCBs function as first and second radiating plates, respectively.
  • a gap generally aligned with the pivot joint, separates the first and second PCBs.
  • a short is provided that traverses the gap and connects the first and second circuit boards.
  • the invention is based on the object of designing a communication device in such a way that a good antenna efficiency is achieved, taking into account the mechanical dimensions and the metallic material of the housing.
  • This task is performed at a communication facility. solved according to the preamble of claim 1 by the features of this claim.
  • radiator elements consist of electrically conductive components that are present anyway.
  • conductive components of the circuit board of the transceiver are used at the same time as radiator elements of a dipole or monopole.
  • Conductive components are printed conductors, passive and active electrical and electronic components that are in contact with them components and conductive assembly parts.
  • a further radiator element of the dipole or counterpoise of the monopole are similarly conductive components of at least one further printed circuit board and/or a housing or housing part.
  • the radiating element Due to the greater capacitance per unit length of the conductive components of the printed circuit boards and/or the housing or housing part compared to a wire-shaped design of the radiating element with the same length dimensions, the radiating element is already electrically lengthened due to its larger surface area, so that fewer additional measures are then required for tuning to the resonant frequency impedance matching is required. In addition, there is no need to keep separate radiator elements at a distance from the conductive components of the printed circuit board in order to avoid excessive attenuation and detuning of the antenna.
  • the poles of the antenna output and input of the transceiver are coupled at least at high frequency to the respective conductive components.
  • the high-frequency coupling is necessary to transfer high-frequency electrical energy between the transceiver and the antenna. This does not necessarily require a mechanical or galvanic connection.
  • the dimensions of the antenna are less than % of the wavelength and the transceiver is coupled to the antenna through an impedance match.
  • Impedance matching is an inductance
  • the impedance matching can be arranged directly on the printed circuit board on which the transceiver is located and/or on the printed circuit board on which the further radiating element or the counterpoise are arranged.
  • the transceiver can be arranged on a standardized printed circuit board with a uniform design of the impedance matching component, and different geometries of the second printed circuit board and the housing can be compensated for by an additional impedance matching arrangement on the second printed circuit board.
  • the printed circuit board can be plugged into another printed circuit board or a radiator or a counterweight.
  • the further radiator element can be connected galvanically or capacitively to the conductive housing.
  • the housing with its large capacitance per unit length is included as a further radiating component in one of the radiating elements.
  • the components connected or coupled to conductive components of the printed circuit board are both electronic and electrical as well as mechanical electrically conductive components and are therefore part of the radiator elements.
  • the printed circuit board of the transceiver and the additional printed circuit board can be in a knob of a door fitting be attached, the printed circuit board of the transceiver being arranged near an inner side of an end face of the knob at its free end facing away from the door lock, and the further printed circuit board, which carries an electronic circuit for controlling the door lock, being arranged between the printed circuit board of the transceiver and the door lock , wherein the end face of the knob consists of a window permeable to electromagnetic waves and the remaining part of the knob is the electrically conductive housing part.
  • the circuit board of the transceiver and the further circuit board can be mounted in a shield or rosette of a door fitting, the circuit board of the transceiver being arranged near an inner side of a window permeable to electromagnetic waves in the shield or rosette and the remaining part of the shield or the rosette is the electrically conductive housing part.
  • an electric antenna is implemented, the radiating elements of which are integrated in the knob, in the plate or in the rosette of a door fitting. Since the electric field components of the electromagnetic field in the vicinity of the radiating elements predominate in an electric antenna, in contrast to a magnetic antenna, there must not be complete shielding.
  • a transparent window combines mechanical protection with a break in shielding, allowing the radiating element to radiate and receive high-frequency electrical energy.
  • a UHF transceiver 10 is connected with its one antenna connection pole, the ground connection, to a radiator element element 16 and with its other antenna connection pole 12 via an impedance matching consisting of a first inductance 14 and a second inductance 15 to a counterpoise 18 of a monopole antenna.
  • the transceiver can be arranged with its first inductance 14 on a standardized first printed circuit board 20, and an additional inductance 15 on the second printed circuit board 22 can be used to compensate for different geometries of the second printed circuit board 22 and the housing 24 will.
  • the antenna forms a complex load that can be understood as a series connection of an ohmic input resistance RE and a capacitive load CE.
  • the capacitive load CE is formed by a capacitance C1 between two printed circuit boards 20, 22 and a capacitive load C2, C3 between the respective printed circuit board 20, 22 and a housing 24.
  • a window of the housing that is permeable to high-frequency electromagnetic fields 24-lying printed circuit board 20 has the capacitance C2 relative to the housing 24, and a printed circuit board 22 located deeper in the housing 24 has the capacitance C3 relative to the housing 24.
  • C3 is both larger than C1 and larger than C2.
  • a galvanic connection 23 is also possible instead of the capacitance C3.
  • the transceiver with its active and passive components is located on a first printed circuit board 20 close to a Window 26 in the housing 24 and an evaluation circuit with active and passive components on a second printed circuit board 22.
  • the first printed circuit board 20 with conductor tracks, active and passive components and conductive fastening means forms a radiator 16 and the second printed circuit board 22 also with conductor tracks, active and passive components and conductive fastening means forms a counterweight 18. This counterweight is increased capacitively by C3 or by a galvanic connection 23 through the housing 24 itself.
  • the printed circuit boards 20, 22 are coupled to one another in terms of low frequency by means of plug connections 28, conductors 30 and passive components, but are decoupled in terms of high frequency.
  • An exception is the output of the transceiver, which is decoupled in terms of low frequency and coupled in terms of high frequency.

Claims (9)

  1. Dispositif de communication, comprenant un émetteur-récepteur (10) et une antenne, l'émetteur-récepteur (10), avec ses composants actifs et passifs, se trouvant sur un premier circuit imprimé (20) sur lequel sont disposés des pistes conductrices et des composants électroniques, et l'antenne étant une antenne électrique qui est réalisée sous la forme d'une antenne unipolaire avec un élément rayonnant et un contrepoids, l'élément rayonnant (16) de l'antenne unipolaire comprenant des pistes conductrices sur le premier circuit imprimé (20) et le contrepoids (18) de l'antenne unipolaire comprenant des pistes conductrices sur un circuit imprimé supplémentaire (22) séparé, caractérisé en ce que l'élément rayonnant (16) de l'antenne unipolaire se compose en plus de l'émetteur-récepteur (10), avec ses composants actifs et passifs, qui se trouve le premier circuit imprimé (20) à proximité d'une fenêtre (26) dans un boîtier conducteur (24), et se compose en plus de composants actifs et passifs du premier circuit imprimé (20) et de moyens de fixation conducteurs et en ce que le contrepoids (18) de l'antenne unipolaire se compose en plus de composants électroniques d'un circuit électronique supplémentaire, qui sont disposés sur le circuit imprimé supplémentaire (22) séparé, et de moyens de fixation conducteurs, le contrepoids (18) étant agrandi de manière capacitive ou par une liaison galvanique (23) avec le boîtier conducteur (24), un premier pôle de la sortie d'antenne de l'émetteur-récepteur (10) étant couplé à l'élément rayonnant (16) de l'antenne unipolaire et un deuxième pôle (12) de la sortie d'antenne de l'émetteur-récepteur (10) au contrepoids (18) de l'antenne unipolaire, par le biais d'une adaptation d'impédance composée d'une première inductance (14) et d'une deuxième inductance (15), respectivement au moins en haute fréquence, et les dimensions de l'élément rayonnant (16) de l'antenne étant inférieures à ¼ de la longueur d'onde.
  2. Dispositif de communication, comprenant un émetteur-récepteur (10) et une antenne, l'émetteur-récepteur (10), avec ses composants actifs et passifs, se trouvant sur un premier circuit imprimé (20) sur lequel sont disposés des pistes conductrices et des composants électroniques, et l'antenne étant une antenne électrique qui est réalisée sous la forme d'une antenne doublet avec deux éléments rayonnants, un élément rayonnant (16) de l'antenne doublet comprenant des pistes conductrices sur le premier circuit imprimé (20) et un élément rayonnant supplémentaire (18) de l'antenne doublet comprenant des pistes conductrices sur un circuit imprimé supplémentaire (22) séparé, caractérisé en ce qu'un élément rayonnant (16) de l'antenne doublet se compose en plus de l'émetteur-récepteur (10), avec ses composants actifs et passifs, qui se trouve le premier circuit imprimé (20) à proximité d'une fenêtre (26) dans un boîtier conducteur (24), et se compose en plus de composants actifs et passifs du premier circuit imprimé (20) et de moyens de fixation conducteurs et en ce que l'élément rayonnant supplémentaire (18) de l'antenne doublet se compose en plus de composants actifs et passifs d'un circuit électronique supplémentaire, qui sont disposés sur le circuit imprimé supplémentaire (22) séparé, un premier pôle de la sortie d'antenne de l'émetteur-récepteur (10) étant couplé à ledit élément rayonnant (16) de l'antenne doublet et un deuxième pôle (12) de la sortie d'antenne de l'émetteur-récepteur (10) à l'autre élément rayonnant (18) de l'antenne unipolaire, par le biais d'une adaptation d'impédance composée d'une première inductance (14) et d'une deuxième inductance (15), respectivement au moins en haute fréquence, et les dimensions des éléments rayonnants (16, 18) de l'antenne étant inférieures à ¼ de la longueur d'onde.
  3. Dispositif de communication selon la revendication 1 ou 2, caractérisé en ce que l'adaptation d'impédance est disposée soit directement sur le circuit imprimé (20) sur lequel se trouve l'émetteur-récepteur (10), soit sur le circuit imprimé (22) sur lequel sont disposés l'élément rayonnant supplémentaire (18) ou le contrepoids (18).
  4. Dispositif de communication selon la revendication 1 ou 2, caractérisé en ce que l'adaptation d'impédance est disposée en partie directement sur le circuit imprimé (20) sur lequel se trouve l'émetteur-récepteur (10), et en plus sur le circuit imprimé (22) sur lequel sont disposés l'élément rayonnant supplémentaire (18) ou le contrepoids (18).
  5. Dispositif de communication selon l'une des revendications 1 à 4, caractérisé en ce que le premier circuit imprimé (20) est relié de manière enfichable à un circuit imprimé supplémentaire (22) ou un élément rayonnant ou un contrepoids.
  6. Dispositif de communication selon l'une des revendications 1 à 5, caractérisé en ce qu'en présence d'un boîtier conducteur (24) ou d'une partie de boîtier conductrice, l'élément rayonnant supplémentaire est relié galvaniquement ou de manière capacitive au boîtier conducteur (24) ou à la partie de boîtier conductrice.
  7. Dispositif de communication selon l'une des revendications 1 à 6, caractérisé en ce que les éléments rayonnants se composent en plus d'éléments structuraux électriquement conducteurs, reliés ou couplés électriquement ainsi que mécaniquement aux pistes conductrices ou aux composants électroniques des circuits imprimés (20, 22).
  8. Serrure de porte comprenant une commande électronique de la serrure de porte, laquelle comporte un dispositif de communication selon l'une des revendications 1 à 7, caractérisée en ce que le circuit imprimé (20) de l'émetteur-récepteur et le circuit imprimé supplémentaire (22) sont fixés dans un bouton de porte d'une ferrure de porte, le circuit imprimé (20) de l'émetteur-récepteur étant disposé à proximité d'un côté intérieur d'une face frontale du bouton de porte à l'extrémité libre de celui-ci à l'opposé de la serrure de porte, et le circuit imprimé supplémentaire (22), qui porte un circuit électronique servant à commander la serrure de porte, étant disposé entre le circuit imprimé (20) de l'émetteur-récepteur (10) et la serrure de porte, la face frontale du bouton de porte se composant d'une fenêtre (26) perméable aux ondes électromagnétiques et la partie restante du bouton de porte étant la partie de boîtier (24) électriquement conductrice.
  9. Serrure de porte comprenant une commande électronique de la serrure de porte, laquelle comporte un dispositif de communication selon l'une des revendications 1 à 7, caractérisée en ce que le circuit imprimé (20) de l'émetteur-récepteur et le circuit imprimé supplémentaire (22) sont fixés dans un flasque ou une rosette d'une ferrure de porte, le circuit imprimé (20) de l'émetteur-récepteur étant disposé à proximité d'un côté intérieur d'une fenêtre (26) perméable aux ondes électromagnétiques dans le flasque ou dans la rosette et la partie restante du flasque ou de la rosette étant la partie de boîtier (24) électriquement conductrice.
EP15155321.1A 2014-02-17 2015-02-17 Dispositifs de communication Active EP2907945B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201420100688 DE202014100688U1 (de) 2014-02-17 2014-02-17 Kommunikationseinrichtung

Publications (2)

Publication Number Publication Date
EP2907945A1 EP2907945A1 (fr) 2015-08-19
EP2907945B1 true EP2907945B1 (fr) 2022-06-15

Family

ID=50480214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15155321.1A Active EP2907945B1 (fr) 2014-02-17 2015-02-17 Dispositifs de communication

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EP (1) EP2907945B1 (fr)
DE (1) DE202014100688U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014005545U1 (de) * 2014-07-08 2015-10-09 Bks Gmbh Elektronische Schließvorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754961B1 (fr) * 1996-10-18 1998-11-27 Atral Dispositif formant antenne d'emission et/ou de reception de signaux radioelectriques
US7400302B2 (en) * 2006-01-30 2008-07-15 Centurion Wireless Technologies, Inc. Internal antenna for handheld mobile phones and wireless devices
DE102009016410A1 (de) * 2008-08-11 2010-02-18 SIMONS, Hans-Jürgen Antennensystem für einen Schließzylinder, welcher das Zylindergehäuse als aktives Antennenelement nutzt
WO2011141058A1 (fr) * 2010-05-11 2011-11-17 Simons Hans-Juergen Système d'antennes pour cylindre à boutons
JP2012015815A (ja) * 2010-06-30 2012-01-19 Fujitsu Ltd 携帯装置

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EP2907945A1 (fr) 2015-08-19
DE202014100688U1 (de) 2014-03-26

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