Electronic communications system
First Claim
1. An electronic communications system (100), equipped with [a.1] at least one base station (10), to which [a.2] at least one LC resonant circuit (13, 16) [a.2.1] with at least one antenna unit (16) in the form of a coil, and [a.2.2] at least one capacitive unit (13) series-connected to the antenna unit (16) is assigned, which base station (10) is arranged, in particular, on an object to be secured against unauthorized use and/or against unauthorized access, such as on a means of locomotion, on an access system or on an entry system, and [b.1] at least one transponder station (40), to which [b.2] at least one antenna unit (44) in the form of a coil is assigned, which transponder station (40) can be carried by, in particular, an authorized user and/or is designed for the exchanging of data signals (22, 24) with the base station (10), wherein the utilization and/or access entitlement is determined and/or the base station (10) can be controlled accordingly by means of these data signals (22, 24), characterized in that [c.1] connected in parallel with the antenna unit (16) and/or in parallel with the capacitive unit (13) is at least one tuning circuit (17,18), equipped with [c.1.1] at least one first element (17) in the form of at least one capacitive unit or in the form of at least one inductive unit, and [c.1.2] at least one regulating resistor (18), series-connected to the first element (17), the variable resistance value of which regulating resistor can be controlled in order to set and/or to calibrate the resonant frequency of the LC resonant circuit (13, 16).
13 Assignments
0 Petitions
Accused Products
Abstract
In order that an electronic communications system (100) equipped with: [a.1] at least one base station (10), to which [a.2] at least one LC resonant circuit (13, 16) [a2.1] with at least one antenna unit (16) in the form of a coil, and [a.2.2] at least one capacitive unit (13) series-connected to the antenna unit (16) is assigned, which base station (10) is arranged, in particular, on an object to be secured against unauthorized use and/or against unauthorized access, such as on a means of locomotion, on an access system or on an entry system, and [h.1] at least one transponder station (40), to which [h.2] at least one antenna unit (44) in the form of a coil is assigned, which transponder station (40) can be carried by, in particular, an authorized user and/or is designed for the exchanging of data signals (22, 24) with the base station (10), wherein the utilization and/or access entitlement is determined and/or the base station (10) can be controlled accordingly by means of these data signals (22, 24), may be further developed in such a way that it can be relied upon that a detuning of the resonant frequency of the LC resonant circuit (13, 16) no longer occurs, it is proposed that the resonant frequency of the LC resonant circuit (13, 16) is set to a predetermined desired value, and/or calibrated, by means of at least one tuning circuit (17, 18) connected in parallel with the antenna unit (16) and/or in parallel with the capacitive unit (13).
25 Citations
12 Claims
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1. An electronic communications system (100), equipped with
[a.1] at least one base station (10), to which [a.2] at least one LC resonant circuit (13, 16) [a.2.1] with at least one antenna unit (16) in the form of a coil, and [a.2.2] at least one capacitive unit (13) series-connected to the antenna unit (16) is assigned, which base station (10) is arranged, in particular, on an object to be secured against unauthorized use and/or against unauthorized access, such as on a means of locomotion, on an access system or on an entry system, and [b.1] at least one transponder station (40), to which [b.2] at least one antenna unit (44) in the form of a coil is assigned, which transponder station (40) can be carried by, in particular, an authorized user and/or is designed for the exchanging of data signals (22, 24) with the base station (10), wherein the utilization and/or access entitlement is determined and/or the base station (10) can be controlled accordingly by means of these data signals (22, 24), characterized in that [c.1] connected in parallel with the antenna unit (16) and/or in parallel with the capacitive unit (13) is at least one tuning circuit (17,18), equipped with [c.1.1] at least one first element (17) in the form of at least one capacitive unit or in the form of at least one inductive unit, and [c.1.2] at least one regulating resistor (18), series-connected to the first element (17), the variable resistance value of which regulating resistor can be controlled in order to set and/or to calibrate the resonant frequency of the LC resonant circuit (13, 16).
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3. A base unit (30), in particular a transponder communications device, for an electronic communications system (100), which comprises:
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[d.1] at least one base station (10), which is assigned to [d.2] at least one LC resonant circuit (13, 16) [d.2.1] with at least one antenna unit (16) in the form of a coil and [d.2.2] at least one capacitive unit (13) series-connected to the antenna unit (16) which base station (10) is arranged, in particular, on an object to be secured against unauthorized use and/or against unauthorized access, such as on a means of locomotion, on an access system or on an entry system, and [e.1] at least one transponder station (40), to which [e.2] at least one antenna unit (44) in the form of a coil is assigned, which transponder station (40) can be carried by, in particular, an authorized user and/or is designed for the extension of data signals (22, 24) with the base station (10), within the utilization and/or access entitlement is determined and/or the base station (10) can be controlled accordingly by means of these data signals (22, 24), wherein [f.1] at least one tuning circuit (17, 18) is connected in parallel with the antenna unit (16) and/or in parallel with the capacitive unit (13), wherein the at least one tuning circuit (17, 18) comprises;
[f.1.1] at least a first element (17) in the form of at least one capacitive unit or in the form of at least one inductive unit, and [f.1.2] at least one regulating resistor (18), series-connected to the first element (17), the variable resistance value of which regulating resistor can be controlled in order to set and/or to calibrate the resonant frequency of the LC resonant circuit (13, 16), characterized by at least one base station (10), at least one microcontroller unit (12) connected to the base station (10) and/or at least one (analog) interface (14) connected to the microcontroller unit (12). - View Dependent Claims (4)
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6. A transponder station (40) for an electronic communications system (100), which electronic communications system (100) comprises:
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[g.1] at least one base station (10), to which [g.2] at least one LC resonant circuit (13, 16) [g.2.1] with at least one antenna unit (16) in the form of a coil, and [g.2.2] at least one capacitive unit (13) series-connected to the antenna unit (16) is assigned, which base station (10) is arranged, in particular, on an object to be secured against unauthorized use and/or against unauthorized access, such as on a means of locomotion, on an access system or on an entry system, and [h.1] at least one transponder station (40), to which [h.2] at least one antenna unit (44) in the form of a coil is assigned, which transponder station (40) can be carried by, in particular, an authorized user and/or is designed for the exchanging of data signals (22, 24) with the base station (10), wherein the utilization and/or access entitlement is determined and/or the base station (10) can be controlled accordingly by means of these data signals (22, 24), where [i.1] connected in parallel with the antenna unit (16) and/or in parallel with the capacitive unit (13) is at least one tuning circuit (17,18), equipped with [i.1.1] at least one first element (17) in the form of at least one capacitive unit or in the form of at least one inductive unit, and [i.1.2] at least one regulating resistor (18), series-connected to the first element (17), the variable resistance value of which regulating resistor can be controlled in order to set and/or to calibrate the resonant frequency of the LC resonant circuit (13, 16), characterized by at least one electrical or electronic circuit configuration (42) connected to the antenna unit (44). - View Dependent Claims (7, 8)
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9. A method of operating at least one electronic communications system (100) in which data signals (22, 24) are exchanged between at least one antenna unit (16), in the form of a coil, of at least one LC resonant circuit (13, 16) assigned to at least one base station (10), and at least one antenna unit (44), in the form of a coil, of at least one transponder station (40),
wherein the base station (10) is arranged, in particular, on an object to be secured against unauthorized use and/or against unauthorized access, such as on a means of locomotion, on an access system or on an entry system, and wherein the utilization and/or access entitlement is determined and/or the base station (10) is controlled accordingly by means of these data signals (22, 24), characterized by the resonant frequency of the LC resonant circuit (13, 16) being set to a predetermined desired value, and/or calibrated, by means of at least one tuning circuit (17, 18) connected in parallel with the antenna unit (16) and/or in parallel with the capacitive unit (13).
Specification