Electrical circuit for multi-zone monitoring of a measurement parameter

Abstract

The invention relates to an electrical circuit (10) for multi-zone monitoring of a measurement parameter, comprising: multiple component groups (18, 18a-18e), wherein each component group (18, 18a-18e) has at least one sensor component (19a-19q) with at least one electrical property dependent on the measurement parameter, and an evaluation device (28) which has a measurement channel (26) for detecting an electrical signal, wherein the measurement channel (26) is connected to the multiple component groups (18a-18e) via a common electrical signal line (24), wherein the evaluation device (28) is designed to determine the measurement parameter at multiple or all sensor components (19a-19q) via evaluation of the electrical signal.

Description

[0001]25-06-2025-4267 1601-HauP tPos t-0010PCT / DE2025 / 000068 T-SE-0055-WO Electrical circuit for multi-zone monitoring of a measurement parameter. The invention: Circuit for multi-zone monitoring of a measurement parameter, comprising: several component groups, each component group comprising at least a sensor component, at least one property dependent on the measurement parameter, and an evaluation device, which has a measurement channel for acquiring a signal, wherein the measurement channel is connected to the several component groups via a common signal, wherein the evaluation device evaluates the signal to determine the measurement parameter at several or all sensor components. Further invention: Patient heating, circuit for multi-zone monitoring of a measurement parameter. Furthermore invention: Vehicle interior, circuit for multi-zone monitoring of a measurement parameter. Further invention: In particular, a circuit for multi-zone monitoring of a measurement parameter.Known assemblies for multi-zone monitoring of a measurement parameter use several measuring components whose properties are determined by the parameter being monitored. For example, the parameter being monitored could be temperature, which can be monitored by thermoelectric measuring components such as hot-wire or other thermocouples. In multi-zone monitoring, each measuring component has its own cables and connections. Furthermore, the evaluation unit uses several measuring channels through which signals from the measuring components can be evaluated. This results in a comparatively high overall size and a large space requirement for packaging and installation space. In addition, known assemblies for multi-zone monitoring have a comparatively complex assembly process.The object underlying the invention is therefore to enable multi-zone monitoring of a measurement parameter from several measuring components. This is achieved by circuitry as described above, where component groups exhibit differing component-group-specific behaviors, and an evaluation device is used to assign measurement parameters to component groups based on their component-specific behaviors. The circuit according to the invention enables multi-zone monitoring of a measurement parameter, which is used to monitor several measuring areas. Thus, a large-area monitoring area of ​​several component groups can be monitored using a comparatively simple circuit. This allows for multi-zone monitoring, which can detect increases in measurement parameters, such as temperature increases. The circuit is driven by current. The current has a current intensity. The current is determined by the applied voltage.Circuit by, in particular, a current source and / or voltage source. The energy source can generate direct current. The energy source can generate alternating current. The alternating current can have an alternating frequency between 50 Hz and 60 Hz. 25-06-2025-42671601-HauPi Pos t-0012 PCT / DE2025 / 000068 ..3.. preferably of 50 Hz or 60 Hz. The energy source can be a power grid. The energy source can have a mains voltage. The mains voltage can be a low voltage. The mains voltage can be a voltage between 100 V and 240 V, preferably between 100 V and 127 V, or between 220 V and 240 V, particularly preferably between 120 V or 230 V. The energy source can be a battery and / or accumulator. The energy source can have a voltage between 100 V and 100 V, preferably between 5 V and 50 V, particularly preferably between 10 V and 15 V. It can include a current. It can include a voltage.can include an alternating and / or direct voltage. can include an alternating and / or direct current. can include complex. complex can include current and / or voltage. The multiple component groups can include surface-mount devices (SMD devices) and have comparatively low material requirements and / or packaging and installation space requirements compared to multiple component groups. The evaluation unit includes control and / or the measurement channel connected to the or the. The measurement channel and can be formed from the same. The measurement channel and can have the same or. The measurement channel and / or can include energy and / or current and / or, in particular, such as copper and / or gold and / or and / or aluminum and / or. The measurement channel and / or can include fiber optics. This can be a 25~0€-2025-42671601HHau^^ PCT / DE2025 / 000068 ..4..Frequency, phase shift, in particular a phase shift angle, or a duty cycle. The evaluation device can include and / or analog signals. In another embodiment of the circuit according to the invention, the measurement parameters include temperature. The sensor component measures temperature. By heating or cooling the sensor component, the sensor component changes. The sensor component represents a temperature sensor and can be used for temperature monitoring. Temperature monitoring can be used in the medical field and / or vehicles. In another embodiment of the circuit according to the invention, the measurement parameters can be a property of a magnetic field and / or capacitance and / or mechanical stress and / or the sensor components.For example, a property of one of the sensor components can depend on temperature and a property of a second sensor component of the same circuit can depend on mechanical stress. In a preferred embodiment of the circuit according to the invention, or several component groups can include at least one resistor. The at least one resistor can be a sensor component. The at least one resistor can be a passive component. The at least one resistor can be a measuring resistor. The at least one resistor can include vanadium dioxide. When vanadium dioxide has a temperature limit of 68 °C, the vanadium dioxide changes from one state to another by a factor of 25. Vanadium dioxide can be used. Vanadium dioxide at 65 °C can be used in one of two phases.The phase contains vanadium dioxide, and the phases are monoclinic. One or more component groups can comprise, in particular, an NTC resistor or NTC thermistor. The at least one resistor can, in particular, comprise a film resistor, ground resistor, wire resistor, or potentiometer. The film resistor can comprise a cermet and / or photoresistor. The film resistor can comprise a braking and / or shunt resistor. The ground resistor can comprise a carbon ground, ceramic ground, and / or other resistor. In a further preferred embodiment of the circuit according to the invention, resistors of the one or more component groups have the same or different ohmic resistance values. If a component group comprises several resistors, the resistors can have the same or different resistance values.If several component groups comprise at least one resistor, the resistors of the several component groups can have the same resistance values. Resistors can be designed as sensor components. If resistors have ohmic resistance values, at least one measurement parameter can be assigned to the resistor, or to the sensor. The ohmic resistance values ​​of the resistors differ by at least preferably by at least, and particularly preferably by at least 5. The resistors can be the same or comprise the same components. The resistors can comprise alloys. The resistors 25-Ö6-2025-42671601-HsuP Po -0015 PCT / DE2025 / 000068 --6-- can comprise alloys. The resistors can comprise the same components. In another preferred embodiment of the circuit according to the invention, the components may comprise or comprise several component groups, or at least one capacitor.The capacitor comprises electrodes and is a passive component. The electrodes and the capacitor can be arranged in a single or stacked configuration. The capacitor can comprise a ceramic, aluminum, and / or supercapacitor. When a direct current voltage is applied to the capacitor, the electrodes are charged with opposite polarity. When an alternating current voltage is applied to the capacitor, the phase relationship between the voltage and the electric current is shifted. The capacitor can be configured as a sensor component. In an embodiment of the circuit according to the invention, capacitors of one or more component groups have the same capacitances. If a single component group comprises several capacitors, the capacitors can have the same capacitances. If several component groups comprise at least one capacitor, the capacitors of the several component groups can have the same capacitances.The capacitors can be designed as sensor components. If capacitors have capacitances, then at least the measurement parameter can be assigned to the capacitor, or to the sensor. The capacitances of the capacitors differ by at least preferably by at least, and particularly preferably by at least 5. The capacitors can be the same or comprise. The capacitors can comprise. The capacitors can comprise alloys. The capacitors can comprise the same. 25-06-2025-42671601-HauP-t Pos “OOIS PCT / DE2025 / 000068 --7-- further preferred embodiment of the circuit according to the invention comprise or several component groups. The at least one coil comprises at least one winding of a coil. The coil can be made of enameled copper wire or copper wire. The coil can comprise a high-frequency litz wire.The at least one coil can generate magnetic fields and / or the at least one coil is a passive component. When alternating voltage is applied to the at least one coil, the phase relationship between voltage and electric current is shifted. The at least one coil can be designed as a sensor component. In another preferred embodiment of the circuit according to the invention, the coils of one or more component groups have the same or different characteristics. If a single component group comprises several coils, the coils can have the same or different characteristics. If several component groups comprise at least one component group, the coils of the several component groups can have the same or different characteristics. The coils can be designed as sensor components. If the coils have at least one component group, the measurement parameter of the sensor can be assigned to the sensor or the sensor. The coils differ by at least preferably by at least five characteristics. The coils can comprise the same or different characteristics. The coils can comprise the same or different characteristics.Furthermore, a circuit according to the invention, comprising one or more component groups, or a resonant circuit comprising one or more component groups, includes at least one capacitor and at least one resonant circuit. Energy is exchanged between the magnetic field of the coil and that of the capacitor. 25-06-2025-42671601-HauP Po st-0017 PCT / DE2025 / 000068 --8-- and alternately high current and voltage are exchanged. The resonant circuit of one or more component groups includes a resonant circuit frequency. If the resonant circuit is resonant, then the resonant circuit frequency includes a resonant circuit resonance frequency. The resonant circuit resonance frequency includes a natural frequency of the resonant circuit. The resonant circuit can include a damped resonant circuit. A damped resonant circuit includes at least a damped oscillation. A damped oscillation includes at least a signal phase.In a further preferred embodiment of the circuit according to the invention, the evaluation device is based on the detuning of at least one resonant circuit, which assigns the measurement parameter to one, several, or all sensor components and / or to a component group. Measurement parameters that are determined due to detuning of the resonant circuits, or without detuning of the resonant circuits, can be assigned to a component group. Changing the resonant circuit's resonant frequency is a detuning of the resonant circuit. The resonant circuit's resonant frequency can be temperature-dependent. A deviation from the reference measurement parameter, for example, the output temperature, is a detuning of the resonant circuit.Resonant circuits preferably have overlapping resonant frequencies. The resonant circuits preferably have overlapping resonant frequencies. The resonant circuits preferably have overlapping resonant frequencies. If evaluation device 25“06-2025-42671601“Hau P Pc “0018 PCT / DE2025 / 000068 --9-- medical field and the measurement parameter temperature of 0 °C -50. If evaluation device a vehicle and the measurement parameter temperature of 160 °C, preferably 85 °C, particularly preferably 60 °C. The resonant frequencies of the individual resonant circuits can be non-overlapping frequency ranges.The resonant frequencies of the individual resonant circuits can be non-overlapping frequency ranges, such that the effect of neighboring signals on other neighboring signals or signal maximums below a limit value. The limit value can be a maximum of 3%, preferably 3%, particularly preferably 3%. The resonant frequencies of the individual resonant circuits can be non-overlapping frequency ranges of the orthogonal frequency division multiplexing method. The orthogonal frequency division multiplexing method is a modulation method in which several orthogonal carriers are used for data transmission. In a preferred embodiment of the circuit according to the invention, an evaluation device is used to evaluate the impedance by impedance spectroscopy. The impedance is a complex resistance, or AC resistance. Impedance spectroscopy includes determining the impedance as a function of the frequency of the alternating current.By using an evaluation device to evaluate the data from impedance spectroscopy, the measurement parameter of the component group can be assigned based on the impedance characteristics. In another preferred embodiment of the circuit according to the invention, an evaluation device is used to evaluate the data from Fourier analysis. The analysis can be time-dependent or frequency-dependent. 25" 06"2025-42671601"H au P Po "001 9 PCT / DE2025 / 000068 -- 10-- The time-dependent data can include and / or the frequency-dependent data. The transformation can include and / or the transformation. The transformation can be from Fast Transform (FFT) and / or the data from Fourier analysis. By using an evaluation device to evaluate the data from Fourier analysis, the measurement parameter of the component group can be assigned based on the resonant circuit characteristics, in particular the resonant circuit frequency.In another preferred embodiment of the circuit according to the invention, the evaluation device accesses information on the properties dependent on the measurement parameter and / or on information on the assembly-specific behavior. This information is stored in a memory included by the evaluation device. Based on the information on the properties dependent on the measurement parameter, the measurement parameter can be determined. Based on the information on the assembly-specific behavior, the measurement parameter can be assigned to a component group. In a further preferred embodiment of the circuit according to the invention, the component group-specific behavior includes the response behavior to an input signal applied to the circuit, wherein the input signal preferably comprises a single and / or alternating current. The input signal can comprise a single and / or alternating current.The input signal can be periodic. The periodic signal can have a waveform. The waveform can be rectangular or sawtooth. 25-06-2025-4267160 l“HauPi Pcs t-0020 PCT / DE2025 / 000068 -- The input signal can be generated by a function generator or a [missing information]. The input signal can include a signal phase. The input signal can include a [missing information]. The pulse can be a shaped pulse and / or a rectangular pulse. The input signal can have a [missing information]. The input signal can have an exponential waveform. The response to the input signal can be phase-shifted relative to the input signal. The response to the input signal can have a different maximum and / or minimum value than the input signal. The response to the input signal can have a different waveform than the input signal.In a preferred embodiment of the circuit according to the invention, the response behavior of several or all component groups depends on the current of the input signal. The current of the input signal can have a time-dependent profile. Because the response behavior of the component group depends on the current of the input signal, the response behavior can be influenced by changing the current. In a further preferred embodiment of the circuit according to the invention, the response behavior of several or all component groups depends on the voltage of the input signal. The voltage of the input signal can have a time-dependent profile. Because the response behavior of the component group depends on the voltage of the input signal, the response behavior can be influenced by changing the voltage.other preferred embodiment of the circuit according to the invention evaluation device to generate the input signal, wherein the input signal preferably comprises an alternating current having an alternating current frequency and / or wherein 25~06“2025-42€71601 “HbuPIPoS ”0021 PCT / DE2025 / 000068 -. - 12--The response behavior depends on the AC frequency. The evaluation unit can include a function generator. The response behavior to the input signal can have a different AC frequency than the input signal. In another preferred embodiment of the circuit according to the invention, it can include or comprise several component groups and antennas. The antennas can include transmitting or receiving antennas. The antennas can generate and / or receive electromagnetic waves. Preferably, the antennas are used to exchange data by generating and / or receiving electromagnetic waves. The antennas can exchange radio-frequency (RFID) data. The antennas can exchange data to measure spatial distances, in particular.The circuit can, in particular, be a heating blanket. The antennas of the patient heating circuit can be designed so that at least one of the sensor components includes temperature and at least one or more component groups with spatial distances between them. This allows both the temperature of the patient heating to be monitored and whether the patient heating is, at least in certain areas, overheating, and unwanted localized overheating of the patient heating, or of the patient heating, can be avoided. In another preferred embodiment of the circuit according to the invention, it can be designed with a low profile and / or in a low-profile manner.The aluminum layer can be positioned. The aluminum layer can be positioned. The support layer can be positioned. The support layer can be 25-06“2025-426'71601~HauP $-0022 PCT / DE2025 / 000068 13-- The object underlying the invention is to provide a patient heating system according to the invention, as mentioned above, wherein the circuit is designed according to the preceding embodiments and the patient heating system according to the invention is thus referred to and the circuit according to the invention. The patient heating system can be connected to the patient heating system, or seat heating system, in a vehicle. The evaluation unit of the patient heating system, or the patient heating system, can be connected to and / or the patient heating system. The evaluation unit can be designed for multiple uses. The evaluation unit can be designed outside the patient heating system, or the patient heating system, and in particular independently of the patient heating system. The patient heating system, or the patient heating system, can generate heat from energy. The patient heating system, or the patient heating system, can have an energy source such as the circuit.Patient heating can be a heating blanket, and the circuit can be used for patient heating, or the seat heating can be used for vehicle seats. The seat heating can be used for the and / or the rear bench of the vehicle. The seat heating can be used for the headrests of the vehicle seats. The object underlying the invention is to provide a vehicle interior according to the invention, as mentioned above, wherein the circuit is designed according to the preceding embodiments of the patient heating according to the invention and thus refers to the circuit according to the invention. The vehicle interior comprises the vehicle cabin. In the vehicle interior, vehicle seats equipped with seat heating can be used, or the rear bench of the vehicle. 25-06-2025-42671601-HauPiPos t-0023 PCT / DE2025 / 000068 -. - 14--The circuit can determine or monitor the air temperature at various points in the vehicle interior. The circuit can be used for temperature monitoring of the vehicle interior and can be coupled to the control of the vehicle interior's ventilation system. By coupling the temperature monitoring of the vehicle interior with the control of the ventilation system, the intensity and the ventilation generated by the ventilation system can be controlled to ensure the comfort of vehicle occupants and / or to protect the vehicle's occupants. The object underlying the invention is achieved by the aforementioned circuit, which is designed according to the aforementioned embodiments and the inventive circuit, and thus refers to modifications of the inventive circuit. The circuit can determine or monitor the temperature at various points in the vehicle interior. The circuit can be used for temperature monitoring to prevent overheating. By preventing overheating, the service life can be increased.and / or damage to the patient heating system is avoided and / or the risk of fire due to overheating is avoided. Preferred embodiments of the invention are described in more detail below with reference to the accompanying drawings. Exemplary embodiment of the patient heating system according to the invention, schematic diagram 2. Exemplary embodiment of the circuit according to the invention, schematic diagram 25-06-2025-42671601 -Hau P iPos 1-0024PCT / DE2025 / 000068 15-- Exemplary embodiment of the circuit according to the invention, schematic diagram of the circuit according to the invention, installable circuit, schematic diagram of a further embodiment of the circuit according to the invention, multi-zone monitoring, schematic diagram of a further embodiment of the circuit according to the invention for multi-zone monitoring, schematic diagram of the temperature-dependent behavior of a resistor; temperature-dependent behavior of a resistor; further temperature-dependent behavior of a resistor; temperature-dependent resonant circuit behavior of a resonant circuit; further temperature-dependent behavior of a resistor.Resonant circuit behavior of a resonant circuit; response behavior to the applied input signal; response behavior to the applied input signal; 25-06“2025~42671601“HauP iPos t~0025 PCT / DE2025 / 000068 16-- 14 further response behavior to the applied input signal; 15 further response behavior to the applied input signal; and 16 further response behavior to the applied input signal. The patient heating circuit 10 for multi-zone monitoring. The patient heating circuit 100 comprises a plurality of elements applied to a carrier layer 102, which heat up when current is applied. Circuit 10 comprises component groups which patient heating 100. Component groups 18 comprise several temperature-dependent sensor components 19a-19h, which are formed with resistors 20a-20h, wherein resistors 20a-20h are spaced apart from each other in temperature measuring ranges 22a-22h of the patient heating 100. The resistance value R of the resistors 20a-20h changes within a temperature range.The temperature change corresponds to the temperature measurement range 22a-22h. The resistors 20a-20h are made at least of vanadium dioxide. At least the component groups 18 can include antennas 23, which are designed as transmitting and / or receiving antennas. The resistors 20a-20h are connected via a common 24 to a measurement channel 26 and an evaluation unit 28. Resistors 20a-20h and 24 are connected to voltage source 30, which is also connected to patient heater 100. Resistors 20a-20h25-06“2025“4267 160 ~HauP Po i“0026PCT / DE2025 / 000068 17-- are connected to the same ground 32. The patient heater 100 and component groups 18 are connected to the same ground 32. The evaluation unit 28 is connected to the temperature measurement range 22a-22h via evaluation of the signal on measuring channel 26. The current flowing through measuring channel 26 and / or the voltage applied to measuring channel 26 can be detected by the evaluation unit 28. If at least the antennas 23 of component groups 18 are designed as transmitting and / or receiving antennas, then theDependence of the spatial distance between at least two antennas. This dependence of the spatial distance between at least two antennas can be amplitude or frequency. The spatial distance between the at least two antennas can be determined by evaluating the resistance value R of the resistor 20a-20h located in one of the temperature measurement ranges 22a-22h in this temperature range 22a-22h, and a higher current flowing through resistors 20a-20h to the measurement channel. Thus, evaluation unit 28 can monitor the temperature based on the current. The 2 heat-generating components that can be installed in a vehicle seat. The 103 circuit 10 multi-zone monitoring. The 103 comprises a plurality of components which are applied to carrier layer 102. The 101 which heat up when current is applied. Circuit 10 comprises component groups which 103. Component groups 18 comprise several temperature-dependent sensor components 19a-19h, which form resistors 20a-20h, whereinResistors 20a-20h 25-06-2025-42671601-HauPiPos t-0027 PCT / DE2025 / 000068 18-- spaced-apart temperature measuring ranges 22a-22h of the 103 The resistance value R of the resistors 20a-20h changes dependence of the temperature change on the temperature measuring range 22a-22h. The resistors 20a-20h comprise at least in particular vanadium dioxide. The resistors 20a-20h are connected via a common 24 measuring channel 26 evaluation unit 28. Resistors 20a-20h and 24 are connected to voltage source 30, which is also connected to 101 and 103. The voltage source is connected to the evaluation unit 28. Resistors 20a-20h are connected to 101. 103 and component groups 18 are connected to the same two grounds 34. The evaluation unit 28 uses the temperature T signal at measuring channel 26 to measure the temperature range 22a-22h. The value detectable by the evaluation unit 28 can be the current through measuring channel 26 and / or the voltage U applied to measuring channel 26. The detectable value can be time-dependent.will and will be. This can happen. When the temperature T increases or decreases, one of the temperature measuring ranges 22a-22h or the resistance value R of the resistor 20a-20h arranged in this temperature range 22a-22h and it or current via resistors 20a-20h to the measuring channel so that evaluation unit 28 can monitor the temperature. The 3 a vehicle interior, the vehicle interior steering wheel or installable heat-generating The 104 25-06-2025-42671601 -HauP iPosi-0028 PCT / DE2025 / 000068 19-- Circuit 10 for multi-zone monitoring The 104 comprises a plurality of which are applied to carrier layer 102 101 which heat up when current is applied. The leads 36a-36h of the resistors 20a-20h have differing properties. The evaluation unit 28 uses these differing properties to measure the temperature of a resistor 20a-20h and thus also a temperature measurement range.to be assigned to 22a-22h. The properties of 36a-36h are formed by sensor components 38a-36h. The properties of the supply lines 36a-36h change their frequency-dependent complex resistance and thus also the oscillation behavior of the resistance 20a-20h. The resistance 20a-20h is used to detect the temperature T in the temperature measuring range 22a-22h assigned to the resistance 20a-20h. Due to the differing properties of the supply lines 36a-36h, evaluation unit 28 can determine which resistance 20a-20h corresponds to the signal change at measuring channel 26, so that the associated temperature measuring range 22a-22h can be determined. Evaluation unit 28 has a voltage source 30 connected to 40, which determines the frequency-dependent total resistance, the oscillation behavior, and the impulse response at measuring channel 26. The voltage source 30, evaluation unit 28, and the 104 are connected to ground 32. The sensor components 19a-19t are connected to ground 34. The 4, in particular, the circuit 10, which can be installed, is forMulti-zone monitoring. Circuit 10 on a B of the 25-06-2025-42671601-Hau^t Pos t-0029 PCT / DE2025 / 000068 20 - Circuit 10 comprises component groups. Component groups 18 comprise several temperature-dependent sensor components which are formed as resistors 20a-20h and capacitors 38a-38l, wherein sensor components 19a-19h are spaced apart in temperature measuring ranges 22a-22h of the B. The resistance value R of the resistors 20a-20h changes depending on the temperature change in the temperature measuring range 22a-22h. Properties of the individual component groups by capacitors 38a-38l. The properties of the individual component groups influence their frequency-dependent complex resistance and thus also the oscillation behavior of the resistor 20a-20h. This resistor is used to measure the temperature T in the temperature measuring range 22a-22h assigned to the resistor 20a-20h. Based on the differing properties of the individual component groups 18, the evaluation unit 28 can determine which resistor 20a-20hThe signal change on measuring channel 26 decreases so that the associated temperature measuring range 22a-22h can be determined. Evaluation unit 28 has a 40 which can be used to determine the frequency-dependent total resistance, the oscillation behavior and impulse response on measuring channel 26. The impulse response includes the response behavior. Measuring channel 26 is connected to the voltage source 30 on one side and to the 40 on the other. The 40 is connected to ground 32. Resistors 20a-20h, capacitors 38a-38l and 24 are connected to ground 32. Circuit 5 comprises component group 18a-18d. Component groups 18a-18d are located in a temperature measuring range 22a-22d. Component group 18a comprises a resistor, a capacitor 38a and an inductor 42a. The second component group 18b comprises two resistors, a capacitor 38b, and an inductor 42b. Component group 18c comprises a resistor 20d and a capacitor. Component group 18d comprises a resistor 20e and two capacitors 38e.Resistors 20a-20e in the individual component groups 18a-18d have a temperature-dependent resistance value R and influence the measurement signal accordingly. Based on the temperature-dependent measurement signal from resistors 20a-20d, the prevailing temperatures in the temperature measurement ranges 22a-22d can be determined. Capacitors 38a-38e and inductors 42a, 42b influence the frequency-dependent complex impedance and thus also the oscillation behavior of the signal. Based on the frequency-dependent complex impedance from capacitors 38a-38e and inductors 42b, and thus also the oscillation behavior of the signal, temperature values ​​can be assigned to the temperature measurement range 22a-22d using resistors 20a-20e. The circuit comprises component groups 18a-18e. Component groups 18a-18e are located in a temperature measurement range 22a-22e. Component groups 18a-18c include a resistor 20a-20c and a capacitor 38a-38c. Component group 18d includes a resistorComponent group 18e comprises a resistor 20e, a capacitor 38d, and an inductor 42a. Because component group 18e comprises a capacitor 38d and an inductor 42b, component group 18e represents a resonant circuit with a resonant frequency dependent on the properties of the capacitor 38d and the properties of the inductor 42b. Component group 18a-18e is connected to the evaluation unit 28. The resistors 20a-20e change their resistance values ​​R depending on the temperature and thus influence the temperature-dependent... Capacitors 38a-38d and inductors 42b influence the oscillation behavior of the signal response. By evaluating the signal at the evaluation unit 28, temperatures T can be determined and assigned to the temperature measurement ranges 22a-22h. The dependence of the resistance value R of a vanadium dioxide resistor 20 on the temperature is shown. In the range of a temperature limit Tg, aThe temperature limit Tg of vanadium dioxide resistors 20-68 degrees Celsius is a temperature phase transition of monoclinic resistors. Corresponding vanadium dioxide resistors 20 in the range of 68 degrees Celsius can be found in the component groups 18 and the 6 embodiments. Figures 8 and 9 show the dependence of the resistance value R of the resistors 20 on the temperature, whereby the resistors 20 do not exhibit any abrupt changes in conductivity. Figures 8 and 9 show the dependence of the resistance value on which the resistors 20 exhibit a higher temperature T. Figure 9 shows which resistors exhibit a lower temperature T. Figures 10 and 12 show the dependence of the resonant angular frequency of a resonant circuit, where the resonant circuit exhibits a lower angular frequency. Figure 10 shows the component group-specific response behavior A to the temperature applied to the 24.Input signal The input signal E comprises a voltage which, depending on the rectangular shape, changes the time-dependent voltage U of the response behavior A with respect to the input signal E and, in particular, is phase-shifted with respect to the input signal 25-06~2025-42671601-HauP iPos i~0032 PCT / DE2025 / 000068 23 - The 13 to 12 analog input signal E and response behavior The response behavior A Reference temperature with respect to the reference temperature Temperature Response behavior A1 with respect to response behavior A Amplitude with respect to the reference temperature Increased temperature Response behavior A2 with respect to response behavior A Increased amplitude The response behaviors A1 and A2 exhibit signal phase The 14 component group-specific response behavior A on the 24 applied input signal The input signal E comprises a current which, depending on the rectangular shape, changes the shape and, in particular, is phase-shifted with respect to the input signal EPhase-shifted relative to the input signal. The 15 to 14 analog input signal E and response behavior. The response behavior A reference temperature relative to the reference temperature. Temperature response behavior A1 relative to response behavior A amplitude relative to the reference temperature. Increased temperature response behavior A2 relative to response behavior A increased amplitude. The response behaviors A1 and A2 exhibit signal phase. The 16 component group-specific response behavior A to the input signal applied to the 24. The input signal E includes voltage. The time-dependent voltage U of the response behavior A relative to the input signal E is phase-shifted by the phase angle. 25-06-2025-42671601-HsuPtPo s*-0033 PCT / DE2025 / 000068 24 - 10 Circuit 18a-18e Component groups 19a-19q Sensor components 20a-20h Resistors 22a-22h Temperature measuring ranges 23 Antennas 24 26 Measuring channel 28 Evaluation unit 30 Voltage source 32 Ground 34 Ground 36a-36h Leads 38a-38l Capacitors 40 42a, 42b Coils 100 Patient heating 101 102 Carrier layer 103 104 R Resistance value T Temperature Tg Temperature limit Resonant frequency U Voltage A1 A2 Response behavior E Input signal 25~Ö6-2025-42671601-H3uPiPos t~0034 PCT / DE2025 / 000068 25 - Current Phase angle

Claims

25-06-2025-42671601~HauP Pö “0036 PCT / DE2025 / 000068 T-SE-0055-WO Claims Circuit for multi-zone monitoring of a measurement parameter, comprising: several component groups wherein each component group 18a-18e) includes at least a sensor component (19a-19q) with at least one property dependent on the measurement parameter and an evaluation device which has a measurement channel for detecting a measurement parameter, wherein the measurement channel is connected to the several component groups 18a-18e) via common signals, wherein the evaluation device is used to evaluate the signal and assign the measurement parameter to several or all sensor components (19a-19q) by evaluating the signal, characterized in that component groups 18a-18e) exhibit different component group-specific behaviors, wherein the evaluation device is used to assign measurement parameters to component group 18a-18e) based on the component group-specific behavior.Circuit according to claim 1, characterized in that the measured parameter is temperature; circuit according to claim 1, characterized in that the measured parameter is a property of a magnetic and / or mechanical stress; and / or pressure; circuit according to one of the preceding claims, characterized in that one or more component groups 18a-18e) comprise at least one resistor (20a-20h); circuit according to claim 1, characterized in that resistors (20a-20h) of one or more component groups 18a-18e) have the same or ohmic resistance values; circuit according to one of the preceding claims, characterized in that one or more component groups 18a-18e) comprise at least one capacitor; circuit according to claim 1, characterized in that capacitors of one or more component groups 18a-18e) have the same or ohmic resistance values.Circuit according to one of the preceding claims, characterized in that one or more component groups 18a-18e) comprise at least coil 42b). Circuit according to claim 1, characterized in that coils 42b) of one or more component groups 18a-18e) have the same or the same characteristics. Circuit according to one of the preceding claims, 25-Q6“2025-42671601-HauP tPos t~0038PCT / DE2025 / 000068 -3- characterized in that one or more component groups 18a-18e) comprise resonant circuits or circuit according to claim 1, characterized in that an evaluation device is used to assign the measurement parameter to one, several or all sensor components (19a-19q) based on the detuning of at least one resonant circuit and / or to assign the measurement parameter to component group 18a-18e). Circuit according to one of the preceding claims, characterized in that an evaluation device is used to evaluate the data from impedance spectroscopy.Circuit according to one of the preceding claims, characterized in that an evaluation device is provided for evaluating the data using Fourier analysis. Circuit according to one of the preceding claims, characterized in that an evaluation device is provided for accessing information on the properties dependent on the measurement parameter and / or on information on the assembly-specific behavior. Circuit according to one of the preceding claims, characterized in that the circuit is configured such that the assembly-specific behavior is a response behavior to the applied input. 25-06-2025-42671601-HauP tPos <-'0039 PCT / DE2025 / 000068 -4- Input signal wherein the input signal preferably comprises an alternating current and / or alternating current. Circuit according to claim 15, characterized in that several or all component groups are configured such that the response behavior of component group 18a-18e) depends on the current intensity of the input signal. Circuit according to claim 15, or characterized in that several or all component groups 18a-18e) are configured such that the response behavior of component group 18a-18e) depends on the voltage of the input signal. Circuit according to one of claim 15, characterized in that an evaluation device is provided for generating the input signal, wherein the input signal preferably comprises an alternating current having an alternating current frequency and / or wherein the response behavior depends on the alternating current frequency.Circuit according to one of the preceding claims, characterized in that one or more component groups 18a-18e) comprise antennas. Circuit according to one of the preceding claims, characterized in that, in particular, aluminum and comprising, patient heating 25-06-2025-4267 1601 -HauP iPos t-0040PCT / DE2025 / 000068 -5- Circuit for multi-zone monitoring of a measurement parameter; characterized in that circuit according to one of the preceding claims is configured vehicle interior, circuit for multi-zone monitoring of a measurement parameter; characterized in that circuit according to one of claims 20 is configured, in particular circuit for multi-zone monitoring of a measurement parameter; characterized in that circuit according to one of claims 20 is configured.

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