A temperature sensor circuit (1) for measuring a temperature, comprising a measuring resistor (2) and a controllable voltage source (3) or current source (3) which is connected to the measuring resistor (2) and by means of which an input voltage can be applied to the measuring resistor (2). The input voltage can be adjusted continuously by the controllable voltage source (3).

A circuit includes a temperature-sensitive voltage divider. The temperature-sensitive voltage divider includes a temperature-sensitive resistor and a second resistor having a first terminal coupled to a first terminal of the temperature-sensitive resistor. A temperature signal is generated at a first node coupled to the first terminal of the temperature-sensitive resistor. Detection logic is coupled to the first node to generate a detection signal responsive to the temperature signal.

The invention concerns a device (1) for measuring at least one parameter of a motor vehicle, the device (1) comprising at least one reference resistor (R.sub.0) of a predetermined value and at least two measuring branches (K1, K2), each of the two measuring branches comprising at least a first element comprising a resistor (R.sub.0) or a resistive sensor (R.sub.2), capable of being connected to a voltage supply (Vcc), and a second element comprising a resistor or a resistive sensor (R.sub.1, R.sub.3) capable of being connected to earth (M), the first element and the second element being connected together at a mid-point (A, B), the mid-points (A, B) of the at least two measuring branches (K1, K2) being connected together in pairs by a third element comprising a resistor or a resistive sensor (R.sub.4).

Provided is an aerosol generation device that suppresses the effect that errors in the production of structural elements have on the accuracy with which shortage of an aerosol source is detected. An aerosol generation device that comprises: a power source 110; a load 132 that has a temperature-variable electrical resistance value and atomizes an aerosol source by generating heat due to supply of power from the power source 110; a first circuit 202 that is used for the load 132 to atomize the aerosol source; a second circuit 204 that is connected in parallel to the first circuit 202, has a higher electrical resistance value than the first circuit 202, and is used to detect voltage that changes as a result of changes in the temperature of the load 132; an acquisition part that acquires the value of voltage that is applied to the second circuit 204 and the load 132; and sensors 112B, 112D that output the value of the voltage that changes as a result of changes in the temperature of the load 132.

The present invention provides a thermal sensor integrated IC having a resistor and a converting circuit. The resistor is implemented by at least one metal line, wherein a resistance of the resistor is varied with a temperature of the resistor, the resistor has a first terminal and a second terminal, and one of the first terminal and the second terminal is arranged to provide a voltage signal corresponding to the resistance. The converting circuit is coupled to the resistor, and is configured to convert the voltage signal to an output signal for determining the temperature. In one embodiment, the at least one metal line is made by copper.

A readout circuit for use with a Wheatstone bridge sensor. At least some of the example embodiments are methods including: driving an excitation signal in parallel through a first set of sensor elements of a Wheatstone bridge sensor and refraining from driving the excitation signal through a second set of sensor elements of the Wheatstone bridge sensor; measuring response of the first set of sensor elements, the measuring response of the first set of sensor elements creates a first measurement; and then driving the excitation signal in parallel through the second set of sensor elements of the Wheatstone bridge and refraining from driving the excitation signal through the first set of sensor elements; and measuring response of the second set of sensor elements, the measuring response of the second set of sensor elements creates a second measurement.

Provided is an aerosol generation device that suppresses the effect that errors in the production of structural elements have on the accuracy with which shortage of an aerosol source is detected. An aerosol generation device that comprises: a power source; a load that has a temperature-variable electrical resistance value and atomizes an aerosol source by generating heat due to supply of power from the power source; a first circuit that is used for the load to atomize the aerosol source; a second circuit that is connected in parallel to the first circuit, has a higher electrical resistance value than the first circuit, and is used to detect voltage that changes as a result of changes in the temperature of the load; an acquisition part that acquires the value of voltage that is applied to the second circuit and the load; and sensors that output the value of the voltage that changes as a result of changes in the temperature of the load.

An aerosol generation device suppresses the effect of errors in structural elements on the accuracy with which shortage of an aerosol source is detected. The aerosol generation device includes a power source; a load that has a temperature-variable electrical resistance value and atomizes an aerosol source by generating heat due to supply of power from the power source; a first circuit that for the load to atomize the aerosol source; a second circuit connected in parallel to the first circuit, has a higher electrical resistance value than the first circuit, and is used to detect voltage that changes as a result of changes in the temperature of the load; an acquisition part that acquires the value of voltage applied to the second circuit and the load; and sensors that output the value of the voltage that changes as a result of changes in the temperature of the load.

A circuit includes a temperature-sensitive voltage divider. The temperature-sensitive voltage divider includes a temperature-sensitive resistor and a second resistor having a first terminal coupled to a first terminal of the temperature-sensitive resistor. A temperature signal is generated at a first node coupled to the first terminal of the temperature-sensitive resistor. Detection logic is coupled to the first node to generate a detection signal responsive to the temperature signal.

A temperature measuring instrument is provided with a testing switch that controls a supply of a first constant current to a first signal line from a first constant current source and a supply of a second constant current to a second signal line from a second constant current source. When a temperature is being measured, the first and second constant currents are supplied respectively to the first and second signal lines. When testing connection statuses of the first signal line, the second signal line and a third signal line, the supply of the first and second constant currents are stopped temporarily, to change a report from a current detecting/reporting portion, provided in a temperature sensor, for detecting and reporting whether or not there is a return current to the temperature measuring instrument from the third signal line.