Patent classifications
G01K7/34
TEMPERATURE MEASUREMENT CIRCUIT
Provided is a temperature measurement circuit. The temperature measurement circuit includes a comparator, a first voltage generation circuit, and a second voltage generation circuit. Inputs of the comparator are connected to a voltage output of the first voltage generation circuit and a voltage output of the second voltage generation circuit, respectively, to obtain a reference voltage and a comparison voltage. A comparison result is outputted, and an ambient temperature is determined based on the comparison result. The second voltage generation circuit includes a current generation circuit configured to generate a current signal correlated to the ambient temperature, and a current-to-voltage conversion circuit configured to convert the current signal into the comparison voltage.
TEMPERATURE MEASUREMENT CIRCUIT
Provided is a temperature measurement circuit. The temperature measurement circuit includes a comparator, a first voltage generation circuit, and a second voltage generation circuit. Inputs of the comparator are connected to a voltage output of the first voltage generation circuit and a voltage output of the second voltage generation circuit, respectively, to obtain a reference voltage and a comparison voltage. A comparison result is outputted, and an ambient temperature is determined based on the comparison result. The second voltage generation circuit includes a current generation circuit configured to generate a current signal correlated to the ambient temperature, and a current-to-voltage conversion circuit configured to convert the current signal into the comparison voltage.
TEMPERATURE SENSOR WITH DELTA BASE-EMITTER VOLTAGE AMPLIFICATION AND DIGITAL CURVATURE CORRECTION
Systems, devices, and methods related to temperature sensors for electronic devices are provided. An example temperature sensor device includes analog temperature sensor circuitry to generate a plurality of voltages indicative of a temperature; an analog-to-digital converter (ADC) disposed downstream of the analog temperature sensing circuitry; switched-capacitor amplifier circuitry disposed before the ADC, the switched-capacitor amplifier circuitry comprising a single-ended amplifier to amplify the plurality of voltages with respect to a common voltage; a first switch coupled between the analog temperature sensor circuitry and the switched-capacitor amplifier circuitry to provide a sampling phase and an integration phase; and digital calculation circuitry to calculate a temperature value based on the plurality of amplified voltages.
TEMPERATURE SENSOR WITH DELTA BASE-EMITTER VOLTAGE AMPLIFICATION AND DIGITAL CURVATURE CORRECTION
Systems, devices, and methods related to temperature sensors for electronic devices are provided. An example temperature sensor device includes analog temperature sensor circuitry to generate a plurality of voltages indicative of a temperature; an analog-to-digital converter (ADC) disposed downstream of the analog temperature sensing circuitry; switched-capacitor amplifier circuitry disposed before the ADC, the switched-capacitor amplifier circuitry comprising a single-ended amplifier to amplify the plurality of voltages with respect to a common voltage; a first switch coupled between the analog temperature sensor circuitry and the switched-capacitor amplifier circuitry to provide a sampling phase and an integration phase; and digital calculation circuitry to calculate a temperature value based on the plurality of amplified voltages.
DEVICES, SYSTEMS, AND METHODS FOR SENSING TEMPERATURE IN INDUCTION HEATING SYSTEMS
A system for sensing temperature in a vaporizer device is provided, the system including: an induction element; a susceptor element; and a temperature sensor circuit in thermal contact with the susceptor element, the temperature sensor circuit including a capacitor and an inductor, a resonant frequency of the temperature sensor circuit changes based on a temperature of the susceptor element, the induction element is electromagnetically coupled to the temperature sensor, the induction element includes an induction heating element configured to create a first magnetic field around the susceptor element, and the susceptor element generates heat based on the first magnetic field.
DEVICES, SYSTEMS, AND METHODS FOR SENSING TEMPERATURE IN INDUCTION HEATING SYSTEMS
A system for sensing temperature in a vaporizer device is provided, the system including: an induction element; a susceptor element; and a temperature sensor circuit in thermal contact with the susceptor element, the temperature sensor circuit including a capacitor and an inductor, a resonant frequency of the temperature sensor circuit changes based on a temperature of the susceptor element, the induction element is electromagnetically coupled to the temperature sensor, the induction element includes an induction heating element configured to create a first magnetic field around the susceptor element, and the susceptor element generates heat based on the first magnetic field.
SINGLE LAYER LC OSCILLATOR
A temperature sensor is provided. The temperature sensor comprises: an inductor-capacitor (LC) oscillator configured; and a look-up table stored in a memory, wherein the look-up table contains a set of frequencies as a function of ambient temperature values, wherein when the LC oscillator is calibrated to a frequency from amongst the set of frequencies, the respective ambient temperature as stored in the look-up table is retrieved.
SINGLE LAYER LC OSCILLATOR
A temperature sensor is provided. The temperature sensor comprises: an inductor-capacitor (LC) oscillator configured; and a look-up table stored in a memory, wherein the look-up table contains a set of frequencies as a function of ambient temperature values, wherein when the LC oscillator is calibrated to a frequency from amongst the set of frequencies, the respective ambient temperature as stored in the look-up table is retrieved.
Device for measuring the temperature in a plug connector by using a superimposed test frequency
A device for measuring the temperature in a conductor includes at least one temperature sensor emitting a signal having a frequency changing due to a temperature change. The signals of the temperature sensor are transported through the conductor and the signals are inductively or capacitively coupled out of the conductor and into an evaluation unit for measuring the temperature through coupling elements.
Device for measuring the temperature in a plug connector by using a superimposed test frequency
A device for measuring the temperature in a conductor includes at least one temperature sensor emitting a signal having a frequency changing due to a temperature change. The signals of the temperature sensor are transported through the conductor and the signals are inductively or capacitively coupled out of the conductor and into an evaluation unit for measuring the temperature through coupling elements.