Class / Patent application number | Description | Number of patent applications / Date published |
374184000 | Reactive element (e.g., capacitive) | 24 |
20100329305 | Induction Type of Electronic Thermometer Probe Motion Detection Device - The invention discloses an induction type of electronic thermometer probe motion detection device, including a probe and a probe holder; wherein the probe includes a cavity and a probe tip; Inside the probe tip has a heating mechanism, wherein the probe tip and the heating mechanism electrically connected with the host of the electronic thermometer by wires; Inside the cavity locates a magnetic inductive switch, wherein the magnetic inductive switch communicates with the host of electronic thermometer by wires; A magnetic signal source located in the position of the other side of the probe holder after the placement of the probe, where corresponds to the magnetic inductive switch, and then the magnetic signal source and the magnetic inductive switch composed to the probe motion detection device. When the probe put back to the probe holder, the magnetic inductive switch will induce the magnetic signal source in the probe holder, and the magnetic inductive switch is on the closed mode and communicates with the host of the electronic thermometer by wire, then turns off the pre-heating process; Likewise, when the probe leave the probe holder, the magnetic inductive switch is not able to induce the magnetic signal source, and the magnetic inductive switch is on the open mode and communicates with the host of the electronic thermometer by wire, then initiates the pre-heating process. | 12-30-2010 |
20110026562 | TEMPERATURE SENSOR USING THIN FILM RESISTANCE TEMPERATURE DETECTOR - The present subject matter relates generally to temperature sensors using a thin film element. Various embodiments of the present subject matter include a temperature sensor assembly. The temperature sensor assembly includes an enclosure having an inside surface and a thin film element housed in the enclosure. A thermally conductive material connects a surface of the thin film element directly to the inside surface of the enclosure in a side mounted manner to provide rapid thermal conduction from the enclosure to the thin film element. In various embodiments, the thin film element is a resistance temperature detector (RTD). | 02-03-2011 |
20110026563 | PRESSURE SENSOR HAVING A ROTATIONAL RESPONSE TO THE ENVIRONMENT - Methods and systems of the invention are directed to a pressure sensor that includes a substrate, a first conductive plate, and a second conductive plate. The substrate is formed of a material having a low coefficient of thermal expansion (CTE). The first conductive plate is formed of a material having a CTE that is higher than the CTE of the substrate, and is attached to a first surface of the substrate. The second conductive plate is rotatably connected to the substrate through a hinge, and includes a portion that is adjacent to the first conductive plate. | 02-03-2011 |
20110310926 | SENSOR - An electrical temperature sensor ( | 12-22-2011 |
20120275489 | METHOD FOR TEMPERATURE MEASUREMENT - This document describes a method for measuring temperature. In accordance with the invention the temperature is determined from frequency variation of a local oscillator of a RFID tag ( | 11-01-2012 |
20130003782 | SENSOR MOUNTING METHODOLOGY - Methods and devices for mounting a sensor are presented herein. A temperature sensor assembly for a capacitor bank is disclosed that includes two opposing substrates, and a plurality of contact temperature sensors attached to each substrate. Each temperature sensor is configured to directly contact a surface of one of the capacitor cans in the capacitor bank and therefrom generate a signal indicative of the temperature of the capacitor can. A biasing member attaches the two substrates together. The biasing member is configured to selectively contract, such that the width of the sensor assembly is less than the gap distance between adjacent sets of tandem capacitor cans and the sensor assembly can insert between the sets of capacitor cans, and expand, such that the width of the sensor assembly is greater than the gap distance and the sensor assembly is tensioned against and thereby secured between the sets of capacitor cans. | 01-03-2013 |
20130202012 | Highly-Reliable Micro-Electromechanical System Temperature Sensor - A micro-electromechanical system-type (MEMS) sensor arrangement for wirelessly measuring temperatures is disclosed. The MEMS sensor arrangement includes a multimorph sensor, a sensor coil coupled to the multimorph sensor, and a readout coil configured to be magnetically coupled to the sensor coil to i) energize the sensor coil, and ii) provide a readout of the natural frequency of the multimorph sensor, the sensor coil and the readout coil. | 08-08-2013 |
20130259091 | HIGH ACCURACY TEMPERATURE SENSOR - Temperature accuracy is improved, conversion gain is increased without increasing current density and parasitic resistance errors and other problems with conventional bandgap reference temperature sensors are eliminated by generating a signal proportional to temperature from three samples, where the signal is defined as a difference between a first difference and a second difference, the first difference comprising a difference between a second sample and a first sample, the second difference comprising a difference between a third sample and the first sample, and where the signal is defined to cancel parasitic components in the first, second and third samples. | 10-03-2013 |
20130259092 | SYSTEM AND METHOD FOR PREDICTING THE TEMPERATURE OF A DEVICE - A method of predicting a temperature includes operatively coupling a temperature prediction circuit to a device including a semiconductor chip, determining a correlation between a current and voltage of the temperature prediction circuit, and predicting a temperature with respect to power applied to the device using the determined correlation. | 10-03-2013 |
20130272341 | TEMPERATURE SENSOR AND TEMPERATURE MEASUREMENT METHOD THEREOF - A temperature sensor that senses a temperature on the basis of a relaxation oscillator, includes: a bias circuit unit that outputs a bias current increasing with an increase in temperature; a capacitor voltage unit that charges a capacitor with the bias current and discharges the current when receiving a control signal; a pulse generating unit that outputs a pulse when the voltage of the capacitor is higher than a reference voltage, changes the pulse width of the pulse, and transmits the pulse corresponding to the control signal to the capacitor voltage unit; and a counter unit that counts and outputs, as a digital value, the number of pulses outputted from the pulse generating unit, on the basis of a reference frequency. | 10-17-2013 |
20130301680 | TEMPERATURE DETECTION METHOD AND DEVICE WITH IMPROVED ACCURACY AND CONVERSION TIME - Temperature accuracy is improved, conversion gain is increased without increasing current density and parasitic resistance errors and other problems with conventional bandgap reference temperature sensors are eliminated by generating a signal proportional to temperature from four samples, where the signal is defined as a difference between a first difference and a second difference, the first difference comprising a difference between the second sample and the first sample, the second difference comprising a difference between the fourth sample and the third sample, and where the signal is defined to cancel parasitic components in the first, second, third and fourth samples. | 11-14-2013 |
20130336362 | MEASURING APPARATUS - A measuring apparatus includes a sensor unit that includes a coil and a conductive cylinder arranged such that an area of an overlap zone varies as a position of an object changes; a capacitor and a resistor that make up a series circuit with the coil; a voltage applier that applies an input voltage Vi to the series circuit; a phase detector that detects a phase of a voltage Vo across the capacitor; a magnitude detector that detects a magnitude of the voltage Vo; feature data in which the phase, the magnitude, a temperature of the sensor unit, and an area of the overlap zone are associated with one another; and a calculator that calculates the temperature and the area based on the feature data using the phase and the magnitude detected by actual measurement of the voltage Vo. | 12-19-2013 |
20140204976 | Highly-Reliable Micro-Electromechanical System Temperature Sensor - A sensor arrangement for wirelessly measuring temperature and vibration is disclosed. The sensor arrangement includes a sensor element and a sensor coil affixed on the device. A readout coil is configured to be magnetically coupled to the sensor coil configured to energize the sensor coil with an energizing signal, configured to provide the natural frequency of the sensor element, the sensor coil, and the readout coil, and configured to provide amplitude modulations of the energizing signal, the amplitude modulations being induced by changes in the coupling factor of the readout coil and the sensor coil. An energizing circuit is configured to energize the readout coil with the energizing signal. A readout circuit is configured to store or display information regarding the natural frequency and the amplitude modulations. | 07-24-2014 |
20140241399 | PROCESS TEMPERATURE TRANSMITTER WITH IMPROVED SENSOR DIAGNOSTICS - A process temperature transmitter is operable with at least one temperature sensor having a plurality of leads. The temperature transmitter includes measurement circuitry operably coupleable to the at least one temperature sensor to provide an indication of an electrical parameter of the at least one temperature sensor. A controller is coupled to the measurement circuitry to obtain the indication and provide a process temperature output. A current source applies a test current to the plurality of leads simultaneously. Diagnostic circuitry measures a voltage response on each lead in order to provide a diagnostic indication of the temperature sensor. | 08-28-2014 |
20140269839 | THERMAL SENSOR WITH TEMPERATURE CONTROL - In a thermal sensor. a capacitor voltage of a capacitor is compared with a reference voltage, and an output voltage is generated based on the comparison. The output voltage has a pulse density indicative of a temperature detected by the thermal sensor. The capacitor is charged or discharged using at least one of a first current signal or a second current signal based on a logic level of the output voltage. The first current signal is a temperature-independent signal, and the second current signal is a temperature-dependent signal dependent on the temperature detected by the thermal sensor. In some embodiments, a clock rate of a clock signal is varied in accordance with the detected temperature to control a timing operation for supplying the first current signal to the capacitor and/or the reference voltage is varied in accordance with the detected temperature. | 09-18-2014 |
20140269840 | TEMPERATURE DETECTING CIRCUIT AND METHOD THEREOF - A temperature detecting circuit and method thereof, adapted to a voltage converter circuit which includes a current detecting circuit having a detecting output port outputting a current detecting signal proportional to an output current of the voltage converter circuit, includes: a current signal processing unit, having a signal input port coupling to the detecting output port, a first detecting output port generating a first processing signal with a first temperature coefficient, a second detecting output port generating a second processing signal with a second temperature coefficient, wherein the first and the second processing signals are proportional to the current detecting signal; and, a temperature calculating unit, receiving the first and the second processing signals and performing calculation to derive a temperature value. | 09-18-2014 |
20140321507 | CAPACITIVE TEMPERATURE SENSOR COMPRISING TWO CAPACITORS AS A VOLTAGE DIVIDER BRIDGE - A temperature sensor including a capacitive circuit including an input terminal for the application of an input voltage, an output terminal for the reading of an output voltage of the circuit, and a reference potential terminal, a voltage circuit for applying a predetermined voltage to the input terminal of the circuit and a circuit for reading the voltage at the output terminal of the capacitive circuit and converting the read voltage into a temperature measurement. According to the invention, the capacitive circuit includes a fir capacitor, connected between the input and output terminals, and having a capacitance decreasing according to temperature; and a second capacitor, connected between the input terminal and the terminal at the reference potential, and having a capacitance increasing along with temperature. | 10-30-2014 |
20150110158 | 3D THERMAL DETECTION CIRCUITS AND METHODS - A circuit includes sensing circuitry including at least one sensing element configured to output at least one temperature-dependent voltage. A compare circuit is configured to generate at least one intermediate voltage in response to comparing the at least one temperature-dependent voltage to a feedback voltage. A control circuit is configured to generate at least one control signal in response to the intermediate voltage. A switching circuit is configured to couple a capacitor coupled to a feedback node to one of a first voltage supply and a second voltage supply in response to the at least one control signal to generate an output signal having a pulse width that is based on a temperature sensed by the sensing circuitry. | 04-23-2015 |
20150330842 | Radio Circuits and Components Thereof Including Temperature Responsive Liquid MEMS - A radio circuit includes an adjustable RF front-end module on an IC die, a liquid MEMS component on a board, and a processing module on the IC die. The adjustable RF front-end module adjusts processing of an inbound or an outbound RF signal based on a compensation control signal. The liquid MEMS component changes an operational characteristic as temperature of the radio circuit varies. The processing module generates the compensation signal based on the changing of the operational characteristic of the liquid MEMS component. The liquid MEMS component includes a channel within the board, a liquid droplet contained within the channel, and one or more conductive elements proximal to the channel. | 11-19-2015 |
20150338285 | System and Method for a Capacitive Thermometer - Various embodiments disclosed herein include a capacitive thermometer including a deflectable membrane and a sense electrode. The deflectable membrane is configured to adjust a capacitive value based on a temperature of the deflectable membrane. | 11-26-2015 |
20160076945 | SYSTEM FOR MONITORING TEMPERATURE OF ELECTRICAL CONDUCTOR - A system for monitoring temperature of an electrical conductor ( | 03-17-2016 |
20160131536 | Temperature Measurement Circuitry and Method - A method includes alternately coupling a selected one of a plurality of current sources and two or more of the plurality of current sources to a first terminal of a bipolar device during first and second phases of a modulator cycle of a plurality of modulator cycles. The method further includes providing sampled voltages from the first terminal of the bipolar device to a modulator to produce a modulator output signal, filtering the modulator output signal to produce a filtered output signal using a back-end filter having an impulse response, and determining a temperature in response to the filtered output signal. | 05-12-2016 |
20160169751 | METHOD AND DEVICE FOR DETERMINING A SURFACE TEMPERATURE OF AN INDUCTIVELY HEATED ROLLER SHELL | 06-16-2016 |
20160195435 | DEVICE FOR MEASURING THE TEMPERATURE IN A PLUG CONNECTOR BY USING A SUPERIMPOSED TEST FREQUENCY | 07-07-2016 |