Class / Patent application number | Description | Number of patent applications / Date published |
702133000 | By resistive means | 18 |
20090248349 | MICROFLUIDIC DEVICES WITH INTEGRATED RESISTIVE HEATER ELECTRODES INCLUDING SYSTEMS AND METHODS FOR CONTROLLING AND MEASURING THE TEMPERATURES OF SUCH HEATER ELECTRODES - The invention relates to methods and devices for control of an integrated thin-film device with a plurality of microfluidic channels. In one embodiment, a microfluidic device is provided that includes a microfluidic chip having a plurality of microfluidic channels and a plurality of multiplexed heater electrodes, wherein the heater electrodes are part of a multiplex circuit including a common lead connecting the heater electrodes to a power supply, each of the heater electrodes being associated with one of the microfluidic channels. The microfluidic device also includes a control system configured to regulate power applied to each heater electrode by varying a duty cycle, the control system being further configured to determine the temperature each heater electrode by determining the resistance of each heater electrode. | 10-01-2009 |
20100030510 | Method for determining the temperature of an electrical component with the aid of a temperature model - A method for determining the temperature or the ohmic resistance of an electrical component, especially of a coil of a magnetic valve. The component temperature is estimated with the aid of a temperature model, which is able to determine the curve of the component temperature even during a control of the valve. The temperature model is corrected regularly based on the measured value, in this context. | 02-04-2010 |
20100082285 | METHOD FOR ESTIMATING THE TEMPERATURE IN AN INTERNAL COMBUSTION ENGINE - A method is provided for estimating the temperature in an internal combustion engine. The method includes, but is not limited to the steps of providing a sensor resistor (RTD) in the internal combustion engine, the sensor resistor (RTD) having a predetermined resistance-temperature characteristic, measuring a sensor voltage (V | 04-01-2010 |
20110077897 | MICROFLUIDIC DEVICES WITH INTEGRATED RESISTIVE HEATER ELECTRODES INCLUDING SYSTEMS AND METHODS FOR CONTROLLING AND MEASURING THE TEMPERATURES OF SUCH HEATER ELECTRODES - The invention relates to methods and devices for control of an integrated thin-film device with a plurality of microfluidic channels. In one embodiment, a microfluidic device is provided that includes a microfluidic chip having a plurality of microfluidic channels and a plurality of multiplexed heater electrodes, wherein the heater electrodes are part of a multiplex circuit including a common lead connecting the heater electrodes to a power supply, each of the heater electrodes being associated with one of the microfluidic channels. The microfluidic device also includes a control system configured to regulate power applied to each heater electrode by varying a duty cycle, the control system being further configured to determine the temperature of each heater electrode by determining the resistance of each heater electrode. | 03-31-2011 |
20110098966 | ELECTRONIC CLINICAL THERMOMETER AND OPERATION CONTROL METHOD - The electronic clinical thermometer includes a thermistor, a reference resistor, a voltage switch for selectively applying a voltage in order to accumulate electric charge in a capacitor via the thermistor or reference resistor, an A/D converter for detecting a voltage change occurring when removing the electric charge accumulated in the capacitor, and outputting an ON signal while the capacitor has a voltage equal to or higher than a predetermined voltage, a timer for measuring the duration of the ON signal, and an arithmetic processor for calculating the ambient temperature of the thermistor by using the discharge time when removing the electric charge accumulated in the capacitor via the thermistor, and the average value of the discharge times when removing the electric charge accumulated in the capacitor via the reference resistor immediately before and after removing the electric charge accumulated in the capacitor via the thermistor. | 04-28-2011 |
20110112792 | CURRENT AND TEMPERATURE SENSING OF STANDARD FIELD-EFFECT TRANSISTORS - An apparatus and method of determining the junction temperature (Tj) and drain-source current (Ids) of a standard FET within a multi-FET module includes a control IC managing one or more 3 terminal standard FETs within the same package, calculating Tj and Tds for one or more FETs in one or more packages, and protecting each FET against short circuit faults while allowing high current transients, such as inrush currents from a lamp load. | 05-12-2011 |
20110270568 | APPARATUS FOR CALCULATING TEMPERATURE OF CONDUCTIVE CARRIER OF CATALYST CONVERTER - In an apparatus, a temperature obtainer obtains, in a learning mode of the apparatus during a conductive carrier being deenergized a, value of a carrier temperature based on a physical parameter correlative with the carrier temperature and different from a carrier resistance. A resistance obtainer instantaneously energizes, in the learning mode, the conductive carrier to obtain a value of the carrier resistance during the instant energization. A calculator obtains, in a normal operation mode of the apparatus after the learning mode, a value of the carrier resistance, and calculates, in the normal operation mode, a value of the carrier temperature based on: the obtained value of the carrier resistance in the normal operation mode, and a pair of the value of the carrier temperature and the value of the carrier resistance obtained in the learning mode. | 11-03-2011 |
20110301909 | TEMPERATURE MEASUREMENT SYSTEM FOR A LIGHT EMITTING DIODE (LED) ASSEMBLY - A temperature measurement system is provided for a light emitting diode (LED) assembly that includes an LED having two semiconductors joined together at an LED junction. The system includes a temperature sensor operatively connected to the LED assembly at a remote location that is remote from the LED junction. The temperature sensor is configured to measure a temperature of the LED assembly at the remote location. A temperature calculation module is operatively connected to the temperature sensor for receiving the measured temperature at the remote location from the temperature sensor. The temperature calculation module is configured to determine a junction temperature at the LED junction based on the measured temperature a the remote location. | 12-08-2011 |
20120197586 | I/O Module with Multi-Dimensional Cold Junction Compensation - An I/O circuit for measuring temperatures within an industrial control system uses a stored empirical model together with input from at least one reference temperature sensor to determine inter-terminal temperature differences for more accurate cold junction compensation. | 08-02-2012 |
20130085709 | CIRCUITS FOR DETERMING DIFFERENTIAL AND AVERAGE TEMPERATURES FROM RESISTIVE TEMPERATURE DEVICES - Systems for determining differential and average temperatures from resistive temperature devices are provided. In one embodiment, a device comprises a bridge network including a first node and second node, wherein the first node receives a constant current from a current source; a first branch coupled between a first node and a second node, the first branch including a first temperature sensing element of a first resistive temperature device; a second branch coupled in parallel with the first branch between the first node and the second node, the second branch including a second temperature sensing element of a second resistive temperature device; a first output that provides a signal representing a difference between a voltage developed across the first temperature sensing element and a voltage developed across the second temperature sensing element; and a second output that provides a signal representing a voltage developed across first node and the second node. | 04-04-2013 |
20130144552 | Method for Evaluating the Temperature of an Electro-Magnetic Contactor and Contactor for Implementation of Said Method - A method for evaluating the temperature of a contactor comprising a processing unit designed to act on control means of the voltage applied to an actuating coil. Measuring means measure an electric current flowing in said at least one actuating coil. The method consists in:
| 06-06-2013 |
20130151192 | Sensor for Detecting Temperature Gradients - Different advantageous embodiments provide a monitoring system comprising one or more sensor systems and a processing unit. The one or more sensor systems is configured to monitor a subject for change in temperature and generate monitoring data. The processing unit is configured to analyze the monitoring data to generate a result. | 06-13-2013 |
20130218513 | MICROFLUIDIC DEVICES WITH INTEGRATED RESISTIVE HEATER ELECTRODES INCLUDING SYSTEMS AND METHODS FOR CONTROLLING AND MEASURING THE TEMPERATURES OF SUCH HEATER ELECTRODES - The invention relates to methods and devices for control of an integrated thin-film device with a plurality of microfluidic channels. In one embodiment, a microfluidic device is provided that includes a microfluidic chip having a plurality of microfluidic channels and a plurality of multiplexed heater electrodes, wherein the heater electrodes are part of a multiplex circuit including a common lead connecting the heater electrodes to a power supply, each of the heater electrodes being associated with one of the microfluidic channels. The microfluidic device also includes a control system configured to regulate power applied to each heater electrode by varying a duty cycle, the control system being further configured to determine the temperature of each heater electrode by determining the resistance of each heater electrode. | 08-22-2013 |
20140172350 | REMOTE SENSOR CONFIGURATION - Embodiments are directed to receiving, by a device, an identification of a coupling configuration associated with at least one sensor via a user interface, sensing, by the device, a sensed parameter associated with the at least one sensor, calculating, by the device, a translated parameter based on the sensed parameter, and mapping, by the device, the translated parameter to a temperature. | 06-19-2014 |
20140297215 | Temperature-Measurement Probe - An apparatus, system and method for temperature measurement of a target site, such a human body site. The invention includes an intelligent temperature probe configured to physically contact a target site and to communicate with a host device, which can be implemented as a hand-held device or as a personal computer. The host device can compute, store and display an accurate predicted temperature, or an actual temperature at thermal equilibrium, of the target site for each of a plurality of different intelligent temperature probes that each have unique and varied operating characteristics. A set of unique operating characteristics for each temperature probe is represented by information communicated between each respective temperature probe and the host device. | 10-02-2014 |
20150112631 | FILAMENT TEMPERATURE DERIVATION IN HOTWIRE SEMICONDUCTOR PROCESS - The present disclosure provides apparatus and methods for monitoring and controlling filaments used in hotwire semiconductor processing and for monitoring integrity of filaments in a hotwire processing chamber. Embodiments of this disclosure may use real time voltage and current feedback signals provided by the power supply, known attributes, for example resistivity, of filament, filament geometries, for example diameter and length, and filament assembly configurations as input, to derive filament temperature in real time. Embodiments of the present disclosure are capable of continuously derive accurate temperatures of the filament assembly in a hotwire processing chamber after the filament assembly has changed geometries due to normal usage by using the measured cold resistance of the wire periodically before the process starts. | 04-23-2015 |
20150300888 | TEMPERATURE PREDICTION SYSTEM AND METHOD THEREOF - A temperature prediction system and method thereof use sensors to sense the temperature at a plurality of times, thereby calculating an actual temperature difference between the current time and the previous time. According to the result of actual temperature difference, an adaptive filter is used to predict a predicted temperature difference at a future time and to add the temperature of the current time and the predicted temperature difference to render a predicted temperature. By calculating the difference between the temperature at the next time and the predicted temperature at the next time, the filter parameter of the adaptive filter is adjusted. This mechanism helps improving the accuracy in temperature predictions. | 10-22-2015 |
20160109396 | RATIOMETRIC DEVICE - One example discloses a ratiometric device, including: a current source having a first current, a second current different from the first current, and a current-select program; a sensor device responsive to a gas and having a sensor-cold temperature T(cold,sens) in response to the first current and a sensor-hot temperature T(hot,sens) in response to the second current; a reference device having a reference-cold temperature T(cold,ref) in response to the first current and a reference-hot temperature T(hot,ref) in response to the second current; and wherein the ratiometric device includes a temperature difference ratio output based on T(cold,sens), T(hot,sens), T(cold,ref) and T(hot,ref). | 04-21-2016 |