| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 341119000 | Temperature compensation | 7 |
| 20090251343 | Curvature correction methodolgy - A method is provided to produce an error corrected digital output from a temperature measurement system that generates digital outputs representative of the output of one or more temperature sensors. In an embodiment of the invention the method comprises: storing in a plurality of memory locations corresponding error correction data, with each memory location having a correlation to a corresponding range of the digital outputs; utilizing each digital output to identify a corresponding one of the memory locations; accessing the corresponding one memory location to obtain error correction data specific to the digital output; and utilizing the error correction data specific to the digital output to correct the digital output, whereby an error corrected digital output is generated. | 10-08-2009 |
| 20090273496 | Measurement Data Acquisition Apparatus and Method of Operation Thereof - To avoid the measurement disturbances occurring in a conventional, multi-channel measurement data acquisition apparatus there is proposed a multi-channel measurement data acquisition apparatus which includes at least one analog input assembly having a plurality of analog inputs, a controllable electronic analog signal switch device ( | 11-05-2009 |
| 20110043393 | DEVICE FOR CONVERTING ANALOG SIGNAL INTO DIGITAL VALUES AND CORRECTING THE VALUES - An analog to digital converting device has a first converter nonlinearly converting an analog level into a first digital value every first sampling period, shorter than a second sampling period, with low precision, a second converter linearly converting the analog level into a second digital value every second sampling period with high precision, and a controller determining a correction equation by using the second digital value having a high precision in each second sampling period so as to renew the equation every second sampling period, and correcting the first digital values, obtained in each second sampling period, to corrected digital values according to the corresponding correction equation to output the corrected digital value as a digital value, obtained by substantially linearly converting the analog level, every first sampling period. | 02-24-2011 |
| 20120086589 | PIPELINED CONTINUOUS-TIME SIGMA DELTA MODULATOR - Traditionally, pipelined continuous-time (CT) sigma-delta modulators (SDM) have been difficult to build due at least in part to the difficulties in calibrating the pipeline. Here, however, a pipelined CT SDM is provided that has an architecture that is conducing to being calibrated. Namely, the system includes a digital filter and other features that can be adjusted to account for input imbalance errors and well as quantization leakage noise. | 04-12-2012 |
| 20130321188 | System and Method for Operating an Analog to Digital Converter - A system and method can be used for scaling an output of a modulator of a sigma-delta analog to digital converter and systems and a method can be used for compensating temperature-dependent variations of a reference voltage in a sigma-delta analog to digital converter. In accordance with one embodiment, a system can be used for scaling an output of a modulator of a sigma-delta analog digital converter (ADC). A decimation filter has a decimation length that is adjustable by a decimation length value received as an input to the decimation filter. The decimation filter is configured to receive the output of the modulator of the sigma-delta ADC and to decimate the received output of the modulator of the sigma-delta ADC using the received decimation length value. | 12-05-2013 |
| 20140197972 | SUCCESSIVE APPROXIMATION REGISTER ANALOG-TO-DIGITAL CONVERTER AND CONVERSION TIME CALIBRATION METHOD THEREOF - A successive approximation register analog-to-digital converter and a conversion time calibration method thereof are provided. The successive approximation register analog-to-digital converter includes a conversion circuit and a conversion time calibration apparatus. The conversion circuit has a conversion time under a process, voltage, and temperature (PVT) variation. The conversion time calibration apparatus is configured to detect a conversion time condition and adjust the conversion time of the conversion circuit according to the conversion time condition. | 07-17-2014 |
| 20140347198 | ANALOG-TO-DIGITAL CONVERTING CIRCUIT WITH TEMPERATURE SENSING AND ELECTRONIC DEVICE THEREOF - The present invention relates to an analog-to-digital converting circuit with temperature sensing and the electronic device thereof. The present invention uses a first impedance device to receive a reference voltage and produces an input current according to a temperature. An analog-to-digital converting unit is coupled to the first impedance device and produces a digital output signal according to the input current. Thereby, according to the present invention, by integrating the first impedance device into the analog-to-digital converting circuit, the circuit area and the power consumption can be lowered, which further reduces the cost and improves the accuracy of temperature sensing. | 11-27-2014 |
