| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Temperature sensing circuit | US13915236 | 2013-06-11 | US09086330B2 | 2015-07-21 | Chan-Hong Chern; Steven Swei |
| A circuit includes a comparator, a first circuit, and a second circuit. The comparator has a first input node and a second input node. The first circuit is configured to output a temperature-dependent voltage at the first input node of the comparator. The first circuit includes a current mirror configured to generate a first reference voltage. The second circuit is configured to output a second reference voltage at the second input node of the comparator responsive to a digital code and the first reference voltage. | ||||||
| 242 | Temperature detection device having a diode and an analog-digital converter | US13175335 | 2011-07-01 | US08992080B2 | 2015-03-31 | Polichronis Lepidis; Uwe Schiller |
| A temperature detection device includes a diode and an analog-digital converter. An output voltage signal of the diode is applicable to an input of the analog-digital converter. The temperature detection device is adapted for the purpose of coupling a reference voltage of the analog-digital converter and the diode current of the diode such that effects of variations of the reference voltage or the diode current on the digital output signal of the analog-digital converter are partially or completely suppressed. | ||||||
| 243 | RATIO METER OF A THERMAL SENSOR | US13754151 | 2013-01-30 | US20140211905A1 | 2014-07-31 | Mei-Chen CHUANG; Jui-Cheng HUANG; Alan ROTH |
| A ratio meter includes a converter circuit, a first counter, a delay circuit, and a second counter. The converter circuit is configured to receive a temperature-independent signal, to convert the received temperature-independent signal into a first frequency signal during a first phase, to receive a temperature-dependent signal, and to convert the temperature-dependent signal into a second frequency signal during a second phase. The first counter is configured to receive the first frequency signal and to generate a control signal by counting a predetermined number of pulses of the first frequency signal count. The delay circuit is configured to delay the control signal for a predetermined time delay. The second counter is configured to receive the second frequency signal and to generate a count value by counting the second frequency signal. | ||||||
| 244 | SYSTEMS AND METHODS FOR AN AUTO-RANGING TEMPERATURE SENSOR | US13743890 | 2013-01-17 | US20140198820A1 | 2014-07-17 | Lance LeRoy Sundstrom; Shane Michael Kirkpatrick; Darryl I. Parmet |
| Systems and methods for an auto-ranging temperature sensor are provided. In at least one embodiment, a system for sensing and measuring temperature comprises at least one analog signal amplifier that generates an amplified analog signal output based on an analog signal from at least one of a biased thermistor circuit and a calibration circuit and a digital to analog converter that generates an analog offset signal as an input to the at least one analog signal amplifier, wherein the analog offset signal shifts the amplified analog signal within an analog to digital converter input operating range when the amplified analog signal is equal to or greater than a limit of the analog to digital converter input operating range, wherein the analog offset signal is determined based on the magnitude of the amplified analog signal. | ||||||
| 245 | Method for measuring temperature of motor for hybrid electric vehicle | US12796744 | 2010-06-09 | US08690422B2 | 2014-04-08 | Chul Woo Kim; Bum Sik Kim; Tae Hwan Chung; Young Kook Lee; Jin Hwan Jung; Sang Hyeon Moon; Sung Kyu Kim; Jae Won Lee |
| The present invention provides a method for measuring the temperature of a motor for a hybrid electric vehicle. In preferred embodiments, the method of the present invention can preferably ensure the stability and reliability of motor control by extending the linearity of a temperature sensor attached to the motor within a required measurement range. The present invention preferably provides a method for measuring the temperature of a motor for a hybrid electric vehicle, in which a required measurement range of motor temperature is divided into high and low temperature ranges and a hardware gain circuit is divided into first and second gain blocks such that the first gain block measures the temperature of the high temperature range and the second gain block measures the temperature of the low temperature range. | ||||||
| 246 | Synchronous multi-temperature sensor for semiconductor integrated circuits | US12946928 | 2010-11-16 | US08645095B2 | 2014-02-04 | Seong Seop Lee; Saeng Hwan Kim |
| A temperature sensor includes a counting signal generation unit, a counting signal decoding unit, an input reference voltage selection unit, and a latch pulse generation unit. The counting signal generation unit is configured to generate one or more counting signals in response to an oscillation signal. The counting signal decoding unit is configured to decode the one or more counting signals and to generate one or more test selection signals and an end signal. The input reference voltage selection unit is configured to output a first selection reference voltage or a second selection reference voltage as an input reference voltage in response to the one or more test selection signals. The latch pulse generation unit is configured to generate one or more latch pulses in response to the one or more test selection signals. | ||||||
| 247 | Temperature sensing device | US13167706 | 2011-06-24 | US08583398B2 | 2013-11-12 | Chuan-Fu Cheng; Hao-Chang Chang; Hui-Yi Cheng |
| A temperature sensing device includes a bandgap voltage generator, N mirror current sources, a temperature voltage generator, and a temperature calculating unit. The mirror current sources mirror N mirror currents according to a positive temperature coefficient current. The temperature voltage generator sets the conducting number M of the mirror current sources based on a control signal, so as to generate a temperature voltage. The temperature calculating unit gradually counts the control signal and compares a potential of the temperature voltage with a potential of a reference voltage generated by the bandgap voltage generator after counting the control signal, so as to calculate and obtain temperature information. Thus, the temperature sensing device controls the conducting number M of the mirror current sources to generate the temperature voltage instead of applying serially-connected resistors, so as to reduce a circuit area of the temperature sensing device and reduce noise. | ||||||
| 248 | TEMPERATURE SENSOR AND TEMPERATURE MEASUREMENT METHOD THEREOF | US13753650 | 2013-01-30 | US20130272341A1 | 2013-10-17 | Sang Gug LEE; Ohyong JUNG; Seungjin KIM; Seok Kyun HAN |
| 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. | ||||||
| 249 | TEMPERATURE SENSING CIRCUIT | US13915236 | 2013-06-11 | US20130272340A1 | 2013-10-17 | Chan-Hong CHERN; Steven SWEI |
| A circuit includes a comparator, a first circuit, and a second circuit. The comparator has a first input node and a second input node. The first circuit is configured to output a temperature-dependent voltage at the first input node of the comparator. The first circuit includes a current mirror configured to generate a first reference voltage. The second circuit is configured to output a second reference voltage at the second input node of the comparator responsive to a digital code and the first reference voltage. | ||||||
| 250 | METHOD AND APPARATUS FOR LOW COST, HIGH ACCURACY TEMPERATURE SENSOR | US13399611 | 2012-02-17 | US20130218512A1 | 2013-08-22 | Sejun KIM; Khiem Quang NGUYEN; Michael W. DETERMAN; Robert ADAMS |
| The invention may provide a temperature sensor device that includes an analog temperature sensor to generate a first base-emitter voltage and a second base-emitter voltage, and an analog-to-digital converter (ADC) to sample at the voltages and generate corresponding digital values. The temperature sensor device may also include a logic unit to calculate a digital temperature code from the digital values using a digital virtual reference. | ||||||
| 251 | TEMPERATURE MEASURING DEVICE OF A POWER SEMICONDUCTOR APPARATUS | US13607017 | 2012-09-07 | US20130060499A1 | 2013-03-07 | Hiroyuki YOSHIMURA |
| A temperature measuring device of a power semiconductor apparatus that accurately detects chip temperature even where a gradient of the measured characteristic line segment is different from a designed gradient, including a chip temperature detecting circuit that includes an A/D converter delivering a measurement value of a digital converted forward voltage across a temperature detecting diode and an operational processing unit for calibration and chip temperature calculation. In calibration processing, different known reference voltages are applied by a reference connected in place of the diode and a gradient of the line segment connecting the measurement values is calculated. The gradient is stored in a memory with an offset correction value that is one of the measurement values. A chip temperature is calculated based on a forward voltage across the diode calculated based on the measurement value and the stored values of the gradient and the offset correction value. | ||||||
| 252 | Method of outputting temperature data in semiconductor device and temperature data output circuit therefor | US12605032 | 2009-10-23 | US08322922B2 | 2012-12-04 | Yun-Young Lee; Kyu-Chan Lee; Ho-Cheol Lee |
| A method of outputting temperature data in a semiconductor device and a temperature data output circuit are provided. A pulse signal is generated in response to a booting enable signal activated in response to a power-up signal and the generation is inactivated in response to a mode setting signal during a power-up operation. A comparison signal is generated in response to the pulse signal by comparing a reference voltage independent of temperature with a sense voltage that varies with temperature change. The temperature data is changed in response to the comparison signal. Thus, the temperature data output circuit can rapidly output the exact temperature of the semiconductor device measured during the power-up operation. | ||||||
| 253 | Time domain digital temperature sensing system and method thereof | US12185976 | 2008-08-05 | US08317393B2 | 2012-11-27 | Poki Chen; Chun-chi Chen; Tuo-kuang Chen |
| A digital temperature sensing system and method for converting a test temperature into a digital output signal are disclosed. The system comprises a temperature-to-time circuit for generating a thermally sensitive time signal of which a width varies with the test temperature; an adjustable time reference circuit for generating a time reference signal of which a width changes with the digital set value; a time comparator for generating a time comparison signal according to a width difference between the thermally sensitive time signal and the time reference signal; a logic control circuit for adjusting the digital set value of the adjustable time reference circuit according to the time comparison signal so that the width of the thermally sensitive time signal and the width of time reference signal are close enough or substantially equal. | ||||||
| 254 | Temperature detecting device and method | US12855836 | 2010-08-13 | US08303178B2 | 2012-11-06 | Bin-Wei Yi; Hui-Yi Cheng |
| A temperature detecting device includes a current source, a plurality of resistors, a binary counter, a multiplexer, a comparator and a control logic. The current source provides a PTAT current. The resistors provide m voltage signals with ascending or descending voltages. The binary counter generates a binary select signal having (n+1) bits. The m voltage signals are selectively outputted from the multiplexer as a multiplexer output signal according to the binary select signal, wherein 2n | ||||||
| 255 | PDM output temperature sensor | US12582962 | 2009-10-21 | US08206031B2 | 2012-06-26 | Ryoichi Anzai |
| To provide a PDM output temperature sensor, which is reduced in area and consumption power, provided is a PDM output temperature sensor which includes no reference voltage circuit, thereby having a smaller area and consuming less power correspondingly. | ||||||
| 256 | DRAM temperature measurement system | US12838211 | 2010-07-16 | US08162540B2 | 2012-04-24 | Sugato Mukherjee |
| A converter comprising a comparator having a first input operable to receive a first signal, a second input operable to receive a second signal, and an output, a switch for sinking a portion of the first signal, wherein the switch is responsive to the output, and an integrator connected to the first input, wherein the first signal is a voltage developed by the integrator when a current proportional to the absolute temperature is applied thereto. A method for measuring temperature of a device using a comparator and converting the bitstream of the comparator to a digital output is also given. Because of the rules governing abstracts, this abstract should not be used to construe the claims. | ||||||
| 257 | TEMPERATURE DETECTION DEVICE HAVING A DIODE AND AN ANALOG-DIGITAL CONVERTER | US13175335 | 2011-07-01 | US20120002700A1 | 2012-01-05 | Polichronis Lepidis; Uwe Schiller |
| A temperature detection device includes a diode and an analog-digital converter. An output voltage signal of the diode is applicable to an input of the analog-digital converter. The temperature detection device is adapted for the purpose of coupling a reference voltage of the analog-digital converter and the diode current of the diode such that effects of variations of the reference voltage or the diode current on the digital output signal of the analog-digital converter are partially or completely suppressed. | ||||||
| 258 | HIGH RESOLUTION MEASUREMENT OF THERMISTOR THERMOMETRY SIGNALS WITH WIDE DYNAMIC RANGE | US12788170 | 2010-05-26 | US20110292967A1 | 2011-12-01 | Darryl I. Parmet; Michael A. Gilbert; William Joseph Trinkle; Ernest Frank John Graetz |
| A thermistor amplifier device comprising a first amplifier and a second amplifier is provided. The first amplifier generates an analog temperature signal output based on a voltage across at least one thermistor. The second amplifier generates an offset voltage input to the first amplifier, wherein the offset voltage is based on maintaining the analog temperature signal within a predefined voltage range. The second amplifier selects the offset voltage corresponding to one of a plurality of range levels, wherein each of the plurality of range levels is associated with a temperature range of the at least one thermistor. | ||||||
| 259 | Temperature information output apparatus, imaging apparatus, method of outputting temperature information | US12929600 | 2011-02-03 | US20110221931A1 | 2011-09-15 | Hayato Wakabayashi; Masatoshi Hara |
| A temperature information output apparatus includes: a first comparison unit provided to match with a specific row in a pixel array unit and receiving and comparing an analog pixel signal output from a pixel and a reference signal having a ramp waveform having a predetermined inclination and a signal period; a first count unit carrying out a count operation during a count period within a reset period and a count period within a signal period; a first data output unit outputting the pixel data based on a count value obtained by the first count unit; a local voltage/temperature signal generating unit generating a local voltage and a temperature signal; a second comparison unit receiving and comparing the temperature signal and the reference signal; a second count unit carrying out a count operation during a count period within a reset period and a count period within a signal period; and a second data output unit outputting temperature data based on a count value obtained by the second count unit. | ||||||
| 260 | SYNCHRONOUS MULTI-TEMPERATURE SENSOR FOR SEMICONDUCTOR INTEGRATED CIRCUITS | US12946928 | 2010-11-16 | US20110208471A1 | 2011-08-25 | Seong Seop Lee; Saeng Hwan Kim |
| A temperature sensor includes a counting signal generation unit, a counting signal decoding unit, an input reference voltage selection unit, and a latch pulse generation unit. The counting signal generation unit is configured to generate one or more counting signals in response to an oscillation signal. The counting signal decoding unit is configured to decode the one or more counting signals and to generate one or more test selection signals and an end signal. The input reference voltage selection unit is configured to output a first selection reference voltage or a second selection reference voltage as an input reference voltage in response to the one or more test selection signals. The latch pulse generation unit is configured to generate one or more latch pulses in response to the one or more test selection signals. | ||||||
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