| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 374170000 | Digital output | 83 |
| 20080259997 | Systems and Methods for PWM Clocking in a Temperature Measurement Circuit - Various systems and methods for pulse width modulated clocking in a temperature measurement are disclosed. For example, some embodiments of the present invention provide temperature measurement systems with a variable current source, a transistor, and a pulse width modulation circuit. The variable current source is operable to provide a first current and a second current that are applied to the transistor. A first base-emitter voltage occurs on the transistor when the first current is applied, and a second base-emitter voltage occurs on the transistor when the second current is applied. The first base emitter voltage is associated with a first sample period, and a second base-emitter voltage is associated with a second sample period. The pulse width modulation circuit provides a pulse width modulated clock including a combination of the aforementioned first period and second period. | 10-23-2008 |
| 20080259998 | TEMPERATURE SENSOR WITH DIGITAL BANDGAP - A system comprises a temperature sensor generate multiple base-emitter voltage signals by sequentially providing various currents to a transistor, and a system controller to determine a differential voltage signal according to the multiple base-emitter voltage signals, the differential voltage signal proportional to an environmental temperature associated with the transistor. | 10-23-2008 |
| 20090003409 | Temperature sensor and semiconductor memory device using the same - A semiconductor memory device includes a temperature sensor. The temperature sensor includes a temperature data signal generator and a temperature signal extractor. The temperature data signal generator generates temperature data signals for respective temperate ranges of internal temperature. The temperature signal extractor receives the temperature data signals and a pulse signal with a predetermined cycle, extracts the temperature data signal that is activated for at least two cycles of the pulse signal, and generates a temperature signal corresponding to the extracted temperature data signal. | 01-01-2009 |
| 20090028212 | Dram temperature measurement system - 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. | 01-29-2009 |
| 20090129438 | Devices and methods for reducing effects of device mismatch in temperature sensor circuits - A temperature sensor having one or more mirror circuits output temperature dependent output signals is disclosed in one embodiment. The temperature sensor includes a sampling circuit coupled to receive a clock signal that samples the output signals for a duration of a predetermined number of clock cycles. The temperature sensor additionally includes a phase control circuit that receives the clock signal and generates a control signal that enables subsequent sampling operations. Each subsequent sampling operation has a duration of the predetermined number of clock cycles. The control signal from the phase control circuit further enables input and output terminals of respective circuit components in the mirror circuits to be switched for each subsequent sampling operation. | 05-21-2009 |
| 20090129439 | DIGITAL TEMPERATURE INFORMATION GENERATING APPARATUS FOR SEMICONDUCTOR INTEGRATED CIRCUIT - A digital temperature information generating apparatus for a semiconductor integrated circuit includes a temperature information generating block that, in response to a reset signal, latches and decodes multiple divided signals obtained by multiple-dividing a second control signal at a timing corresponding to a change in period of a first control signal according to a temperature, and generates temperature information, and pads through which the generated temperature information is output. | 05-21-2009 |
| 20090141770 | TIME DOMAIN DIGITAL TEMPERATURE SENSING SYSTEM AND METHOD THEREOF - 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. | 06-04-2009 |
| 20090168840 | Thermal data output circuit and multi chip package using the same - A temperature data output circuit is provided which is capable of outputting a temperature signal which is enabled when an internal temperature of at least one of the semiconductor memory chips mounted on a multi chip package exceeds a predetermined temperature. | 07-02-2009 |
| 20090175317 | INTELLIGENT ILLUMINATION THERMOMETER - A thermometer includes an illuminated display, which may act as an intelligent indicator of the change and level of temperature. The thermometer includes memory unit accommodating multiple users and their past records respectively. When a new temperature reading is obtained, the thermometer compares the new temperature against the immediate preceding record of the same user. The thermometer further includes a display module indicating the change of temperature reading and the fever status of the user. | 07-09-2009 |
| 20090232184 | DIGITAL FOOD THERMOMETER WITH FAST RESPONSE PROBE - A digital thermometer having a fast response probe is provided. The probe preferably has a distal end and a proximal end, the proximal end including an opening; a temperature sensing element disposed in said probe housing proximate to the opening and a thermally conductive food safe coating covering the opening. The probe is connected to a housing including thermometer circuitry and, preferably, a temperature display. The thermometer generates a reading to an accuracy of within +/−0.5° F. in a temperature range of between 130° F. to 150° F. The thermometer reaches a stabilized reading within 8 seconds or less. | 09-17-2009 |
| 20090268777 | Thermal code output circuit and semiconductor memory device - A thermal code output circuit is provided, comprising a pulse signal generator configured to receive multiple period signals and generate a pulse signal in response to a test mode signal, a thermal code output unit configured to output multiple thermal codes in response to the pulse signal, and a strobing signal output unit configured to output the pulse signal or a reference voltage selectively as a strobing signal in response to the test mode signal. | 10-29-2009 |
| 20090274192 | REPLACEABLE ELECTRONIC CLINICAL THERMOMETER - A replaceable electronic clinical thermometer includes a control portion and a plurality of sensor portions. The control portion and sensor portions are installed with respective connecting units. The control portion has a first connecting unit, a control portion, a display unit and a circuit unit. The circuit unit is electrically connected to the first connecting unit. A sensor unit is installed to one end of the sensor portion, and the other end of the sensor portion is installed to a second connecting unit. The sensor portion is electrically connected to the second connecting unit. The first connecting unit has a plurality of pins which are printed upon a printed circuit board or are metal strings. Each of the pins is exposed and installed to the outer periphery of the first connecting unit. The second connecting unit has a plurality of pins corresponding to the pins of the first connecting unit. | 11-05-2009 |
| 20090296779 | TEMPERATURE DETECTOR AND THE METHOD USING THE SAME - A temperature detector includes a plurality of comparators, an electronic component and a controller. Each of the comparators is responsible for detecting different temperature ranges. The electronic component has a temperature-dependent threshold voltage and an output connected to inputs of the plurality of comparators. The controller is configured to enable only one of the comparators at one time and to generate a value to the other inputs of the plurality of comparators. | 12-03-2009 |
| 20090323763 | Thermal Sensor Device - A thermal sensor is provided that includes a front-end component, an analog-to-digital converter and a digital backend. The front-end component including an array of current sources, a dynamic element matching (DEM) device, an analog chopper and two diodes to sense temperatures on the die. The front-end component to provide analog signals at two output nodes based on currents through the two diodes. The analog-to-digital converter to receive the analog signals from the front-end component and to provide an output signal. The digital backend to receive the output signal from the analog-to-digital converter and to provide a calculated temperature. | 12-31-2009 |
| 20100002747 | SYSTEM AND METHOD FOR N'TH ORDER DIGITAL PIECE-WISE LINEAR COMPENSATION OF THE VARIATIONS WITH TEMPERATURE OF THE NON-LINEARITIES FOR HIGH ACCURACY DIGITAL TEMPERATURE SENSORS IN AN EXTENDED TEMPERATURE RANGE - A system and method is provided for a high accuracy digital temperature sensor (DTS). The system includes a differential analog temperature sensor based on bipolar junctions, providing an output signal obtained as the difference between the V | 01-07-2010 |
| 20100002748 | CMOS TEMPERATURE-TO-DIGITAL CONVERTER WITH DIGITAL CORRECTION - Methods and systems for producing a digital temperature reading are provided. In an embodiment, one or more current sources and one or more switches are used to selectively provide a first amount of current (I | 01-07-2010 |
| 20100040111 | TEMPERATURE MEASURING METHOD AND TEMPERATURE MEASURING APPARATUS USING THE SAME - A temperature measuring method and a temperature measuring apparatus using the same are provided. In the method, four different currents are provided to a temperature measuring device respectively so as to obtain four different voltages at two ends of the temperature measuring apparatus correspondingly. A ratio of two of the four different currents is equal to a ratio of the other two currents. Next, two voltage variation values are obtained according to mentioned four different voltages. One of the voltage variation values is converted to a first digital temperature code representing a first temperature, and the other voltage variation value is converted to a second digital temperature code representing a second temperature. Then, a real temperature code representing a real temperature is obtained according to the first digital temperature code and the second digital temperature code. | 02-18-2010 |
| 20100098133 | APPARATUS FOR DETECTING TEMPERATURE USING TRANSISTORS - An apparatus for detecting a temperature using transistors includes a plurality of temperature detecting units that become selectively active according to predetermined temperature intervals; and a detection signal output unit that generates detection signals according to the signals transmitted by the plurality of temperature detecting units, and outputs the detection signals. | 04-22-2010 |
| 20100166035 | TEMPERATURE MEASURING DEVICE - A temperature measuring device includes an IPTAT generator for generating an IPTAT for generating a band gap reference voltage, and a voltage forwarder for generating an analogous temperature voltage corresponding to a mirror current which is a mirrored current of the IPTAT, thereby permitting to embody the temperature measuring device with SOC techniques using a digital CMOS process such that the temperature measuring device occupies small overall area. | 07-01-2010 |
| 20100189160 | TEMPERATURE SENSING CIRCUIT OF SEMICONDUCTOR DEVICE - A temperature sensing circuit of a semiconductor device includes a code signal generator, a comparator, a reference clock generator and a final temperature code signal generator. The code signal generator is configured to output a first count signal having an increase rate that varies according to a change in temperature. The comparator is configured to receive the first count signal and a control signal, compare the first count signal with the control signal and output a comparison signal. The reference clock generator is configured to generate a reference clock having a uniform period regardless of the change in temperature during an activation period of the comparison signal. The final temperature code signal generator is configured to count pulses of the reference clock, generate a second count signal, modify the second count signal using an offset value, and output the modified second count signal as a final temperature code signal. | 07-29-2010 |
| 20110026561 | TEMPERATURE INFORMATION OUTPUTTING CIRCUIT AND A SEMICONDUCTOR MEMORY APPARATUS USING THE SAME - A temperature information outputting circuit of a semiconductor memory apparatus for accurately performing a temperature measuring test is presented. The temperature information outputting circuit includes first, second and third temperature information outputting units. The first temperature information outputting unit outputs a first temperature information signal to a single temperature information outputting pad when a first test signal is enabled. The second temperature information outputting unit stores a second temperature information signal when the first test signal is enabled and outputs the stored second temperature information signal to the single temperature information outputting pad when a second test signal is enabled. The third temperature information outputting unit stores a third temperature information signal when the first test signal is enabled and outputs the stored third temperature information signal to the single temperature information outputting pad when a third test signal is enabled. | 02-03-2011 |
| 20110122917 | PHYSICAL QUANTITY DETECTING APPARATUS - A physical quantity detecting apparatus includes a plurality of physical quantity conversion circuits, an output selection circuit and a signal conversion circuit. Each of the plurality of physical quantity conversion circuits converts a physical quantity to be detected into a voltage corresponding to the physical quantity and outputs the voltage. The output selection circuit is electrically connected to the plurality of physical quantity conversion circuits to select a maximum voltage from among the voltages outputted from the plurality of physical quantity conversion circuits. The signal conversion circuit is electrically connected to the output selection circuit to convert the voltage outputted from the output selection circuit into a pulse signal having a pulse width or frequency corresponding to the voltage and output the pulse signal. | 05-26-2011 |
| 20110158286 | DIGITAL OUTPUT TEMPERATURE SENSOR AND METHOD OF TEMPERATURE SENSING - A temperature sensor generates a digital output signal representative of the absolute temperature of the sensor. The sensor includes a first circuit configured to generate a complementary to absolute temperature (CTAT) voltage signal and a second circuit configured to generate a proportional to absolute temperature (PTAT) current signal. A comparator receives the CTAT and PTAT signals and generates a comparison signal based on a comparison between the signals. A converter circuit receives the comparison signal and generates a digital output signal based on the comparison signal. The digital output signal is representative of the temperature of the sensor. | 06-30-2011 |
| 20110200070 | ADC, A TEMPERATURE SENSOR, A NON-CONTACT TRANSPONDER, AND A METHOD OF CONVERTING ANALOG SIGNALS TO DIGITAL SIGNALS - An ADC is disclosed which has, as a first stage, a successive approximation converter, or other compensated, direct comparison converter, followed by a sigma delta modulation converter as a second stage. The sigma delta converter may beneficially be a first order modulator. The resulting ADC combines accuracy with low power consumption per conversion, and thus is particularly suited for use in temperature sensors for applications such as RFID transponders. Such a temperature sensor and an RFID transponder are also disclosed. There is also disclosed a method of analog-to-digital conversion, comprising a first successive approximation register or other compensated, direct comparison conversion stage followed by a sigma delta modulation stage, which, further, may be combined with providing a proportional-to-absolute-temperature (PTAT) signal, for low-power, accurate temperature sensing. | 08-18-2011 |
| 20110235677 | DIGITAL THERMOMETER STRUCTURE - A digital thermometer includes a sensing case, a display case, and an electronic control unit. The sensing case includes a sensing rod at its front end and a core portion at its rear end where a window is formed on the core portion. The display case is movably sheathed onto the core portion, and a display cover is installed onto the display case at a position corresponding to the window. The electronic control unit includes a control circuit board and a display screen electrically coupled to the control circuit board. The control circuit board is installed at a backside of the core portion, and the display screen is installed corresponding to the window. With the sensing case and the display case, the case structure of the electronic clinical thermometer can be simplified to reduce costs and improve the easiness to be waterproof. | 09-29-2011 |
| 20110292967 | HIGH RESOLUTION MEASUREMENT OF THERMISTOR THERMOMETRY SIGNALS WITH WIDE DYNAMIC RANGE - 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. | 12-01-2011 |
| 20120002700 | TEMPERATURE DETECTION DEVICE HAVING A DIODE AND AN ANALOG-DIGITAL CONVERTER - 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. | 01-05-2012 |
| 20120087390 | THERMAL SENSOR DEVICE - A thermal sensor is provided that includes a front-end component, an analog-to-digital converter and a digital backend. The front-end component including an array of current sources, a dynamic element matching (DEM) device, an analog chopper and two diodes to sense temperatures on the die. The front-end component to provide analog signals at two output nodes based on currents through the two diodes. The analog-to-digital converter to receive the analog signals from the front-end component and to provide an output signal. The digital backend to receive the output signal from the analog-to-digital converter and to provide a calculated temperature. | 04-12-2012 |
| 20120140792 | TEMPERATURE SENSING APPARATUS AND METHOD OF SENSING TEMPERATURE - A temperature sensing apparatus disposed inside a chip includes first and second current generation circuits, first and second current-to-frequency converters, and a counting unit. The first current generation circuit is configured to generate a first current varying proportional to the temperature of the temperature sensing apparatus. The second current generation circuit is configured to generate a second current independent of temperature. The first current-to-frequency converter is configured to generate a first frequency signal with a first frequency indicative of the first current, and the second current-to-frequency converter is configured to generate a second frequency signal with a second frequency indicative of the second current. The counting unit is configured to generate a digital signal indicative of the temperature according to the difference between the first and second frequencies. | 06-07-2012 |
| 20120195345 | LCD SCREEN FOR THERMOMETER - A LCD screen used in a thermometer for displaying the body temperature of a person measured by the thermometer, having a center temperature-display zone adapted for displaying a front part of the digits of the temperature value measured by the thermometer, and an outer temperature-display zone surrounding the center temperature-display zone adapted for displaying the last digit, for example, the digit at the tenths or hundredths place after the decimal point of the temperature value measured by the thermometer by means of one of the digital numerals 0˜9. | 08-02-2012 |
| 20120219035 | TEMPERATURE ESTIMATION APPARATUS AND METHOD IN THERMOCOUPLE INPUT MODULE OF PLC - Disclosed is a temperature estimation apparatus and a method in thermocoupler input module of PLC, wherein the estimation according to the present invention is performed in such a manner that an analogue signal corresponding to a thermo-electromotive force is converted to a digital data, and the estimation is performed using a predetermined temperature estimation function corresponding to the thermo-electromotive force converted to the digital data. | 08-30-2012 |
| 20120230366 | Optical Digital Thermometer - The present invention is an optical digital thermometer, the novel non-contact digital optical thermometer is based on quantum theory of lightwaves, it can replace the conventional non-contact thermometers that are based on Planck's Law of Blackbody Radiation. The said invention points out four aspects of misunderstandings regarding relationship between temperature (thermal energy) and wave energy of a subject emulated by Boltzmann, Wien, Planck, Rayleigh, Hopkins and other scientists 130 years ago, namely:
| 09-13-2012 |
| 20120230367 | TEMPERATURE SENSOR WITH DIGITAL BANDGAP - A system comprises a temperature sensor generate multiple base-emitter voltage signals by sequentially providing various currents to a transistor, and a system controller to determine a differential voltage signal according to the multiple base-emitter voltage signals, the differential voltage signal proportional to an environmental temperature associated with the transistor. | 09-13-2012 |
| 20120257649 | EAR THERMOMETER AND MEASURING APPARATUS USED WITH IT - An object is to realize an ear thermometer that is configured to easily arrange a sensor in a sensor mirror and is suitable for mass production. The ear thermometer has a probe. The probe includes a probe body and a temperature measuring part joined with the probe body. The temperature measuring part includes a flange coupled with the probe body and a front end part extending from the flange, the front end part incorporating a sensor mirror. The sensor mirror includes a cylindrical holder with an internal concave reflection face, a connection shaft extending from the back of the cylindrical holder, a flexible printed circuit board with a circuit conductor of predetermined pattern, stretched in a front space of the cylindrical holder, a temperature measuring first sensor and a correcting second sensor spaced by a predetermined distance from each other in a longitudinal direction of the board and soldered to the circuit conductor on the board, and a protection cover covering a front face of the cylindrical holder. The board is electrically connected, in the temperature measuring part, to the cable passing through the probe body. | 10-11-2012 |
| 20120307866 | TEMPERATURE SENSING SYSTEM FOR SUPPORTING SINGLE-POINT CALIBRATION - A time-domain temperature sensing system for supporting a single-point calibration is disclosed. Under a single calibration temperature, the digital output of said temperature sensing system is adjusted by a calibration circuit to a specific value, and the generated calibration parameter thereof can be stored in the same chip of the temperature sensing system or in an off-chip component such as a non-volatile memory. Accordingly, the drawback which is caused by the high cost of a conventional two-point calibration in prior art is solved. | 12-06-2012 |
| 20120307867 | VOLTAGE-TEMPERATURE SENSOR AND SYSTEM INCLUDING THE SAME - A voltage-temperature sensor includes a first converter, a second converter and a data processing block. The first converter generates first digital data based on an operational voltage and an operational temperature. The first converter has a first sensitivity to the operational voltage and the operational temperature. The second converter generates second digital data based on the operational voltage and the operational temperature. The second converter has a second sensitivity to the operational voltage and the operational temperature. The second sensitivity is different from the first sensitivity. The data processing block determines a combination of an unknown value of the operational voltage and an unknown value of the operational temperature based on a combination of the first digital data and the second digital data. | 12-06-2012 |
| 20130051429 | ELECTRONIC PART, METHOD OF MANUFACTURE FOR ELECTRONIC PART AND DIGITAL THERMOMETER - The present invention provides (A) an electronic part including a metal part combined with a non-metal part so as to cover the non-metal part, which electronic part can be assembled (i) with excellent workability, (ii) without requiring a high-temperature condition, and (iii) in a short period of time and (B) a method for manufacturing the electronic part. An electronic part ( | 02-28-2013 |
| 20130064267 | ELECTRONIC THERMOMETER CAPABLE OF DISPLAYING TEMPERATURE BY PICTURE AND METHOD FOR DISPLAYING TEMPERATURE THEREOF - An electronic thermometer capable of displaying temperature by picture includes a body, a micro-controller, a display screen and a temperature-sensing element. The body has a measurement portion. The micro-controller is disposed in the body. The display screen is combined in the body. The temperature-sensing element is provided in the measurement portion and electrically connected to the micro-controller. A temperature signal sensed by the temperature-sensing element is transmitted to the micro-controller. The micro-controller converts the temperature signal into a temperature value comprising a measured integer value and a measured decimal value. The micro-controller converts the measured decimal value into a picture. The display screen is configured to display the measured integer value and the picture. The present invention further provides a method for displaying temperature measured by an electronic thermometer by picture. By displaying a picture representing the temperature, the electronic thermometer increases customer acceptance with regard to visual effect. | 03-14-2013 |
| 20130121375 | Thermometer with Electric Generator - A thermometer includes a body member and a tip member with a thermal contact surface secured to the body member. A thermal sensor mounted on the inside of the tip member is adapted for sensing a thermal contact surface and producing a temperature signal. A set of lead wires is coupled to the thermal sensor for transmission of the temperature signal. A display module is disposed in the body member. A processor is electrically connected to the set of lead wires to receive the temperature signal for display of a corresponding temperature reading. An electric generator having a motor with a rotary shaft is disposed in the body member. The motor is driven for generating electric energy when the rotary shaft is rotated. A capacitor is electrically connected to the electric generator for storing the electric energy generated by the electric generator and supplying the electric energy to the processor. | 05-16-2013 |
| 20130121376 | METHOD AND APPARATUS FOR DETERMINING A TEMPERATURE OF A VIBRATING SENSOR COMPONENT OF A VIBRATING METER - A method for determining a temperature of a vibrating sensor component ( | 05-16-2013 |
| 20130128922 | Temperature Measuring Devices and Related Methods - Exemplary embodiments are disclosed herein of temperature measuring devices. In an exemplary embodiment, a temperature measuring device includes a temperature sensing means, at least two reference voltage sources, and a reference voltage selection means for selecting one reference voltage source from the at least two reference voltage sources to generate a reference voltage output. The temperature measuring device also includes an A/D converter for converting an analog signal output by the temperature sensing means to a digital signal based on the reference voltage output. The temperature measuring device further includes a temperature calculation means for calculating a temperature to be measured based on the digital signal output by the A/D converter. | 05-23-2013 |
| 20130148692 | ELECTRONIC THERMOMETER AND METHOD FOR MANUFACTURING THE SAME - An electronic thermometer that is inexpensive, has fast thermal response, and suppresses bending and directional misalignment of the lead of the temperature sensor during assembly. The electronic thermometer includes: a thermistor that includes a temperature sensing unit that measures the body temperature of a measurement subject and a lead having one end that is fixed to the temperature sensing unit; a hollow housing that houses the lead, and in which the temperature sensing unit is arranged on the tip side; a printed circuit board to which the other end of the lead is fixed; an assembly that includes the printed circuit board and is housed in the housing; and a plate-shaped member that is attached to the assembly and is arranged on the tip side of the housing relative to the assembly. The plate-shaped member has adhesive characteristics on a top face that opposes the lead. | 06-13-2013 |
| 20130156068 | TEMPERATURE TEST SYSTEM - A temperature test system for detecting temperatures in a test chamber includes a switch module, a detecting module, a control module, a decoding module and a display module. The switch module inputs test instructions to select a test position in the test chamber. The detecting module detects a temperature signal of the test position according to the test instructions. The control module receives the temperature signal, and converts the temperature signal to a temperature value. The decoding module decodes the temperature value to digital signals. The display module receives the digital signals to display. | 06-20-2013 |
| 20130156069 | PROCESS INDEPENDENT TEMPERATURE SENSOR BASED ON OSCILLATOR - The inventive concept discloses a new temperature sensor structure based on oscillator which is insensitive to a process change and improves an error rate of temperature output. The temperature sensor based on oscillator compares an oscillator circuit structure insensitive to a temperature change with an oscillator circuit structure having a frequency change in proportion to a temperature change to output a relative difference between the two oscillator circuit structures and thereby it is compensated itself. In the temperature sensor based on oscillator, a problem of performance reduction due to an external environment and a process deviation of temperature sensor is improved and an output distortion and temperature nonlinearity are effectively improved. Thus, since the temperature sensor based on oscillator has a structure of high performance, low power and low cost, it can be variously used in a detection equipment of temperature environment. | 06-20-2013 |
| 20130188666 | ELECTRONIC THERMOMETER AND METHOD FOR MANUFACTURING THE SAME - Provided is an electronic thermometer that is inexpensive, has fast thermal response, and suppresses bending and directional misalignment of the lead of the temperature sensor during assembly of the electronic thermometer. The electronic thermometer includes: a temperature sensor that includes a temperature sensing unit that measures the body temperature of a measurement subject and a lead having one end that is fixed to the temperature sensing unit; a hollow housing that houses the lead, and in which the temperature sensing unit is arranged on the tip side; a printed circuit board to which the other end of the lead is fixed; and an assembly that includes the printed circuit board and is housed in the housing. The assembly includes an extension portion extending toward the tip side of the housing. The extension portion has a guide portion that orients the extending direction of the lead. | 07-25-2013 |
| 20130195141 | DISPLAY DEVICE WITH TEMPERATURE SENSOR - A display device includes a temperature sensor which is arranged in the inside of a housing, and a control unit which calculates a temperature of a display panel based on an output value of the temperature sensor. The control unit calculates the temperature of the display panel based on a current output value of the temperature sensor and an output value of the temperature sensor received prior to the receiving of the current output value. With such a display device, the temperature of the display panel can be calculated with high accuracy even when a temperature of a device which constitutes a heat source is changed. | 08-01-2013 |
| 20130243034 | TEMPERATURE SENSING PORTION CAP AND ELECTRONIC THERMOMETER - A temperature sensing portion cap includes a tubular or substantially tubular body portion that is located toward an opening portion of a main body housing, and a bottomed accommodating portion that is in communication with the body portion and accommodates the temperature sensing portion. A temperature sensing portion supporting region is provided inside the accommodating portion, by an indented region that is indented toward the body portion being provided on a tip portion side of an outer surface of the accommodating portion. | 09-19-2013 |
| 20130343428 | TEMPERATURE SENSING DEVICE AND METHOD OF DRIVING THEREOF - A temperature sensing device includes a first frequency generator for generating a first clock signal having a first frequency that is constant regardless of a temperature; a second frequency generator for generating a second clock signal having a second frequency that is changed according to the temperature; and a data holding unit for outputting a temperature code indicating a number of pulses of the second clock signal counted for a reference time at which a number of pulses of the first clock signal reaches a predetermined threshold. The temperature sensing device does not require a reference clock signal input from the outside and is insensitive to the change in the process, thereby being capable of improving the performance of the temperature sensing device. | 12-26-2013 |
| 20140036959 | TEMPERATURE SENSOR - A temperature sensor includes two signal delaying apparatuses having the same internal circuit structure, a comparison apparatus, a multiplier, and a counting apparatus. One signal delaying apparatus is for delaying the phase of a step signal according to a temperature degree so as to form a first output signal. The other signal delaying apparatus operates at ZTC point and is for delaying the phase of the step signal so as to form a second output signal. The comparison apparatus receives the first and second output signals so as to output a third output signal accordingly. The multiplier receives the third output signal and a clock signal so as to output a fourth output signal accordingly. The counting apparatus is for counting the number of the pulses of the fourth output signal so as to generate a digital code accordingly. | 02-06-2014 |
| 20140064333 | THERMOMETER DISPLAY - Systems, methods and apparatus are provided through which in some implementations a digital thermometer generating the measured temperature by a microprocessor that is operably coupled to an infrared sensor through a data acquisition circuit, determining by the microprocessor in which temperature range of a plurality of temperature ranges is the measured temperature, yielding a determined temperature range, identifying by the microprocessor a display characteristic that is associated with the determined temperature range, yielding an identified display and activating the color display device through a bridge in accordance with the identified display characteristic. | 03-06-2014 |
| 20140086275 | TIME DIFFERENCE ADDERS, TIME DIFFERENCE ACCUMULATORS, SIGMA-DELTA TIME-TO-DIGITAL CONVERTERS, DIGITAL PHASE LOCKED LOOPS AND TEMPERATURE SENSORS - A time difference adder included in a system-on-chip (SOC) includes a first register unit and a second register unit. The first register unit is configured to receive first and second input signals having a first time difference, and generate a first output signal in response to a first signal. The second register unit is configured to receive third and fourth input signals having a second time difference, and generate a second output signal having a third time difference with respect to the first output signal in response to the first signal. The third time difference corresponds to a sum of the first time difference and the second time difference. | 03-27-2014 |
| 20140204974 | TEMPERATURE SENSOR AND TEMPERATURE SENSING METHOD - Provided is a temperature sensing circuit and a temperature sensing method including a delay unit delaying an input clock signal to generate a feedback clock signal, and including logic gates of which delay times are variable according to temperature, a delay control unit comparing the feedback clock signal with a reference clock signal and controlling each of the logic gates of the delay unit according to the comparison result, and an input signal control unit selecting, as the input clock signal, any one of the feedback clock signal and the reference clock signal to input the input clock signal to the delay unit. | 07-24-2014 |
| 20140241397 | ELECTRONIC THERMOMETER, ELECTRONIC THERMOMETER SYSTEM, AND RECEIVER - According to one embodiment, an electronic thermometer includes a temperature sensing unit, a conversion unit, an FSK modulation unit, and a transmission unit. The temperature sensing unit detects the temperature of a subject. The conversion unit converts a result detected by the temperature sensing unit to a digital signal. The FSK modulation unit converts the digital signal from the conversion unit to an FSK modulation signal. The transmission unit outputs a transmission signal including a pilot signal having a frequency assigned to the FSK (frequency shift keying) modulation signal and the FSK modulation signal subsequent to the pilot signal. | 08-28-2014 |
| 20140269831 | POWER DEVICE TEMPERATURE MONITOR - A power device temperature monitor is provided. The power device temperature monitor includes a power device having a control terminal and an output terminal, where the output terminal is configured to output a current as directed by a voltage of the control terminal. The power device temperature monitor includes an inductor coupled to the output terminal of the power device and an amplifier coupled to the inductor. The power device temperature monitor includes a computing device that receives an output of the amplifier, the computing device is configured to derive a temperature of the power device based upon the output of the amplifier. | 09-18-2014 |
| 20140269832 | THERMOMETER USER INTERFACE - At least one indicator light is located on the body or probe sections of a thermometer to indicate to the user that adjustments should be made to the timing or probe cover positioning of the thermometer. Additionally or alternatively the thermometer retains and displays information from previous uses, and in particular displays information pertaining to how long ago the last temperature measure was taken. Additionally, the thermometer may include additional buttons which can function to toggle the display to provide various types of information to the user, or toggle between thermometer usage modes, icon display, and LED color, among others. In another aspect, an internal body section with an access door provides access to a button allowing the user to toggle the interface of the thermometer, such as whether the temperature output is in degrees Fahrenheit or degrees Centigrade. | 09-18-2014 |
| 20140269833 | THERMOMETER - A thermometer includes a temperature sensor, a controller configured to receive a signal from the temperature sensor, and an output configured to display a temperature determined by the controller from the signal. | 09-18-2014 |
| 20140321506 | TEMPERATURE DETECTION AND REPORTING SYSTEM AND METHOD IN POWER DRIVING AND/OR CONSUMING SYSTEM - An apparatus, in one embodiment, can include a configuration including a plurality of heat generation devices. The apparatus also includes a plurality of thermal sensors respectively, operably connected to each of the plurality of heat generation devices, wherein each thermal sensor of the plurality of thermal sensors includes a respective output terminal configured to provide a voltage representative of the temperature of the respective heat generation device. The apparatus further includes an output circuit configured to output the highest temperature information among the heat generation devices. The output terminals of the plurality of thermal sensors are tied together. A corresponding method is also discussed. | 10-30-2014 |
| 20140334520 | DETACHED-TYPE TEMPERATURE INDICATOR AND METHOD FOR USING THE SAME - A detached-type temperature indicator and method for using the same is disclosed. The indicator includes a temperature sensing module and a temperature display module. These two modules are separated apart with a distance, and the temperature change sensed by the temperature sensing module can be displayed on the separate temperature display module without using any power sources. This indicator is suitable for observing the magnetic sensing patterns which reflect the temperature variations within the package from the exterior of the package without opening the package. Also, this indicator may be used repeatedly. | 11-13-2014 |
| 20140334521 | COUPLING-BASED NON-CONTACT TYPE TEMPERATURE MEASUREMENT SYSTEM AND MEASUREMENT METHOD THEREOF - A coupling-based non-contact type temperature measurement system includes a controller, a drive circuit connected to the controller, a switch circuit connected to the drive circuit, a resonance circuit connected to the switch circuit, a temperature sensor coupled to the resonance circuit, and a signal detection circuit connected to the resonance circuit and the controller. In the measurement system, the temperature sensor is isolated from other components of the system, and non-contact type temperature measurement of an object is implemented through electromagnetic coupling. Further provided is a measurement method of a coupling-based non-contact type temperature measurement system. The measurement method implements the transfer of a temperature signal in an electromagnetic coupling form, and performs calculation and analysis according to the temperature signal, thereby implementing non-contact type temperature of an object, and is therefore applicable to reliable temperature measurement for internal core wires in high-voltage power cables. | 11-13-2014 |
| 20140355650 | TEMPERATURE MEASUREMENT SYSTEM - A temperature measurement system is disclosed. In accordance with some embodiments of the present disclosure, a temperature measurement system may comprise a resistor, a thermistor, a resistance-to-current converter configured to generate a current signal based on a resistance, an analog-to-digital converter (ADC) configured to receive a first current signal based on the resistor, convert the first current signal into a first digital signal, receive a second current signal based on the thermistor, and convert the second current signal into a second digital signal, and a calculation stage communicatively coupled to an ADC output and configured to determine a first digital value based on the first digital signal, determine a second digital value based on the second digital signal, calculate a resistance ratio based on the first digital value and the second digital value, and determine a temperature output value based on the resistance ratio. | 12-04-2014 |
| 20140355651 | CALIBRATED TEMPERATURE MEASUREMENT SYSTEM - In accordance with some embodiments of the present disclosure, a calibrated temperature measurement system comprises a resistor, a thermistor, a resistance-to-current converter configured to generate a current signal based on a resistance, and an analog-to-digital converter (ADC) configured to receive a first current signal based on the resistor, convert the first current signal into a first digital signal, receive a second current signal based on the thermistor, and convert the second current signal into a second digital signal. A memory may comprise resistor-characterization information. A calculation stage communicatively coupled to an ADC output may be configured to determine a first digital value based on the first digital signal, determine a second digital value based on the second digital signal, calculate a resistance ratio based on the first digital value and the second digital value, and determine a temperature output value based on the resistance ratio and the resistor-characterization information. | 12-04-2014 |
| 20140369385 | APPARATUS AND METHOD FOR ESTIMATING TEMPERATURE OF MOTOR USING HALL SENSOR - The present disclosure relates to an apparatus and method for estimating a temperature of a motor using a Hall sensor. The method includes detecting, at a digital Hall sensor, a position of a rotor included in a motor and outputting an on signal in an operating period and an off signal in a release period according to a relative position of the rotor, calculating, at a temperature determining module, a difference between duration of the operating period and duration of the release period according to an output waveform of the digital Hall sensor, and then determining, at the temperature determining module, a temperature of the motor with reference to a temperature corresponding to the duration difference. Accordingly, it is possible to estimate the internal temperature of a motor without installing a temperature sensor in the motor, to maintain a small size of the motor, and to reduce production costs. | 12-18-2014 |
| 20150023390 | TEMPERATURE TEST UNIT WITH PROCESSOR - A temperature test unit includes two thermometers each having a probe for detecting a temperature at a heat exchanging system, a processing mechanism electrically connected to the thermometers for receiving and processing the temperature readouts, and for obtaining a temperature difference between the temperature readouts, and a displayer device electrically connected to the processing mechanism and having two portions for displaying the temperature readouts of the thermometers, and another portion for displaying the temperature difference between the temperature readouts of the thermometers and for allowing the user to diagnose the problem in the heat exchanging system correctly and instantly. | 01-22-2015 |
| 20150063420 | TEMPERATURE SENSOR EMBEDDED IN PROCESSOR, METHOD OF OPERATING THE SAME, AND DEVICES INCLUDING THE SAME - A temperature sensor, a processor including the same, and a method of operating the same are provided. The temperature sensor includes: a reference circuit configured to receive a supply voltage provided from outside the processor and utilized by a logic block of the processor for operation of the logic block, and generate, using the supply voltage, at least one temperature information signal that varies according to a temperature of the logic block and at least one reference signal that is substantially constant relative to the temperature of the logic block; and a digital temperature generator configured to receive the at least one temperature information signal and the at least one reference signal generated by the reference circuit, and generate a digital temperature information signal indicative of the temperature of the logic block based on the at least one temperature information signal and the at least one reference signal | 03-05-2015 |
| 20150103866 | DIGITAL TEMPERATURE ESTIMATORS (DTEs) DISPOSED IN INTEGRATED CIRCUITS (ICs) FOR ESTIMATING TEMPERATURE WITHIN THE ICs, AND RELATED SYSTEMS AND METHODS - Embodiments disclosed in the detailed description include digital temperature estimators (DTEs) disposed in integrated circuits (ICs) for estimating temperature within the ICs. Related systems and methods are also disclosed. In one embodiment, the DTEs can be used to estimate temperatures in an IC by implementing a temperature estimation model (TEM). The TEM can provide an estimated temperature of an IC block disposed in the IC based on activity event(s) associated with the IC block, as opposed to providing temperature sensors in the IC to measure temperature of the IC block directly. The DTEs can be operated in real time so that power and/or thermal regulation systems of the IC can obtain accurate and reliable temperature estimation from the DTEs. In this manner, thermal dissipation in the IC may be regulated more effectively. | 04-16-2015 |
| 20150110157 | Time-Domain Temperature Sensing System with a Digital Output and Method Thereof - A time-domain temperature sensing system includes a cyclic delay line, a path selection circuit and a counter. The cyclic delay line includes a plurality of logic components connected. The path selection circuit connects with the cyclic delay line and the counter connects with the path selection circuit. The cyclic delay line is operated to sense and convert a temperature into a time pulse to generate a temperature-related time pulse width signal, and the cyclic delay line is further operated to measure the temperature-related time pulse width signal via the path selection circuit. The cyclic delay line is operated to convert the temperature into the time pulse and the counter is further operated to convert the temperature-related time pulse width signal into a digital signal via the path selection circuit, thereby generating a temperature-to-digital signal. | 04-23-2015 |
| 20150300889 | TEMPERATURE SENSOR CIRCUITRY - Temperature sensing circuitry implemented on a semiconductor integrated circuit that senses the temperature at a site, digitizes the sensed temperature, and then outputs a signal representing such a sensed temperature. The temperature sensing circuitry converts a voltage signal that is proportional to the temperature to a frequency-based signal, which is converted to a digital bit value. A scalar factor is applied to another voltage signal that is inversely proportional to the temperature to produce a scaled voltage signal. The scaled voltage signal is converted to a second frequency-based signal, which is converted to a digital bit value, and then the two digital bit values are compared. The temperature is determined when the digital bit values substantially match. | 10-22-2015 |
| 20150333762 | Method For Linearization Of The Output Of An Analog-To-Digital Converter And Measuring Instruments Using Such Method - A method for linearization of the output of an analog-to-digital converter (ADC) is disclosed, the method including the steps of creating an analog ADC input signal by combining a substantially constant voltage to be measured with an analog dithering signal, feeding the analog ADC input signal to the ADC, converting it into a sequence of digital signal values, and using the sequence of digital signal values for calculating a single resulting digital value representing the voltage to be measured, wherein the analog dithering signal is arranged so that the analog ADC input signal fed to the ADC causes the output of the ADC to vary over the full output range of the ADC. | 11-19-2015 |
| 20150355033 | LOW POWER LOW COST TEMPERATURE SENSOR - Systems and methods for sensing temperature on a chip are described herein. In one embodiment, a temperature sensor comprises a first transistor having a gate, a second transistor having a gate coupled to the gate of the first transistor, and a bias circuit configured to bias the gates of the first and second transistors such that the first and second transistors operate in a sub-threshold region, and to generate a current proportional to a difference between a gate-to-source voltage of the first transistor and a gate-to-source voltage of the second transistor. The temperature sensor also comprises an analog-to-digital converter (ADC) configured to convert the current into a digital temperature reading | 12-10-2015 |
| 20150362380 | Temperature Sensor with Layered Architecture - A temperature sensor includes two branches, each branch having at least a first transistor and a second transistor connected as diodes and cascaded, so that an emitter of the first transistor is connected to a collector of the second transistor of the same branch. The temperature source also includes a current source configured to provide a current to the two branches, and an analog-to-digital convertor. The analog-to-digital convertor is connected to capture a voltage between emitters of the first transistors or of the second transistors, and is configured to convert said voltage to a digital temperature signal. | 12-17-2015 |
| 20160003684 | METHOD FOR DISPLAYING DIFFERENT TEMPERATURES BY ELECTRONIC THERMOMETER AND ELECTRONIC THERMOMETER - This invention provides a method for displaying different temperatures by a thermometer and the thermometer. The method includes the following steps of: obtaining a temperature value, determining whether the temperature value is within a first temperature range, if yes, displaying an indicator pointing to a first color mark located outside of a display screen. According to the method for displaying different temperatures by the thermometer and the thermometer in the invention, the use is convenient, the reaction is intuitive, and the manufacturing cost is effectively reduced. | 01-07-2016 |
| 20160033339 | POWER DEVICE TEMPERATURE MONITOR - A power device temperature monitor is provided. The power device temperature monitor includes a power device having a control terminal and an output terminal, where the output terminal is configured to output a current as directed by a voltage of the control terminal. The power device temperature monitor includes an inductor coupled to the output terminal of the power device and an amplifier coupled to the inductor. The power device temperature monitor includes a computing device that receives an output of the amplifier, the computing device is configured to derive a temperature of the power device based upon the output of the amplifier. | 02-04-2016 |
| 20160041042 | SEMICONDUCTOR DEVICE INCLUDING A TEMPERATURE SENSOR CIRCUIT - A semiconductor device including a temperature sensor includes a pull up circuit, a pull down circuit, a first additional current path, and a second additional current path. The pull up circuit is configured to generate a pull up current that contributes to generation of a first output current. The pull down circuit is operably coupled to the pull up circuit at an output node and configured to generate a pull down current that contributes to generation of a second output current. The first additional current path, when enabled, is configured to combine a first additional current with the pull up current to comprise the first output current. The second additional current path, when enabled, is configured to combine a second additional current with the pull down current to comprise the second output current. Respective enablement of the first additional current path and the second additional current path is complementary. | 02-11-2016 |
| 20160047696 | TEMPERATURE SENSOR CIRCUIT - A temperature sensor circuit implemented in electronic circuitry that senses the temperature at a site, digitizes the sensed temperature, and then outputs a signal representing such a sensed temperature. The temperature sensor circuit converts a voltage signal that is proportional to the temperature to a first digital value. The temperature sensor circuit converts a voltage signal that is inversely proportional to the temperature to a second digital value. The sensed temperature is determined as a function of a difference between the first and second digital values. | 02-18-2016 |
| 20160084717 | TEMPERATURE SENSING SYSTEM FOR SWITCHING DEVICE - A temperature sensing system for a switching device is provided The temperature sensing system includes a sensing device that is configured to sense a temperature of the switching device and a signal converter that is configured to output a digital signal having a frequency based on a voltage across the sensing device by a frequency variable method which receives the voltage across the sensing device which is a temperature sensing value when a current flows in the sensing device to convert a level of an analog signal into a frequency of the digital signal. An isolator is configured to be connected to an output terminal of the signal converter to isolate and transmit the digital signal output from the signal converter. The system also includes a controller configured to recognize the temperature from the frequency of the digital signal transmitted through the isolator. | 03-24-2016 |
| 20160138978 | CURRENT-MODE DIGITAL TEMPERATURE SENSOR APPARATUS - Described is a current-mode thermal sensor apparatus which comprises: a first transistor with a gate terminal coupled to a first node; a second transistor with a gate terminal coupled to a second node; a first resistor coupled to the first and second nodes; a second resistor coupled to the first node and a supply node; and a diode coupled to the second node and the supply node. | 05-19-2016 |
| 374171000 | With digital linearizing circuitry | 7 |
| 20100124251 | DIGITAL OUTPUT TEMPERATURE SENSOR - A temperature sensor generates a digital output signal representative of the absolute temperature of the sensor. The sensor includes a first circuit configured to generate a complementary to absolute temperature (CTAT) voltage signal and a second circuit configured to generate a proportional to absolute temperature (PTAT) current signal. A comparator receives the CTAT and PTAT signals and generates a comparison signal based on a comparison between the signals. A converter circuit receives the comparison signal and generates a digital output signal based on the comparison signal. The digital output signal is representative of the temperature of the sensor. | 05-20-2010 |
| 20100202491 | DIGITAL LINEAR HEAT DETECTOR WITH THERMOCOUPLE HEAT CONFIRMATION - The present invention provides a digital linear heat detector with thermocouple heat confirmation. A digital linear heat detector with thermocouple heat confirmation comprises a first conductor and a second conductor, the first conductor composed of a different conductive material than the second conductor. The first and second conductors are then are twisted together to form substantially continuous spring pressure between the first conductor and the second conductor, thereby causing the layers of the non-conductive heat sensitive thermoplastic material to be in contact. The present invention also includes a monitoring circuit that is configured to monitor resistance along the first and second conductors. When the resistance changes along the first and second conductors, the monitor is configured to detect a short and enter a thermocouple mode. By entering the thermocouple mode, the monitoring circuit is able to identify the temperature at the short and determine the type of alarm condition being created by the short based on a predetermined temperature threshold. | 08-12-2010 |
| 20110038396 | TEMPERATURE DETECTING DEVICE AND METHOD - 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 2 | 02-17-2011 |
| 20110243188 | THERMOCOUPLE ELECTROMOTIVE FORCE VOLTAGE TO TEMPERATURE CONVERTER WITH INTEGRATED COLD-JUNCTION COMPENSATION AND LINEARIZATION - A mixed-signal integrated circuit comprises: 1) an analog front end having differential inputs adapted for directly connecting to at least one thermocouple, 2) an analog-to-digital (ADC) for converting the thermocouple voltages to digital representations thereof, 3) a linearization circuit capable of performing the multi-order polynomial equations for converting the thermocouple electromotive voltages (the digital representations) to linear temperature measurement units by using coefficients unique to each type of thermocouple from a coefficients table based upon the National Institute of Standards and Technology (NIST), 4) a integrated temperature sensor for measuring cold junction temperature, 5) optionally, an input multiplexer for selecting each of a plurality of thermocouples for measurement thereof, 6) optionally, registers for storing measured temperature values, high and low set points, alarm limits, etc., and 7) a communications interface for setting parameters and receiving temperature information. | 10-06-2011 |
| 20130208763 | CIRCUIT AND METHOD FOR SENSING A PHYSICAL QUANTITY, AN OSCILLATOR CIRCUIT, A SMARTCARD, AND A TEMPERATURE-SENSING CIRCUIT - A circuit for sensing a physical quantity according to an embodiment of the present invention includes a first oscillator circuit configured to provide a first clock signal including a first frequency depending on the physical quantity, and a second oscillator circuit configured to provide a second clock signal comprising a second frequency depending on the physical quantity. The circuit also includes a frequency comparator circuit configured to provide a frequency signal indicative of the physical quantity, the frequency signal being based on the first and second frequencies, wherein the first and second oscillator circuits are configured to provide the first and second clock signals such that due to a change in the physical quantity one frequency of the first and second frequencies increases, while the other frequency of the first and second frequencies decreases. | 08-15-2013 |
| 20130266041 | PULSE WIDTH MODULATION OUTPUT DIGITAL TEMPERATURE SENSOR DEVICE - In one example, a pulse width modulation output temperature sensor device includes a linearization module, an analog-to-digital converter module operatively connected to the linearization module, and a digital magnitude comparator module operatively connected to the analog-to-digital converter module. A binary counter module is also operatively connected to the digital magnitude comparator module. The pulse width modulation output temperature sensor device thereby generates a digital pulse width modulation output based on a temperature sensor reading. | 10-10-2013 |
| 20130272340 | TEMPERATURE SENSING CIRCUIT - 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. | 10-17-2013 |
