Abstract: 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.

Abstract: 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.

Abstract: Some embodiments include apparatus and methods having a first switch, a second switch, and a circuit coupled to the first and second switches. The first switch may be configured to switch between an on-state and an off-state based on a value of a first current flowing through a number of resistors and a diode coupled in series with the resistors. The second switch may be configured to switch between the on-state and the off-state based on a value of a second current on a circuit path. The second current is a function of a voltage at a node between two of the resistors and a resistance of the circuit path. The circuit may be configured to provide a temperature reading based on the number of times the first switch or the second switch switches between the on-state and the off-state during a time interval.

Abstract: 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.

Abstract: An input device for triggering a function of an electronic device comprises a temperature sensor (12), and a control unit (11). The control unit (11) analyzes a temperature signal (T) supplied by the temperature sensor (12) and provides a trigger signal (C) subject to the analysis of the temperature signal (T) for triggering the function of the electronic device (3). In such way, the function of the electronic device can simply be controlled by blowing at the input device (1).

Abstract: 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.

Abstract: The invention provides for highly accurate body temperature measurement by use of a temperature-dependent resistor such as an RTD or thermistor of minimal thermal mass, in thermal contact with an easy-to-access body location such as the earlobe. This resistance is connected as one leg of a Wheatstone Bridge and hence to an instrumentation amplifier and A-D circuit. Datalogging is provided as well as wireless transmission means allowing for remote data display and analysis.

Abstract: A method for modeling the performance of a laterally diffused metal oxide semiconductor (LDMOS) device across a wide temperature range is disclosed. The method comprises the steps of positioning the device in an environment chamber operable to create a plurality of environment temperatures; connecting the pins of the device to a measurement system operable to measure at least one device characteristic; operating the environment chamber to set a series of four environment temperatures, acquiring a value of the device characteristic from the measurement system at each temperature, and extracting a temperature parameter set based on the value of the device characteristic at each temperature, then generating a temperature-scaling model for the device.

Abstract: A method for managing thermal condition of a thermal zone that includes multiple thermally controllable components include determining thermal relationship between the components and reducing temperature of a first component by reducing thermal dissipation of a second component.

Abstract: 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.

Abstract: A sensor control circuit for controlling a sensor unit for measuring a physical value includes a timing controller which selects periodically one or more sensor units among multiple sensor units and converts an output signal from the sensor unit to a continuous serial input signal, an oscillator which receives the serial input signal input by the controller and outputs a frequency signal corresponding to the output signal detected by the sensor unit, a counter which counts for a predetermined duration a number of pulses of the frequency signal output from the oscillator, a data converter which converts the number of pulses to voltage data and outputs the data, and an RLC selector which inputs to the converter information indicating a characteristic value on which the number of pulses is based. The characteristic value is resistance, inductance or electrostatic capacitance. The sensor units measure physical values, respectively.

Abstract: The invention relates to an integrated temperature sensor (1) comprising: means (2000) for generating a pulse train (DATA_IN) at an oscillation frequency, means (3000) for counting the number of pulses during a fixed period of time independent of a temperature to be measured (T) and for generating a plurality of bits (b11, b10, . . . , b0) indicating the number of pulses in the pulse train (DATA_IN), and means (4000) for generating a serial digital signal (DATA_OUT) from said bits (b11, b10, . . . , b0), in which the means (2000) for generating a pulse train (DATA_IN) include a plurality of logic gates (2410, 2420, 2430, 2440, 2450) which can introduce a delay dependent on the temperature to be measured (T), said means (2000) generating a pulse train (DATA_IN) the oscillation frequency of which is dependent on said temperature to be measured (T). The invention also relates to a temperature measurement method and to a transponder for a wireless system.

Abstract: A method and apparatus for determining a temperature of a semiconductor device is provided herein. One aspect of the disclosed subject matter is seen in a temperature sensing device. The temperature sensing device comprises a diode and a circuit. The diode is adapted to be reverse biased by a charging voltage applied thereto. The circuit determines a temperature of the diode based on a rate that the voltage on the diode discharges in response to the charging voltage being uncoupled from the diode.

Abstract: A measuring apparatus for an ear thermometer includes a battery, a mode switching circuit and a microcontroller, and the microcontroller, during a run mode or a normal operating state, does not pass battery current to the mode switching circuit in order that the insertion of the mode switching circuit causes no substantial change in power consumption so as to suppress a power consumption of the apparatus and extend the power of the battery.

Abstract: A system and a method for measuring temperature within an operating circuit use a Wheatstone bridge within a temperature sensing circuit. One of the resistors in the Wheatstone bridge is a thermally sensitive resistive material layer within the operating circuit. The other three resistors are thermally isolated from the operating circuit. Particular configurations of NFET and PFET devices are used to provide enhanced measurement sensitivity within the temperature sensing circuit that includes the Wheatstone bridge.

Abstract: An electronic clinical thermometer for connecting to an electronic device includes a sensing portion comprising and a controlling portion. The sensing portion includes a first audio connecting member and the controlling portion includes a second audio connecting member. The second audio connecting member is assembled with the first audio connecting member to connect the sensing portion and the controlling portion. Thereby, the second audio connecting member is used for connecting to the electronic device and achieving bidirectional communication when the first audio connecting member and the second audio connecting member are separated.

Abstract: An temperature sensor circuit is disclosed. In one embodiment, the temperature sensor comprises an input circuit with a current mirror for forcing a current down a reference stage and an output stage. The reference stage and the output stage include P-N junctions (e.g., using bipolar transistors) with differing junction potentials. By tailoring the resistances in the reference and output stages, the input circuit produces two output voltages, one of which varies predictably with temperature, and one which is stable with temperature. The input circuit is preferably used in conjunction with an amplifier stage which preferably receives both the temperature-sensitive and non-temperature-sensitive outputs. Through various resistor configurations in the amplifier stage, the output of the temperature sensor can be made to vary at a higher sensitivity than produced by the temperature-sensitive output of the input circuit.

Abstract: 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.

Abstract: 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.

Abstract: Circuitry for measuring and/or monitoring device temperature may include a first node coupled to ground, and a second node and a first resistor coupled in series to ground and in parallel to the first node. A first current driven to the first node and a second current driven to the second node can be selected such that a first voltage measured at the first node and a second voltage measured at the second node are substantially equal. The circuitry may also include a third node and a second resistor coupled in series to ground. A third current driven to the third node can be selected such that a third voltage measured at the third node is substantially equal to a reference voltage. Measures of the second and third currents and measures of the first and second resistors can be used to determine device temperature.

Abstract: 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.

Abstract: A medical measurement device, such as an electronic thermometer, having a probe. The probe includes a molded plastic substrate having a conductive circuit pattern formed directly on its surface. The circuit pattern extends at least from a first end margin of the molded plastic substrate to a second end margin opposite the first. The device also includes a sensor mounted on the molded plastic substrate for detecting a physiological parameter, such as temperature. The sensor is positioned on the molded plastic substrate at the first end margin by at least one positioning element integrally formed in the substrate. The conductive circuit pattern provides an electrical connection between the sensor and a processor.

Abstract: 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.

Abstract: The present invention is a bearing thermometer system that includes a plurality of temperature displays that provide a digital indication of a current temperature reading of one or more bearings associated with a piece of bearing related equipment that is typically agricultural equipment. The bearing thermometer system also includes a plurality of digital thermometers that digitally indicate on the temperature display the current temperature of the one or more bearings and a plurality of wire leads that are secured to the one or more bearings and the digital thermometers and the temperature displays wire leads that place the one or more bearings in communication with the digital thermometers and the temperature displays.

Abstract: The present invention provides an ear thermometer that irradiates liquid crystal with backlight without increasing a battery capacity, to make a body temperature displayed with the liquid crystal easily visible even in a dark place. An MCU 1 displays a body temperature measured by a body temperature measuring part (3) on a liquid crystal display part (5), controls, through input/output ports (P1, P2), a backlight emitting part (7) in such a way that the light quantity of the backlight irradiating the liquid crystal display part (5) from the backlight emitting part (7) is maximized for a first predetermined time, controls the backlight emitting part (7) in such a way that the quantity of the backlight keeps, for a second predetermined time that follows the first predetermined time, a predetermined level that is lower than the maximum, and controls the backlight emitting part (7) in such a way that the quantity of the backlight is zeroed after the second predetermined time elapses.

Abstract: Described is a method and apparatus for compensating for a change in an output characteristic of a temperature sensor due to varying temperature. The temperature sensor includes a temperature sensing core, an analog-to-digital converter, a counter, and a temperature compensating circuit. The temperature sensing core generates a sense voltage corresponding to a sensed temperature. The analog-to-digital converter converts the sense voltage into a digital signal and generates a conversion signal. The temperature compensating circuit generates a counter clock signal that varies according to a temperature change. The counter counts the number of pulses of the counter clock signal according to the conversion signal.

Abstract: Mechanisms for providing linear relationship between temperatures and digital codes are disclosed. In one method, at a particular temperature, a circuit in the sensor provides a temperature dependent reference voltage, and a compared voltage, to a comparator. The temperature dependent reference voltage depends on temperature in complement to absolute temperature or alternatively depends on temperature in proportion to absolute temperature. The compared voltage is generated corresponding to digital analog converter (DAC) codes as inputs. Another circuit varies the DAC codes until the temperature dependent reference voltage and the compared voltage are equal so that the dependent reference voltage corresponds to a DAC code. The various temperatures experienced by the temperature sensing circuit and the DAC codes are substantially linearly related.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method for calibrating a temperature sensor comprises: receiving first and second reference voltages from respective first and second tap points within a string of sequentially connected resistive devices of the temperature sensor. Each resistive device has a resistance that varies as a function of temperature. The receiving is performed at two or more known temperatures. A respective code is output corresponding to each respective one of the two or more known temperatures, based on the first and second reference voltages. At least one of the tap points is adjusted, based on the two or more known temperatures and the respective output codes.

Abstract: Provided is a temperature detection system which is low in cost. The temperature detection system includes a plurality of temperature detection ICs (10) for detecting an abnormal temperature and a resistor (20). Each of the plurality of temperature detection ICs (10) includes a reference voltage terminal connected to an output terminal of one of the plurality of temperature detection ICs (10) located at a preceding stage. The resistor (20) is provided between an output terminal of one of the plurality of temperature detection ICs (10) located at the final stage and a ground terminal.

Abstract: 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.

Abstract: 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.

Abstract: A method for determining a temperature of a vibrating sensor component (204A, 205A, 205?A) coupled to a conduit (203A, 203B) of a vibrating meter (200) is provided. The method comprises a step of supplying the vibrating sensor component (204A, 205A, 205?A) with a temperature determination signal (313). The method also comprises a step of measuring a resulting signal (314). The method further comprises a step of determining a temperature of the sensor component (204A, 205A, 205?A) based on the temperature determination signal (313) and the resulting signal (314).

Abstract: An apparatus and method are disclosed for temperature measurement that includes performing a first ?Vbe measurement of a first temperature of a diode circuit comprising a transistor and, subsequently, performing a first Vbe measurement of a second temperature of the diode circuit. A temperature difference is calculated between the second temperature and the first temperature. If the temperature difference is not greater than a predetermined amount, a second Vbe measurement of a third temperature of the diode circuit is subsequently performed. If the temperature difference is greater than the predetermined amount, a second ?Vbe measurement of the second temperature of the diode circuit is performed.

Abstract: A fully on-chip temperature, process, and voltage sensor includes a voltage sensor, a process sensor and a temperature sensor. The temperature sensor includes a bias current generator, a ring oscillator, a fixed pulse generator, an AND gate, and a first counter. The bias current generator generates an output current related to temperature according to the operating voltage of chip. The ring oscillator generates an oscillation signal according to the output current. The fixed pulse generator generates a fixed pulse signal. The AND gate is connected to the ring oscillator and the fixed pulse generator for performing a logic AND operation on the oscillation signal and the fixed pulse signal, and generating a temperature sensor signal.

Abstract: A device includes a current source circuit to separately provide a first current and a second current and a thermal detection device coupleable to the output of the current source circuit. The device further includes a voltage detection circuit to provide a first indicator of a first voltage representative of a voltage at the thermal detection device in response to the second current and a second indicator of a second voltage representative of a voltage difference between the voltage at the thermal detection device in response to the second current and a voltage at the voltage detection device in response to the first current. The device further includes a temperature detection circuit to provide an over-temperature indicator based on the first indicator and the second indicator, wherein an operation of a circuit component of the device can be adjusted based on the over-temperature indicator.

Abstract: 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.

Abstract: 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 (10) in accordance with the present invention includes (I) a non-metal part (11) and (II) a metal part (14) covering a covered region (11b) provided on a surface of the non-metal part (11). The covered region (11b) and the metal part (14) are combined together via an adhesive layer (12) provided by curing an ultraviolet anaerobic curing adhesive containing a photopolymerization initiator and organic peroxide.

Abstract: 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.

Abstract: A temperature sensor includes a compare subject voltage output unit, a temperature range decision unit, and a temperature signal output unit. The compare subject voltage output unit is configured to output a reference voltage having a constant value irrespective of a change of an external temperature and a third temperature voltage that decreases in response to an increase of an external temperature. The temperature range decision unit is configured to compare the reference voltage and the third temperature voltage, and output an enable signal, to indicate whether the external temperature is different from a normal temperature. The temperature signal output unit is configured to output a specific one of a plurality of high temperature signals or a specific one of a plurality of low temperature signals, to indicate a range of the external temperature, in response to the enable signal.

Abstract: A signal processing device is provided including: an alternating voltage generation section that generates a square shaped alternating voltage from plural direct voltages, and applies the square shaped alternating voltage to a sensor that is either a temperature detection sensor or a humidity detection sensor; a current-voltage conversion section that converts current of an output signal output from the sensor to an analog voltage; a selector section that selects a range of the current convertible by the current-voltage conversion section from one or other of plural current ranges; and a resistance value computation section that computes the resistance value of the sensor, based on the voltage value of the analog voltage converted by the current-voltage conversion section, the range of current convertible by the current-voltage conversion section, and the voltage value of the voltage generated by the alternating voltage generation section.

Abstract: 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.

Abstract: 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.

Abstract: Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an action according to the measured value of the parameters. A sensor fitted on the support structures uses a special geometry for acquiring continuous and undisturbed data on the physiology of the body. Signals are transmitted to a remote station by wireless transmission such as by electromagnetic waves, radio waves, infrared, sound and the like or by being reported locally by audio or visual transmission. The physical and chemical parameters include brain function, metabolic function, hydrodynamic function, hydration status, levels of chemical compounds in the blood, and the like. The support structure includes patches, clips, eyeglasses, head mounted gear and the like, containing passive or active sensors positioned at the end of the tunnel with sensing systems positioned on and accessing a physiologic tunnel.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.