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7581881 Temperature sensor using ring oscillator and temperature detection method using the same  
Provided are a temperature sensor using a ring oscillator and temperature detection method using the same. One embodiment of the temperature sensor includes a first pulse generator, a second pulse...
7556423 Temperature sensor bow compensation  
The output of a solid-state temperature sensor is the ratio of a voltage proportional to a reference voltage. The solid-state temperature sensor used diodes in its sensing and reference circuits,...
7549792 Electronic thermometer with selectable modes  
An electronic thermometer is configured for selectable predictive modes based upon the same predictive algorithm. A mode selector is adapted for user selection between several modes of operation of...
7549796 Digital temperature detection circuit adapted for use with semiconductor device  
A digital temperature detection circuit adapted for use with a semiconductor device is disclosed. The digital temperature detection circuit comprises a digital temperature generation unit adapted...
7545228 Dynamic temperature compensation for a digitally controlled oscillator using dual MEMS resonators  
A method for generating a temperature-compensated timing signal that includes counting, within an update interval, a first number of oscillations of a first micro-electromechanical (MEMS)...
7524108 Thermal sensing circuits using bandgap voltage reference generators without trimming circuitry  
Methods, systems and thermal sensing apparatus are provided that use bandgap voltage reference generators that do not use trimming circuitry. Further, circuits, systems, and methods in accordance...
7467059 Extended thermal management  
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...
7455452 Temperature sensor capable of controlling sensing temperature  
A temperature sensor includes a reference voltage generator, a sensing temperature controller and a first differential amplifier. The reference voltage generator generates a reference voltage...
7441949 System and method for providing temperature data from a memory device having a temperature sensor  
A circuit and method for providing temperature data indicative of a temperature measured by a temperature sensor. The circuit is coupled to the temperature sensor and configured to identify for a...
7433790 Automatic reference voltage trimming technique  
In one set of embodiments, trimming of a reference, which may be a bandgap reference and which is configured on an integrated circuit, may be controlled by an algorithm executed by logic circuitry...
7421850 Refrigeration system and method of operating the same  
A refrigeration system including an evaporator, a suction header in fluid communication with the evaporator, a compressor in fluid communication with the suction header, and a condenser in fluid...
7413343 Apparatus for determining a temperature sensing element  
An apparatus and method measure a temperature of a temperature sensing element having a temperature dependent resistance based on a ratio of discharge times of a capacitor through a reference...
7331708 Frequency ratio digitizing temperature sensor with linearity correction  
A frequency ratio digitizing temperature sensor for generating a linearity-corrected temperature output signal includes an input generation circuit receiving a PTAT current and a CTAT current and a...
7259686 Two wire temperature transmitter  
A thermoelectric connector module (C) is disclosed which comprises input ( 2 ) and output ( 1 E) connectors and contains signal conditioning circuitry ( 1 C). The input connectors ( 2 ) are...
6962436 Digitizing temperature measurement system and method of operation  
A digitizing temperature measurement system for providing a digital temperature measurement includes an excitation source for providing switched excitation currents to two or three temperature...
6908224 Temperature sensor pre-calibration method and apparatus  
A centrifuge temperature pre-calibration apparatus including a memory storage device having correction coefficients for temperature, a controller, an un-calibrated temperature sensor and a...
6893154 Integrated temperature sensor  
An apparatus and method are provided for sensing a physical stimulus of an integrated circuit. The apparatus and method allow for accurate die temperature measurements of the integrated circuit and...
6874933 Apparatus for digital temperature measurement in an integrated circuit  
A circuit for measuring temperature with all digital components in an integrated circuit. During manufacture, the number of clock period cycles during a known period of time at a predetermined...
6869216 Digitizing temperature measurement system  
A digitizing temperature measurement system for providing a digital temperature measurement includes an excitation source for providing switched excitation currents to two or three temperature...
6695475 Temperature sensing circuit and method  
A method and circuit are disclosed for measuring temperature. An exemplary embodiment of the present invention includes a first oscillator circuit that generates a first signal having a frequency...
6390672 Space vehicle with temperature sensitive oscillator and associated method of sensing temperature in space  
A space vehicle includes a temperature sensitive oscillator carried by a housing. The temperature sensitive oscillator includes a radiation hardened inverting gain circuit, such as a comparator,...
6232618 Sensor with temperature-dependent measuring resistor and its use for temperature measurement  
A temperature-dependent measuring resistor is connected to a reference resistor in series, wherein this series connection is flowed through by a constant impressed current. A connection point...
6115441 Temperature detector systems and methods  
A temperature detector comprising temperature sensing circuitry, calibration circuitry, and power regular circuitry. The temperature sensing circuitry has an output that varies with temperature to...
6074089 Thermoelectric product and method  
A thermoelectric cold junction compensator connector module, for use with a thermoelectric device such as a thermistor, thermocouple, or resistance-temperature device, has within a housing a cold...
5899570 Time-based temperature sensor system and method therefor  
A time-based digital temperature sensing system has a first oscillator which is temperature sensitive. The first oscillator has a temperature coefficient which allows the first oscillator to...
5775811 Temperature sensor system using a micro-crystalline semiconductor thin film  
A temperature sensor which can achieve accurate temperature measurement in a magnetic field and accurate temperature measurement over a broader temperature range and, further, provides a...
5453682 Wide-range thermistor meter  
A meter measures a voltage across a quasi-diode, the voltage caused by a current flowing through a resistance which changes substantially exponentially with changes in a medium being sensed. The...
5381954 Temperature control apparatus  
A temperature control apparatus and method which utilizes a characteristic of a temperature detection device which detects temperature over a wide range of changing temperature and makes it...
5295746 High resolution digital thermometer  
A high resolution digital thermometer capable of measuring temperature differences on the order of several micro-degrees centigrade. The device includes a bridge circuit having two thermistors in...
4958936 Electric thermometer  
An electronic thermometer includes a temperature sensing assembly incorporating a temperature sensor element, and a measuring and processing unit for determining and displaying the temperature,...
4844623 Electronic thermometer  
An electronic thermometer includes: an oscillator capable of changing from a connection between a reference and a capacitor and a resistance bulb and the capacitor. A counter is used for counting...
4838707 Electronic Thermometer  
An electronic thermometer is provided in which the number of pulses counted in a first count and the number of pulses counted in a second count are respectively proportional to the resistance of a...
4794803 Decompression and air consumption computer  
An improved SCUBA diving gauge. A pictograph display is provided which has a shape which conveys the type of information being displayed. The pictograph has the shape of a SCUBA tank for a tank...
4602871 Thermistor thermometer  
A thermistor thermometer has a reference resistance correcting section for controlling the number of pulses of an oscillation signal to a predetermined reference value. The oscillation signal is...
4559954 Electronic clinical thermometer  
An electronic clinical thermometer which uses a small quantity of corrective data for correcting a non-linear output into a linear output to produce a correct temperature reading, and which...
4531842 Disposable thermometer probe and rating technique therefor  
A method and an apparatus for rating a thermometer probe, wherein the thermometer probe includes a small thermistor sensing element and a pair of conductors connected with the thermistor contacts...
4459467 Temperature controlled oven with multiple preset temperatures  
A controlled temperature oven provided with a pyrometer having a temperature sensitive resistance, an electrical heating element, a nonlinear heat sensing element within the oven chamber, and a...
4443117 Measuring apparatus, method of manufacture thereof, and method of writing data into same  
A measuring apparatus is equipped with an input/output unit for delivering data to externally located equipment and for receiving data from the externally located equipment, or with an input unit...
4303984 Sensor output correction circuit  
A sensor correction circuit uses a programmable read only memory (PROM) for storing characterizing information for an associated sensor or transducer. The information is stored in the 1×2048 bit...
4300199 Thermostat  
A programmable thermostat features a memory unit receptive of unit values of temperature desired at different times on different days all individually or in various combinations both as to days and...
4296632 Temperature-to-frequency conversion apparatus  
A temperature-to-frequency converter circuit of the type utilizing a pair of threshold switches connected across a timing capacitor for controlling a circuit output voltage to higher and lower...
4210024 Temperature measurement apparatus  
A temperature measurement apparatus comprising a temperature sensitive device such as thermistor and a reference resistor of small temperature coefficient of resistance, which are alternatively...
4206648 Impedance measuring circuit  
An improved circuit for measuring resistance, as for the resistance of a temperature sensor, wherein the resistance varies over a wide dynamic range. The circuit provides two switch means to charge...
4179745 Thermocouple linearizer circuit  
A thermocouple linearizer circuit for use in a device for digitally displaying the temperature of a thermocouple. The circuit includes a plurality of proportional correction means, each connected...
4169380 Electronic circuit arrangement  
A display device has its input information subject to a non-linear processing in order to compensate for the non-linearity of a sensor or in order to enhance the display. The input is periodically...
4161880 Linearized digital thermometer  
A digital thermometer uses a microprocessor computer containing stored information relating to the response characteristics of a transducer to supply a measurement of temperature. The transducer is...
4147061 Thermocouple reference junction calibrator  
Apparatus is disclosed which provides an improved means of measuring the operating characteristics of a multiplicity of thermocouple reference junctions. The apparatus allows accurate sensing of...
4132116 Method for linearizing the characteristic curve of an electronic component and an apparatus for implementing the same  
A method for linearizing the exponential characteristic curve of an electronic component, in particular the temperature/resistance characteristic of a thermistor is provided. The output value of...
4122719 System for accurate measurement of temperature  
An improved system for accurately measuring temperature. The system is microprocessor based and automatically compensates for errors from such elements as cable resistance, drift and aging of the...
4121461 Electronic temperature sensor  
An electronic temperature sensor utilizing monolithic charge transfer circuitry is disclosed. A first charge transfer circuit supplies a charge storage element with N 1 first charge packets, N 1 ...
Matches 1 - 50 out of 66 1 2 >