Class 307/651 - Temperature responsive

Subclass of Class 307 - Electrical transmission or interconnection systems
Definition: Subject matter wherein controlling or detecting means comprises
No. of patents: 40
Last issue date: 01/29/2008

Number	Title	Issue Date
7322743	Temperature measurement system and method A temperature measurement system is provided to measure temperatures using temperature sensors. The temperature measurement system may include a controller having a plurality of address lines, a sensor configured to provide a plurality of inputs, and a connector con...	01/29/2008
7255476	On chip temperature measuring and monitoring circuit and method A device temperature measurement circuit, an integrated circuit (IC) including a device temperature measurement circuit, a method of characterizing device temperature and a method of monitoring temperature. The circuit includes a constant current source and a clampi...	08/14/2007
7242323	Electronic device having touch sensor A variable capacitance unit is formed between one portion of a human body and an opposed electrode facing it through a casing of a robot toy (electronic device) when the one portion of the human body such as a hand or a finger approaches the surface of the casing of...	07/10/2007
7180211	Temperature sensor A temperature sensor is comprised of a device adapted to provide a first signal having a parameter responsive to temperature. A generator provides a reference signal having a parameter that is substantially consistent over a preselected temperature range. A comparat...	02/20/2007
7102417	Integrated circuit die including a temperature detection circuit, and system and methods for calibrating the temperature detection circuit An integrated circuit die is disclosed including a temperature detection circuit and a memory configured to store calibration data. The temperature detection circuit is operatively coupled to the memory, and receives an input signal. The temperature detection circui...	09/05/2006
7052180	LED junction temperature tester An instrument measures the LED junction temperature directly by taking advantage of the linear relationship between the forward current driven through the LED, the forward drop of the LED, and the junction temperature to determine the LED junction temperature.	05/30/2006
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 sensing elements and an ADC circuit including a charge-balancing modulato...	11/08/2005
6956411	Constant Rswitch circuit with low distortion and reduction of pedestal errors A low distortion, high frequency switch circuit for selectively coupling an input voltage terminal to an output voltage terminal includes a switching device coupled to the input voltage terminal and the output voltage terminal, a charge storage device, and a first, ...	10/18/2005
6952209	Variable scaled graphical indicator to display dynamic data A graphical indicator to assist a user in adjusting the value of a parameter to a target value. The graphical indicator has target value indicia that represents a target value of the parameter, and measured value indicia that represents a measured value of the param...	10/04/2005
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 calibrated temperature display device connected to a computer which based on ...	06/21/2005
6674185	Temperature sensor circuit having trimming function A temperature sensor circuit includes a temperature detecting circuit, a preset value storing circuit, and a current supplying circuit. The temperature detecting circuit is configured to generate a first temperature voltage in accordance with an ambient t...	01/06/2004
6079121	Humidity-modulated dual-setpoint temperature controller A humidity-modulated dual-setpoint temperature controller is disclosed in which the two setpoints of the temperature controller are adjusted as a function of measured humidity. Parameters other than humidity could also be used to adjust the dual setpoints...	06/27/2000
5955909	Device for monitoring chip temperature A device for monitoring chip temperature of a switch output stage having a switch element (100, 106) that has a first circuit (10) for generating a signal (pvon) corresponding to the dissipated power of the switch element (100-106) during an on...	09/21/1999
5862170	Temperature measurement method using temperature coefficient timing for resistive or capacitive sensors A method and apparatus for temperature measurement especially suited for low cost, low power, moderate accuracy implementation. It uses a sensor whose resistance varies in a known manner, either linearly or nonlinearly, with temperature, and produces a di...	01/19/1999
5796290	Temperature detection method and circuit using MOSFET A temperature detection circuit using a threshold voltage of a MOSFET with a further improved detection characteristic. The circuit has first and second lateral MOSFETs formed in a well region of a conductivity type which is formed on a surface of a semic...	08/18/1998
5760636	Adjusting clock frequency and voltage supplied to a processor in a computer system A method and apparatus for adjusting the clock frequency and voltage supplied to an integrated circuit. First, a signal is sent to the clock, and in response, the clock lowers the clock frequency supplied to the integrated circuit. The clock sends a signa...	06/02/1998
5737852	Dryness control for clothes dryer A dryness control circuit for a household clothes dryer including a power supply circuit and a moisture sensing circuit. The power supply circuit converts high voltage AC power into low voltage, DC power. The low voltage, DC power is supplied to the moist...	04/14/1998
5519354	Integrated circuit temperature sensor with a programmable offset An IC temperature sensor with a programmable offset generates an output voltage Vo over a desired temperature range that is a PTAT voltage VPTAT shifted by an offset voltage Voff. A band gap cell generates a basic PTAT vol...	05/21/1996
5500547	Integrated semiconductor device with temperature sensing circuit and method for operating same A two-way conductive directional circuit formed in a polycrystalline silicon layer separated by an insulation film from a semiconductive element is one-way biased for sensing a temperature of the semiconductive element. The directional circuit may be prov...	03/19/1996
5367265	Moisture-sensing controller for a clothes dryer A moisture-sensing circuit for a clothes dryer separates the moisture-sensing and timing functions in a way that minimizes undesirable interaction and reduces effects of tolerances in components, temperature, and supply-voltage. Separate comparators are p...	11/22/1994
5359234	Circuit and method of sensing process and temperature variation in an integrated circuit A voltage controlled oscillator runs at full speed to generate an output frequency dependent on temperature and process variation. First and second clock signals are generated from the oscillator signal, while third and fourth clock signals are developed ...	10/25/1994
4591743	Temperature compensated current sensing circuit A metal resistor having a positive temperature coefficient of resistance is connected to a current source to develop a voltage drop that acts as an offset for a ƊVBE differential amplifier. Since this offset voltage has a positive temperature ...	05/27/1986
4546320	Total temperature probe buffer amplifier The elimination of undesirable thermally induced changes of electrical characteristics of signal components is accomplished three operational amplifier circuits. The first operational amplifier provides electrical power to a system critical component and ...	10/08/1985
4516054	Lamp protection arrangement A light bulb protection arrangement including a lamp, a socket, and a junction socket having a base portion and a socket portion so as to attach the light bulb to the socket. The junction socket includes a connecting terminal, a first terminal to be conne...	05/07/1985
4492933	Temperature compensation circuit for oscillator with parabolic characteristic An improved temperature compensation circuit for an oscillator circuit having a frequency response that is parabolic with respect to temperature, including a time dependent ramp signal, an AC integrator for converting the ramp signal to single-sided parab...	01/08/1985
4463274	Temperature compensation circuit for pressure sensor A circuit is disclosed for temperature compensating the output voltage thereof with respect to undesireable temperature induced signals from a pressure transducer and/or the circuit itself. The circuit comprises a pressure transducer, two operational ampl...	07/31/1984
4422066	Condition sensor interface means Two condition sensors of two entirely different types are selected and monitored by a single condition sensor interface means. The interface means provides for selection of the sensor to be activated, or can be operated in a mode to repetitively sample bo...	12/20/1983
4331888	Temperature detecting apparatus A temperature detecting apparatus having a first transistor connected in diode configuration or a first diode, with its forward current set in certain value. A second transistor has similar electrical characteristics as the first transistor or the first d...	05/25/1982
4326171	Temperature compensating pressure sensor amplifier circuits An amplifier circuit is disclosed for temperature compensating the output voltage thereof with respect to undesirable temperature induced signals from a silicon pressure transducer and/or from components of the amplifier itself. The amplifier includes a f...	04/20/1982
4283638	Field effect transistor switched temperature control circuit Two field effect transistor device means are utilized in conjunction with a special type of transformer having a low impedance primary winding and a high impedance primary winding to energize a secondary circuit to supply power for operating the electroni...	08/11/1981
4267468	Temperature sensing circuit An improved temperature sensing circuit as disclosed in which the voltage drop across a thermistor is compared to the voltage drop across a capacitor to produce a linear output proportional to temperature....	05/12/1981
4237420	Temperature sensing circuit A circuit for producing a digital output varying linearly with temperature changes by measuring the width of a pulse from a monostable multivibrator, in which the pulse is measured more than twice in succession and the results added. A greater change in t...	12/02/1980
4190804	Signal-conditioning circuits A signal-conditioning circuit for use in conjunction with transducers measuring simultaneously steady state and fluctuating parameters, e.g. pressure. The circuit comprises low-pass filtering means, preferably comprising an active filter, for removing the...	02/26/1980
4146803	Fire-responsive control device utilizing thyristors In a thyristor fire-responsive control device including a fire detector which has a thyristor as output switching means, a control circuit is responsive to the detector. A controlled apparatus is responsive to the detector through the control circuit for ...	03/27/1979
4117670	Dual slope temperature differential shutdown control for gas turbines The inlet air temperature and the exhaust gas temperature of a gas turbine power plant are monitored and are utilized as a determining characteristic in a power output stabilization control circuit. The control circuit is designed to change its response u...	10/03/1978
4117355	Temperature independent trigger pulse analysis circuit To obtain input signals as a function of various types of input signals, R/C circuits are used to charge or discharge a capacitor, the charge state of which is sensed by a threshold stage. To render such circuits essentially independent of temperature cha...	09/26/1978
4079331	Amplifier system with special feedback circuits A condition responsive element, disclosed as a negative temperature coefficient thermistor, operates in conjunction with a bridge circuit to provide a differential input to a special direct current amplifier system. The amplifier system utilizes a combina...	03/14/1978
4041396	Environmentally sensitive transmit power maximizing circuitry and method In a transmitter designed for periods of extended use, means for sensing the ambient temperature in which the transmitter would operate if activated and adjusting the initial output power of the transmitter so as to reduce the initial output power of the ...	08/09/1977
4007425	Temperature sensor using pulse width modulator for duty cycle control The temperature controller senses the temperature unbalance and converts s into a DC voltage which is compared with an oscillator by a pulse width modulator. The output of pulse width modulator controls the duty cycle of a heater....	02/08/1977
3988682	Voltage ramp temperature controller A temperature control circuitry for use in detecting the temperature of a vice and providing a programming voltage output for controlling a heating apparatus to vary the temperature of the device. The circuitry utilizes a thermocouple as a sensing element...	10/26/1976

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Class 307/651 - Temperature responsive