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Patent Searching and Data


Matches 201 - 250 out of 1,222

Document Document Title
WO/2004/046673A1
A method in which thermal mass and manufacturing differences are compensated for in thermometry probes by storing characteristic data relating to individual probes into an EEPROM for each probe which is used by the temperature apparatus.  
WO/2004/045656A2
The invention relates to a method and device for controlling or validating sterilisation cycles with the aid of a self-calibrating detection system. The inventive method is carried out with the aid of a sterilisation device for acquiring...  
WO/2004/040104A1
The invention relates to a method for testing at least three sensors (191, 192, 193, 194, 195), which detect a measurable variable for an internal combustion engine (100). A measurement for the sensor signal (S1, S2, S3, S4, S5) of the r...  
WO/2004/027360A1
Apparatus and a method for radiometric temperature measurement comprises a radiometer receiver coupled to an antenna/calibration switch (14) that has coupled thereto a brightness temperature signal. A driver (20) coupled to the antenna/c...  
WO/2004/015383A1
The present invention is based on the fact that measurements carried out by means of SAW sensors (10), e.g. determined absolute distances between a reflector (16) and another reflector (16) or between a reflector (16) and an interdigital...  
WO/2004/011897A1
The present invention provides a method and system for the automated collection and storage of calibration data over the entire spectral, power and temperature range of an optical function system. The optical function system includes an ...  
WO/2004/005858A1
Disclosed is a transmitter which achieves a permanently high security standard in an inexpensive manner. The inventive transmitter comprises a set of identically built sensors (1, 21, 23) for measuring a physical parameter, a set of elec...  
WO2003078947A3
Temperature sensitive, water soluble polymers are disclosed, together with a method for control the LCST of the polymer. The polymers include hydrophilic components and hydrophobic components joined by linking groups such as ester or ami...  
WO/2003/102522A1
The invention relates to a system and method for the optical calibration of the temperature of a micro-environment. The system comprises a thermochromic liquid crystal (3) in combination with a luminophore (2). The steps of the method co...  
WO/2003/098176A1
A method and apparatus for calibrating a Distributed Temperature Sensing (DTS) system. One or more discrete temperature sensors are positioned adjacent to a DTS fiber to calibrate data generated from DTS fiber. The discrete temperature s...  
WO/2003/095959A1
A liquid-in-stem thermometer comprising a stem and/or an envelope having a capillary bore extending along the length of the stem/envelopes, a bulb disposed at one end of the stem/envelope and in fluid communication with the said bore, a ...  
WO/2003/078948A1
A temperature measuring device that allows even old persons, babies and little children or infants to obtain a correct clinical temperature value and that can be constructed as a disposable type as the need arises and makes correct tempe...  
WO/2003/078947A2
Temperature sensitive, water soluble polymers are disclosed, together with a method for control the LCST of the polymer. The polymers include hydrophilic components and hydrophobic components joined by linking groups such as ester or ami...  
WO/2003/002966A1
An electronic thermometer that reduces patient exposure to all sources of cross-contamination, aids in infection control, and provides a clean, uncontaminated, readily accessible source of probe covers. A probe assembly for an electronic...  
WO/2002/073146A1
The invention relates to a device and to a method for monitoring a sensor of an exhaust gas aftertreatment system, especially a temperature sensor. In defined operational states a first signal of the first sensor to be monitored is compa...  
WO/2002/050502A1
A method capable of easily performing magnetic field calibration of a thermometer having magnetic field dependence. The temperature dependence of a physical quantity of a substance having a physical quantity which is independent on a mag...  
WO/2002/029236A1
Systems and methods for discriminating between an EGR temperature sensor (51) fault and actual EGR temperatures which produce similar signals includes suppressing high voltage faults for a calibratible period of time after the engine (12...  
WO/2001/035065A1
A method for testing the performance and/or adjustment of a temperature sensor (exhaust gas temperature sensor), arranged in the exhaust of an internal combustion engine of a motor vehicle is characterised by the following steps: after a...  
WO/2001/023852A1
A two-wire temperature transmitter (12, 40, 50) performs thermocouple diagnostics on a thermocouple (32) attached to the transmitter (12, 40, 50) to determine if, and the extent to which, the thermocouple (32) has degraded. Various metho...  
WO/2001/018512A1
Apparatus, specifically a circuit (100, 200), for a highly accurate, low cost temperature sensor, particularly one using silicon thermometry and which can be implemented by an application specific integrated circuit, that also possesses ...  
WO/2001/011326A1
The invention relates to a method for conducting reference measurements of temperatures. A first pair (D1) of serially connected temperature resistor sensors (1) and (2) correlating with an associated temperature value of the resistor TC...  
WO/2001/006574A1
A self-diagnostic thermocouple (10) having a first (12), a second (14) and a reference (16) thermoelement enclosed in a sheath (20) filled with an insulator (18) separating the thermoelectric elements from each other and the sheath. The ...  
WO/2001/001213A1
Process device diagnostic is provided for diagnosing the condition of a process by receiving a process variable sensor signal (146). The process variable sensor (138) senses vibration noise signals (132) carried in a process fluid of the...  
WO/2000/073754A1
A low cost temperature sensing device using a single p-n junction as the temperature sensing element and incorporating non-volatile memory for storing the calibration data along with the sensor element. The non-volatile memory enables th...  
WO/2000/066990A1
An apparatus for calibration of temperature sensors, comprising a cavity (2) for receiving a sensor (10) to be calibrated, a heat-transferring medium (5) for surrounding the sensor in the cavity, and a means for heating/cooling of the me...  
WO/2000/040939A1
Temperature calibration apparatus (1) is provided for calibrating a plurality of different types of temperature sensors. A body (2) has a well (4). A plurality of inserts is provided, each of which can be inserted into the well (4) to ad...  
WO/2000/023776A1
A transmitter (40) in a process control system (2) includes a resistance-based sensor (10) sensing a process variable and providing a sensor output. Self heating circuitry coupled to the sensor (10) provides a self heating signal related...  
WO/2000/009976A1
A technique and system for tuning temperature sensor readings in a thermal processing chamber includes determining an actual temperature profile for a substrate based on measurements of the substrate. A simulated temperature profile for ...  
WO/2000/006981A1
The invention relates to a method or device for calibrating temperature measurements that are carried out using at least one first radiation detector in order to measure one heat radiation emitted by at least one substrate. Said method c...  
WO/1999/060355A1
A thermometer stem (6) is inserted into a thermally controlled receptacle (2) housed by the calibrator to bring the thermometer to a calibration temperature. A socket (3) in the housing (1) engages and holds the adjustment nut of the the...  
WO/1999/049369A1
A device (40) in the process control system (2) includes a sensor input receiving a sensor signal. The sensor signal comprises a process variable signal and a residual sensor signal related to sensor operation. Diagnostic circuitry (12) ...  
WO/1999/004231A1
There are provided an apparatus for temperature calibration of temperature sensors, and a liner for use in such an apparatus, wherein the liner (9) is adapted to be placed in a cavity (5) in a dry block (1) in the apparatus, and is arran...  
WO/1998/057135A1
Apparatus for measurement of a temperature of a moving metal slab to provide a measured temperature indication corresponding to an actual temperature at a location on the surface of the slab. The apparatus comprises a first temperature m...  
WO/1998/055842A1
An apparatus for measuring the temperature of an object within a process chamber is described. The process chamber includes a platform for receiving the object and an energy source for transferring energy to the object. The apparatus inc...  
WO/1998/055977A1
The present invention relates to an electronic heat detector having a self diagnostic mode. The heat detector is able to test the operation of a thermistor utilized for the temperature indicator of the heat detector. The thermistor is te...  
WO1998027414A3  
WO/1998/027414A2
A radiometer calibrating system (150) utilizes an adjustable noise source (100) for calibrating a radiometer. The noise source includes a transistor configured as a noise equivalent circuit having a gate port, drain port and source port....  
WO/1998/027644A1
A microwave active noise source (100) and method used for calibrating a radiometer includes a transistor configured as a noise equivalent model having a gate port, drain port and source port.  
WO/1998/025114A1
Disclosed are an operating procedure related to a resistance heating element (10) and the device for applying same. In a first step, the resistance R�h? (11) of the heating element concerned (10) is determined at a given base temperatu...  
WO/1998/020469A1
A transmitter (100) in a process control system includes a resistance sensor (110) sensing a process variable and providing a sensor output. Sensor monitoring circuitry (116) coupled to the sensor (110) provides a secondary signal relate...  
WO/1998/013677A1
A smart temperature sensing device (10) includes a sensor (16) and a memory (25) on a sensor unit (14). The memory contains a plurality of custom nonlinear calibration coefficients which uniquely characterize the sensor (16). A temperatu...  
WO/1998/008067A1
A self-verifying temperature sensor and method for measuring and verifying the true thermodynamic temperature of a system. The sensor is constructed of various combinations of the following temperature-dependent elements: thermoelements,...  
WO1998002721A3  
WO/1998/002721A2
A digital compensation circuit for calibrating a sensor is described. The compensator circuit comprises a serial communication circuit (125) for receiving data relating to a plurality of parameters, and means coupled to serial communicat...  
WO/1997/037201A1
The invention relates to a method of calibrating a radiation thermometer comprising a radiation sensor and an ambient temperature sensor, by means of a radiation standard of known temperature. During calibration parameters to be determin...  
WO/1997/031243A1
The invention concerns a method of checking a sensor (2) which generates an electrical measuring signal on the basis of a non-electrical physical value. To that end, a test valuator device (3) is used which, when an electrical checking s...  
WO/1997/025603A1
A temperature transmitter (40) in a process control loop (42) comprises a temperature sensor (10) and a transmitter circuit. The temperature sensor (10) includes a sensor sheath (12) and a sensor element (61) positioned within the sensor...  
WO/1997/025602A1
A temperature transmitter (10) and a process control system includes a sensor input (1, 2, 3, 4) for coupling to a temperature sensor (16) having a temperature dependent resistance. Resistance measuring circuitry (20, 26, 50) couples to ...  
WO/1997/003342A1
An automatic calibration system (10) and method for calibration of a substrate temperature sensor (21) in a thermal processing system (20). The calibration system (10) includes a temperature probe (15) associated with the substrate tempe...  
WO/1996/039617A1
A temperature transmitter (10) in a process control system includes a temperature sensor (16, 18) which senses temperature and provides a sensor output related to sensed temperature. An analog-to-digital converter (28) coupled to the sen...  

Matches 201 - 250 out of 1,222