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| Number | Title | Issue Date |
| 8182139 | Calibration of temperature sensing circuitry in an electronic device Temperature sensing circuitry is used for thermal management of an electronic device. The temperature sensing circuitry includes at least one thermistor placed at or near a component of the electronic device. The temperature sensing circuitry also includes a high-pr... | 05/22/2012 |
| 8177420 | Apparatus and methods for temperature calibration and sensing 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 flowi... | 05/15/2012 |
| 8152363 | Temperature detection circuit A temperature detection circuit includes a first voltage source circuit to generate a first voltage having a temperature dependence by utilizing a work function difference of gate electrodes of a plurality of field effect transistors, a second voltage source circuit... | 04/10/2012 |
| 8147129 | Apparatus for testing infrared sensors An apparatus for use with automatic testing equipment for testing infrared sensors on integrated circuits is provided. The apparatus includes an infrared source, a heat mass, and an electronic frequency modulator. The infrared source is modulated according to a pred... | 04/03/2012 |
| 8104950 | Avoiding air flow penetration in temperature measurement In one example embodiment, a board for measuring device temperatures comprises a base and one or more fingers extending from the base. The base and the one or more fingers comprise a flexible material. One or more first temperature sensors are disposed on the one or... | 01/31/2012 |
| 8075179 | Procedure for a reasonability check of a temperature sensor A procedure for a reasonability check of the signal of a temperature sensor that is arranged in a reducing tank, in particular a HWL-tank, is thereby characterized, in that the tank level is detected by a tank level sensor that is arranged almost at the same filling... | 12/13/2011 |
| 8075178 | Circuit arrangement to adjust and calibrate a MEMS-sensor device for flow measurement of gases or liquids Circuitry is disclosed for the calibration of heating element and ambient temperature sensors, comprising: a) an amplifier having positive and negative inputs, and an output; b) one or more heating MOS transistors selectably coupled in parallel and having 1) a heati... | 12/13/2011 |
| 8047706 | Calibration of temperature control system for semiconductor processing chamber Methods and systems for calibrating a temperature control system in a vapor deposition chamber. A temperature sensor senses temperature within a semiconductor processing chamber and generates an output signal. A temperature control system controls a chamber temperat... | 11/01/2011 |
| 7909504 | Open-loop vertical drywell gradient correction system and method A system and method are disclosed for controlling a drywell including a receiver having upper and lower ends with the lower end being more insulated than the upper and having a temperature sensor in thermal contact therewith. Upper and lower heaters are in thermal c... | 03/22/2011 |
| 7901130 | Method and apparatus for calibrating a thermistor The presently described embodiments are directed to a calibration method and system for thin film thermistors that are locally heated with integrated thin film heaters. Initially, print head temperature is either measured or referenced. Then, transient thermistor re... | 03/08/2011 |
| 7857505 | Method and circuit for correcting sensor temperature dependency characteristic A method and circuit for preventing an output signal, which has been corrected through digital correction or analog correction, from deviating from a target value and for preventing power supply noise and power consumption from increasing. A sensor amplification cir... | 12/28/2010 |
| 7837382 | Fixed-point cell, fixed-point temperature realizing apparatus, and method of thermometer calibration A fixed-point cell is provided which can provide a fixed-point in a wide temperature range by changing the fixed-point material. During the use of the fixed-point cell, the fixed-point material can be prevented from being contaminated, and the crucible of the cell c... | 11/23/2010 |
| 7798703 | Apparatus and method for measuring local surface temperature of semiconductor device An apparatus and method is described for measuring a local surface temperature of a semiconductor device under stress. The apparatus includes a substrate, and a reference MOSFET. The reference MOSFET may be disposed closely adjacent to the semiconductor device under... | 09/21/2010 |
| 7785000 | Venting system for drywell calibrators In one aspect of the invention a drywell includes a heated receiver for receiving a temperature probe. The receiver has upper and lower ends and an inner shield positioned around the receiver to define a first air channel extending between the upper and lower ends. ... | 08/31/2010 |
| 7771113 | Sensor rationality diagnostic A sensor diagnostic method, such as to determine rationality of one of three temperature sensors used in an exhaust aftertreatment system, includes determining the temperature difference between the first and second sensor, determining the temperature difference bet... | 08/10/2010 |
| 7766541 | Method for detecting abnormality of temperature sensor in machine tool The invention relates to a method for detecting an abnormality of a temperature sensor. A plurality of temperature sensors are preliminarily grouped for each of predetermined attachment areas of a machine tool, and after a temperature of each part is measured in S | 08/03/2010 |
| 7731418 | Thermometer calibration A method for calibrating a thermometer is provided. The method includes deriving values of at least two different reference calibration coefficients of a reference calibration equation. The reference calibration equation relates temperature of a reference temperatur... | 06/08/2010 |
| 7731417 | Temperature detection circuit A PWM signal generation circuit in an IPM includes an amplification circuit amplifying a voltage across terminals of a temperature sensor, a comparison circuit generating a PWM signal based on a triangular wave signal and an output signal of the amplification circui... | 06/08/2010 |
| 7708459 | Low-temperature comparison calibrator for thermometers A temperature varying low-temperature comparative calibration including a vacuum jacket, a comparative calibration block in the vacuum jacket which is formed of a material of a high heat conductivity and which is maintained at a fixed temperature by a refrigerator o... | 05/04/2010 |
| 7677794 | Multi-fixed-point cells and temperature calibration system using it The present invention relates to a multi fixed-point cell for calibrating a thermometer and a thermometer calibration apparatus using the same, wherein measuring errors can be checked by using a property of constant temperature of a metal on the basis of a phase tra... | 03/16/2010 |
| 7674035 | Digital temperature sensors and calibration thereof A method for calibrating a digital temperature sensor circuit, the circuit comprising an analogue temperature sensing means, an internal reference voltage source and an analogue-to-digital converter (ADC). The ADC is arranged to receive respective signals from the a... | 03/09/2010 |
| 7654733 | Method and device for identifying a temperature sensor connected to a control unit A controller of a hob is connected to a temperature sensor of a radiation based heating element. In principle, two different groups of temperature sensors can be used, whose resistance values differ by approximately a factor of three. When the hob is first used, the... | 02/02/2010 |
| 7628531 | Methods and apparatus for dual source calibration for distributed temperature systems Systems and methods for calibrating a temperature sensing system are disclosed. In one respect, a dual light source configuration may be provided. A first light source may illuminate a sensing fiber and an anti-Stokes band may be detected. A second light source may ... | 12/08/2009 |
| 7575370 | Heat treatment apparatus and method of calibrating the apparatus The present invention provides precise temperature estimation in a heat treatment apparatus that estimates temperatures of process objects by using a thermal model and performs a heat treatment while performing a temperature control based on the estimated temperatur... | 08/18/2009 |
| 7572051 | Method and apparatus for calibrating a thermistor The presently described embodiments are directed to a calibration method and system for thin film thermistors that are locally heated with integrated thin film heaters. Initially, print head temperature is either measured or referenced. Then, transient thermistor re... | 08/11/2009 |
| 7572052 | Method for monitoring and calibrating temperature in semiconductor processing chambers The present invention provides a non-destructive method for monitoring and calibrating chamber temperature. One embodiment of the present invention provides a method for measuring temperature comprising forming a target film on a test substrate at a first temperatur... | 08/11/2009 |
| 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, however, these diodes exhibit a second order behavior that causes the ... | 07/07/2009 |
| 7537377 | Thermal cycler for PCR A method for performing highly accurate PCR employing an assembly, a heated cover and an internal computer. The assembly is made up of a sample block, a number of Peltier thermal electric devices and heat sink, clamped together. The sample block temperature is chang... | 05/26/2009 |
| 7534028 | Burning oven A burning oven, especially for dental materials, is provided and includes a temperature detection element and a calibrating device for calibrating the temperature detection element. The calibrating device has a temperature sensor that in turn can be calibrated at a ... | 05/19/2009 |
| 7507019 | Thermometer calibration A method for calibrating a thermometer is disclosed. The thermometer comprises a primary temperature sensor for determining the temperature of a target. The thermometer also comprises a reference temperature sensor positioned proximate to the primary temperature sen... | 03/24/2009 |
| 7503689 | Measuring and trimming circuit components embedded in micro-platforms There is described a method and sub-circuit to measure temperature coefficients (coefficient of variation of a measurable parameter of the component), by using a thermally-isolated silicon micro-platform with a mass of mono-crystalline silicon suspended from it. The... | 03/17/2009 |
| 7455448 | Rapid thermal anneal equipment and method using sichrome film A method of determining the degree of calibration of an RTP chamber (1) includes providing a test wafer having a deposited sichrome layer (22) of sheet resistance Rsi on an oxide layer (21) formed on a silicon substrate (20). The test waf... | 11/25/2008 |
| 7452125 | Calibration wafer and method of calibrating in situ temperatures A system and method for calibrating a pyrometer used in temperature detection in a chemical vapor deposition system is provided. A calibration wafer with a reference region including a metal such as Al or Ag for forming a eutectic, and an exposed non-reference regio... | 11/18/2008 |
| 7442902 | Adaptive temperature controller The adaptive temperature controller includes an ambient temperature sensor, a device for measuring resistance, an electrically-conductive material, a power supply, and a device for controlling power. In operation, the controller determines the resistance of material... | 10/28/2008 |
| 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 coarse temperature range one of a plurality of fine temperature ranges... | 10/28/2008 |
| 7438466 | Calibrating a thermal scanning system A method for recalibrating a bilateral thermal scanner comprising a first thermal sensor and a second thermal sensor can comprise acquiring a first set of thermal scanning data with the thermal sensors in their normal positions; optionally analyzing the first set of... | 10/21/2008 |
| 7434985 | Calibrated built-in temperature sensor and calibration method thereof A built-in calibration device is for a temperature sensor. A voltage divider is configured for receiving one reference voltage with a negative temperature coefficient and generating a plurality of input voltages. Comparing apparatus is connected to the voltage divid... | 10/14/2008 |
| 7429128 | Failure determination system and method for temperature sensors, as well as engine control unit A failure determination system for determining failures of temperature sensors, which is capable of easily and accurately determining failures of the sensors in actual operating temperature ranges thereof, even when the ranges are different from each other. Temperat... | 09/30/2008 |
| 7427158 | Advanced thermal sensor Systems and methods for reducing the complexity and size of thermal sensors, where the voltage of a thermally sensitive device is compared to a reference voltage that varies as a function of temperature, rather than being constant. One embodiment comprises a thermal... | 09/23/2008 |
| 7422366 | Current mirror methodology quantifying time dependent thermal instability accurately in SOI BJT circuitry A current mirror method is provided that can be utilized to evaluate thermal issues is silicon-on-insulator (SOI) bipolar junction transistors (BJTs). The method significantly improves safe operating area (SOA) measurement sensitivity. Unlike conventional methods, t... | 09/09/2008 |
