ES2471671B2 - DIFFERENTIAL TEMPERATURE SENSOR WITH IMMUNITY TO THERMAL INTERFERENCES - Google Patents

DIFFERENTIAL TEMPERATURE SENSOR WITH IMMUNITY TO THERMAL INTERFERENCES Download PDF

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Publication number
ES2471671B2
ES2471671B2 ES201231816A ES201231816A ES2471671B2 ES 2471671 B2 ES2471671 B2 ES 2471671B2 ES 201231816 A ES201231816 A ES 201231816A ES 201231816 A ES201231816 A ES 201231816A ES 2471671 B2 ES2471671 B2 ES 2471671B2
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ES
Spain
Prior art keywords
immunity
temperature sensor
differential temperature
output
crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
ES201231816A
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Spanish (es)
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ES2471671A1 (en
Inventor
Dídac GÓMEZ SALINAS
Diego Mateo Peña
Josep Altet Sanahujes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universitat Politecnica de Catalunya UPC
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Universitat Politecnica de Catalunya UPC
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Publication date
Application filed by Universitat Politecnica de Catalunya UPC filed Critical Universitat Politecnica de Catalunya UPC
Priority to ES201231816A priority Critical patent/ES2471671B2/en
Priority to PCT/ES2013/070810 priority patent/WO2014080062A1/en
Publication of ES2471671A1 publication Critical patent/ES2471671A1/en
Application granted granted Critical
Publication of ES2471671B2 publication Critical patent/ES2471671B2/en
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/14—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of space

Abstract

Sensor de temperatura diferencial con inmunidad a interferencias térmicas.#La presente invención describe un circuito electrónico orientado a ser integrado en un cristal semiconductor capaz de proporcionar una magnitud eléctrica a su salida dependiente de la diferencia de temperatura entre dos zonas de la superficie de dicho cristal semiconductor, y que presenta al mismo tiempo un gran rechazo a posibles interferencias térmicas provenientes de otras zonas del mismo cristal. La figura 1 muestra el símbolo del circuito electrónico. Éste tiene dos entradas de alimentación (5) y (6), y como salida tiene un nodo (1). Además, tiene diversos dispositivos internos, (2), (3) y (4) en la figura, las temperaturas de los cuales influirán de forma directa en el valor de la magnitud eléctrica del nodo de salida.Differential temperature sensor with immunity to thermal interference # The present invention describes an electronic circuit oriented to be integrated in a semiconductor crystal capable of providing an electrical magnitude at its output depending on the temperature difference between two surface areas of said crystal semiconductor, and which presents at the same time a great rejection of possible thermal interference from other areas of the same crystal. Figure 1 shows the electronic circuit symbol. It has two power inputs (5) and (6), and as output it has a node (1). In addition, it has various internal devices, (2), (3) and (4) in the figure, the temperatures of which will directly influence the value of the electrical magnitude of the output node.

Description

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Claims (1)

imagen1image 1
ES201231816A 2012-11-22 2012-11-22 DIFFERENTIAL TEMPERATURE SENSOR WITH IMMUNITY TO THERMAL INTERFERENCES Active ES2471671B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES201231816A ES2471671B2 (en) 2012-11-22 2012-11-22 DIFFERENTIAL TEMPERATURE SENSOR WITH IMMUNITY TO THERMAL INTERFERENCES
PCT/ES2013/070810 WO2014080062A1 (en) 2012-11-22 2013-11-22 Differential temperature sensor with immunity to thermal interferences

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201231816A ES2471671B2 (en) 2012-11-22 2012-11-22 DIFFERENTIAL TEMPERATURE SENSOR WITH IMMUNITY TO THERMAL INTERFERENCES

Publications (2)

Publication Number Publication Date
ES2471671A1 ES2471671A1 (en) 2014-06-26
ES2471671B2 true ES2471671B2 (en) 2014-10-01

Family

ID=50775585

Family Applications (1)

Application Number Title Priority Date Filing Date
ES201231816A Active ES2471671B2 (en) 2012-11-22 2012-11-22 DIFFERENTIAL TEMPERATURE SENSOR WITH IMMUNITY TO THERMAL INTERFERENCES

Country Status (2)

Country Link
ES (1) ES2471671B2 (en)
WO (1) WO2014080062A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002048651A (en) * 2000-08-04 2002-02-15 Nippon Precision Circuits Inc Semiconductor temperature detecting method and its circuit
US6701790B2 (en) * 2002-06-13 2004-03-09 Mykrolis Corporation Temperature regulator for use with a pressure sensing device
US8049145B1 (en) * 2006-04-19 2011-11-01 Agerson Rall Group, L.L.C. Semiconductor device having variable parameter selection based on temperature and test method
JP4730242B2 (en) * 2006-07-27 2011-07-20 トヨタ自動車株式会社 Temperature detection circuit and correction method thereof

Also Published As

Publication number Publication date
WO2014080062A1 (en) 2014-05-30
ES2471671A1 (en) 2014-06-26

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