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JPS5794623A - Thermometer of temperature measuring resistor - Google Patents
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JPS5794623A - Thermometer of temperature measuring resistor - Google Patents

Thermometer of temperature measuring resistor

Info

Publication number
JPS5794623A
JPS5794623A JP17114080A JP17114080A JPS5794623A JP S5794623 A JPS5794623 A JP S5794623A JP 17114080 A JP17114080 A JP 17114080A JP 17114080 A JP17114080 A JP 17114080A JP S5794623 A JPS5794623 A JP S5794623A
Authority
JP
Japan
Prior art keywords
converter
thermometer
temperature measuring
measuring resistor
linearized
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.)
Pending
Application number
JP17114080A
Other languages
Japanese (ja)
Inventor
Toshiyuki Hosaka
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.)
Shiojiri Kogyo KK
Original Assignee
Shiojiri Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shiojiri Kogyo KK filed Critical Shiojiri Kogyo KK
Priority to JP17114080A priority Critical patent/JPS5794623A/en
Publication of JPS5794623A publication Critical patent/JPS5794623A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
    • G01K7/20—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
    • G01K7/21—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit for modifying the output characteristic, e.g. linearising

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

PURPOSE:To obtain a thermometer which is stable and requires no adjustment, by forming a linearized A/D converter. CONSTITUTION:A voltage variation caused by making a prescribed current flow to a temperature measuring resistor from a reference constant-current source 222 is supplied to an integration type 1-chip C-MOS-A/D converter 201 through a buffer 219. Subsequently, a linearized A/D converting operation is executed by providing a pulse train which has prescribed an interval of addition and subtraction of the converter 201, and the interval between addition and subtraction, to the converter 201 from a digital linearizer 228, and the converted output is supplied to a liquid crystal display part 227.
JP17114080A 1980-12-04 1980-12-04 Thermometer of temperature measuring resistor Pending JPS5794623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17114080A JPS5794623A (en) 1980-12-04 1980-12-04 Thermometer of temperature measuring resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17114080A JPS5794623A (en) 1980-12-04 1980-12-04 Thermometer of temperature measuring resistor

Publications (1)

Publication Number Publication Date
JPS5794623A true JPS5794623A (en) 1982-06-12

Family

ID=15917719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17114080A Pending JPS5794623A (en) 1980-12-04 1980-12-04 Thermometer of temperature measuring resistor

Country Status (1)

Country Link
JP (1) JPS5794623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61153534A (en) * 1984-12-27 1986-07-12 Oki Electric Ind Co Ltd Temperature measuring instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61153534A (en) * 1984-12-27 1986-07-12 Oki Electric Ind Co Ltd Temperature measuring instrument

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