JPS57211025A - Temperature detector - Google Patents

Temperature detector

Info

Publication number
JPS57211025A
JPS57211025A JP56097306A JP9730681A JPS57211025A JP S57211025 A JPS57211025 A JP S57211025A JP 56097306 A JP56097306 A JP 56097306A JP 9730681 A JP9730681 A JP 9730681A JP S57211025 A JPS57211025 A JP S57211025A
Authority
JP
Japan
Prior art keywords
circuit
temperature
resonance
wave
signal
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.)
Granted
Application number
JP56097306A
Other languages
Japanese (ja)
Other versions
JPS6328256B2 (en
Inventor
Takeshi Kuriyama
Takashi Ikehara
Akira Kurita
Takashi Miyahara
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP56097306A priority Critical patent/JPS57211025A/en
Publication of JPS57211025A publication Critical patent/JPS57211025A/en
Publication of JPS6328256B2 publication Critical patent/JPS6328256B2/ja
Granted 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
    • G01K7/32—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using change of resonant frequency of a crystal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

PURPOSE:To simplify the constitution of a temperature detector, by feeding a sweep pulse to a temperature-sensitive resonance circuit and detecting the duration of signal obtained by the resonance of said resonance circuit. CONSTITUTION:The continuous wave produced from a continuous wave oscillating circuit 1 is applied to an intermittent wave transmitting circuit 2, and an intermittent wave is transmitted to a temperature-sensitive resonance circuit 3 provided at an area where the temperature to be measured is set. When the temperature of the circuit 3 has a change and the resonance frequency f01 is coincident with the transmitted wave f1, the circuit 3 has the resonance with the wave f1 to extend the resonance long. As a result, the signal of a frequency equal to the wave f1 is received intermittently at a time limit receiving circuit 4. The circuit 4 recognizes several pulses of the signal and transmits the signal and transmits the signal to a control circuit 5 to give the control to a heating circuit. The resonance frequency f0 of the circuit 3 is decided by the temperature. Thus an optional temperature can be set by putting a scale of temperature directly at the frequency equivalent to the circuit 1.
JP56097306A 1981-06-22 1981-06-22 Temperature detector Granted JPS57211025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56097306A JPS57211025A (en) 1981-06-22 1981-06-22 Temperature detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56097306A JPS57211025A (en) 1981-06-22 1981-06-22 Temperature detector

Publications (2)

Publication Number Publication Date
JPS57211025A true JPS57211025A (en) 1982-12-24
JPS6328256B2 JPS6328256B2 (en) 1988-06-07

Family

ID=14188798

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56097306A Granted JPS57211025A (en) 1981-06-22 1981-06-22 Temperature detector

Country Status (1)

Country Link
JP (1) JPS57211025A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328112A (en) * 1976-08-28 1978-03-16 Basf Ag Method of manufacturing salts from dicarboxylic acid and diamine
JPS5447593A (en) * 1977-09-22 1979-04-14 Tokyo Denpa Kk Atricle identifying device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5328112A (en) * 1976-08-28 1978-03-16 Basf Ag Method of manufacturing salts from dicarboxylic acid and diamine
JPS5447593A (en) * 1977-09-22 1979-04-14 Tokyo Denpa Kk Atricle identifying device

Also Published As

Publication number Publication date
JPS6328256B2 (en) 1988-06-07

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