JPS54141986A - Control device for heat source of cooking appliance - Google Patents

Control device for heat source of cooking appliance

Info

Publication number
JPS54141986A
JPS54141986A JP4894278A JP4894278A JPS54141986A JP S54141986 A JPS54141986 A JP S54141986A JP 4894278 A JP4894278 A JP 4894278A JP 4894278 A JP4894278 A JP 4894278A JP S54141986 A JPS54141986 A JP S54141986A
Authority
JP
Japan
Prior art keywords
thermistor
heat source
gate
signal
cooking appliance
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
JP4894278A
Other languages
Japanese (ja)
Inventor
Sotofumi Minamide
Masumi Yamaguchi
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 JP4894278A priority Critical patent/JPS54141986A/en
Publication of JPS54141986A publication Critical patent/JPS54141986A/en
Pending legal-status Critical Current

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  • Control Of Temperature (AREA)

Abstract

PURPOSE: To inform a danger with an alarm when the thermistor is broken by controlling the heat source of cooking appliance in such a way that temperature of foods is detected by the thermistor and its detection signal causes the production of ultrasonic wave which is to be received by the receiver provided to the outside of oven.
CONSTITUTION: Let the output voltage of thermistor in a break, that in detecting temperature of 100°C and the reference voltage fed to the negative side of comparator 12 be VO, V100 and VP2 respectively. Whe VP2 is selected such that VO>VP2> V100, the comparator 12 inverts the output in a break of thermistor and feeds a signal to the AND gate 17 through the OR gate 16, the AND gate 17 provides an excitation signal P4 from the pulse generator 18 to the ultrasonic oscillation element 19 as an alarm signal P6 to make the element 19 generate ultrasonic wave continuously. At this time, the receiver 6 in the outside of heating room decides an alarm signal and stops the heat source.
COPYRIGHT: (C)1979,JPO&Japio
JP4894278A 1978-04-24 1978-04-24 Control device for heat source of cooking appliance Pending JPS54141986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4894278A JPS54141986A (en) 1978-04-24 1978-04-24 Control device for heat source of cooking appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4894278A JPS54141986A (en) 1978-04-24 1978-04-24 Control device for heat source of cooking appliance

Publications (1)

Publication Number Publication Date
JPS54141986A true JPS54141986A (en) 1979-11-05

Family

ID=12817322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4894278A Pending JPS54141986A (en) 1978-04-24 1978-04-24 Control device for heat source of cooking appliance

Country Status (1)

Country Link
JP (1) JPS54141986A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936050A (en) * 1982-08-23 1984-02-28 Canon Inc Recording device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936050A (en) * 1982-08-23 1984-02-28 Canon Inc Recording device
JPH0469389B2 (en) * 1982-08-23 1992-11-06 Canon Kk

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