JPS5483499A - Cleaning control device of sensor - Google Patents

Cleaning control device of sensor

Info

Publication number
JPS5483499A
JPS5483499A JP15127477A JP15127477A JPS5483499A JP S5483499 A JPS5483499 A JP S5483499A JP 15127477 A JP15127477 A JP 15127477A JP 15127477 A JP15127477 A JP 15127477A JP S5483499 A JPS5483499 A JP S5483499A
Authority
JP
Japan
Prior art keywords
sensor
circuit
signal
heater
cooking
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
JP15127477A
Other languages
Japanese (ja)
Inventor
Masao Ito
Takahito Kanazawa
Toru Kobayashi
Akihisa Takano
Makoto Tsuboi
Keijiro Mori
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15127477A priority Critical patent/JPS5483499A/en
Publication of JPS5483499A publication Critical patent/JPS5483499A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Electric Ovens (AREA)

Abstract

PURPOSE: To clean the humidity sensor of a microwave oven perfectly, by removing contaminant through burning by energizing the heater installed in the vicinity of the sensor when starting cooking or just before ending cooking.
CONSTITUTION: The heater for cleaning the sensor is heated by turning on the heater signal SH, and the heating is stopped by turning it off to clean the sensor, and this ON/OFF switching is controlled by the count of the predetermined specified time. That is, FF 22 is set by the output of a flip flop (FF) 21 to which a start signa l of cooking start is inputted, and the same output is outputted in AND circuit 25 as a heater signal SH. When the content of a counter 34 reaches the specified value T1, FF 22 is reset through detection circuit 36 and AND circuit 30 to turn off the signal SH. Next, just before ending cooking, when the content of the counter 34 reaches the specified value T3, the signal SH is turned on by detection circuit 38, AND circuit 33 and FF 23. When reaching the specified value T4, the signal SH is turned off by the detection circuit 39, AND circuit 33, and FF 23.
COPYRIGHT: (C)1979,JPO&Japio
JP15127477A 1977-12-15 1977-12-15 Cleaning control device of sensor Pending JPS5483499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15127477A JPS5483499A (en) 1977-12-15 1977-12-15 Cleaning control device of sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15127477A JPS5483499A (en) 1977-12-15 1977-12-15 Cleaning control device of sensor

Publications (1)

Publication Number Publication Date
JPS5483499A true JPS5483499A (en) 1979-07-03

Family

ID=15515081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15127477A Pending JPS5483499A (en) 1977-12-15 1977-12-15 Cleaning control device of sensor

Country Status (1)

Country Link
JP (1) JPS5483499A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761402U (en) * 1980-09-27 1982-04-12

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NATIONAL TECHNICAL REPORT=1976 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761402U (en) * 1980-09-27 1982-04-12

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