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JPS5679217A - Heating body temperature indication device in image forming device - Google Patents

Heating body temperature indication device in image forming device

Info

Publication number
JPS5679217A
JPS5679217A JP15603079A JP15603079A JPS5679217A JP S5679217 A JPS5679217 A JP S5679217A JP 15603079 A JP15603079 A JP 15603079A JP 15603079 A JP15603079 A JP 15603079A JP S5679217 A JPS5679217 A JP S5679217A
Authority
JP
Japan
Prior art keywords
heating
temperature
image forming
voltage
heating body
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
JP15603079A
Other languages
Japanese (ja)
Inventor
Hiroaki Tsuchiya
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP15603079A priority Critical patent/JPS5679217A/en
Publication of JPS5679217A publication Critical patent/JPS5679217A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Fixing For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE: To relieve an image forming device operator from psychological unpleasantness in such a manner as to enable him (or her) to tell length of time he (or she) has to wait until heating is completed, by making it possible to indicate variation of temperature of a heating body, such as a fixing equipment, etc., during the heating period.
CONSTITUTION: A temperature sensor 2 having detected temperature of a fixing equipment 1 converts the detected temperature into voltage and puts it into a comparison circuit 3. Whenever the input voltage become higher than a voltage corresponding to the preset temperature, the comparison circuit 3 impresses voltage of respectively different value into one of liquid crystal indicating circuits 9W13 through one of output circuits 4W8. It is possible to tell from indication colors of the liquid crystal indicating circuits 9W13 a length of waiting time until completion of heating.
COPYRIGHT: (C)1981,JPO&Japio
JP15603079A 1979-12-01 1979-12-01 Heating body temperature indication device in image forming device Pending JPS5679217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15603079A JPS5679217A (en) 1979-12-01 1979-12-01 Heating body temperature indication device in image forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15603079A JPS5679217A (en) 1979-12-01 1979-12-01 Heating body temperature indication device in image forming device

Publications (1)

Publication Number Publication Date
JPS5679217A true JPS5679217A (en) 1981-06-29

Family

ID=15618769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15603079A Pending JPS5679217A (en) 1979-12-01 1979-12-01 Heating body temperature indication device in image forming device

Country Status (1)

Country Link
JP (1) JPS5679217A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5893068A (en) * 1981-11-30 1983-06-02 Fuji Xerox Co Ltd Display of copying machine
JPS59104668A (en) * 1983-11-07 1984-06-16 Toshiba Corp Picture forming device
JPS6015639U (en) * 1983-07-08 1985-02-02 松下電器産業株式会社 temperature display device
JPS6055373A (en) * 1983-09-06 1985-03-30 Fuji Xerox Co Ltd Temperature control mechanism of fixing device of copying machine
JP2017198417A (en) * 2016-04-28 2017-11-02 株式会社ガスター Related information display method, information display device, program

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5893068A (en) * 1981-11-30 1983-06-02 Fuji Xerox Co Ltd Display of copying machine
JPS6015639U (en) * 1983-07-08 1985-02-02 松下電器産業株式会社 temperature display device
JPH0230742Y2 (en) * 1983-07-08 1990-08-20
JPS6055373A (en) * 1983-09-06 1985-03-30 Fuji Xerox Co Ltd Temperature control mechanism of fixing device of copying machine
JPS59104668A (en) * 1983-11-07 1984-06-16 Toshiba Corp Picture forming device
JP2017198417A (en) * 2016-04-28 2017-11-02 株式会社ガスター Related information display method, information display device, program

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