JPH02134563U - - Google Patents

Info

Publication number
JPH02134563U
JPH02134563U JP4263489U JP4263489U JPH02134563U JP H02134563 U JPH02134563 U JP H02134563U JP 4263489 U JP4263489 U JP 4263489U JP 4263489 U JP4263489 U JP 4263489U JP H02134563 U JPH02134563 U JP H02134563U
Authority
JP
Japan
Prior art keywords
sensing element
temperature
temperature sensing
fixing device
ground
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
JP4263489U
Other languages
English (en)
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 filed Critical
Priority to JP4263489U priority Critical patent/JPH02134563U/ja
Publication of JPH02134563U publication Critical patent/JPH02134563U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)

Description

【図面の簡単な説明】
第1図は一実施例の熱定着器の温度制御装置の
回路図、第2図a,b、第3図は一実施例の熱定
着器の温度制御装置の回路動作を説明するフロー
チヤート、第4図は従来の熱定着器の温度制御装
置の回路図である。 3……CPU、TH……サーミスタ、Tr……
トランジスタ、R〜R……抵抗、C……コン
デンサ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電源と接地間に接続され熱定着器の温度に従つ
    て抵抗値が変化する感温素子と、該感温素子の接
    地抵抗を切り換える切換手段と、前記感温素子の
    接地側電位又は電源側電位を選択的にA/D変換
    器へ入力させる選択手段と、該選択手段及び前記
    切換手段の動作に同期して前記A/D変換器の出
    力により前記熱定着器の温度と感温素子の断線と
    を時分割で判別する判別手段とを有することを特
    徴とする熱定着器の温度制御装置。
JP4263489U 1989-04-12 1989-04-12 Pending JPH02134563U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4263489U JPH02134563U (ja) 1989-04-12 1989-04-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4263489U JPH02134563U (ja) 1989-04-12 1989-04-12

Publications (1)

Publication Number Publication Date
JPH02134563U true JPH02134563U (ja) 1990-11-08

Family

ID=31554348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4263489U Pending JPH02134563U (ja) 1989-04-12 1989-04-12

Country Status (1)

Country Link
JP (1) JPH02134563U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194075A (ja) * 1982-05-10 1983-11-11 Fuji Xerox Co Ltd 複写機用加熱温度制御装置
JPS61212875A (ja) * 1985-03-18 1986-09-20 Toshiba Corp 温度制御装置
JPS62129878A (ja) * 1985-12-02 1987-06-12 Casio Comput Co Ltd 定着装置の温度制御装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194075A (ja) * 1982-05-10 1983-11-11 Fuji Xerox Co Ltd 複写機用加熱温度制御装置
JPS61212875A (ja) * 1985-03-18 1986-09-20 Toshiba Corp 温度制御装置
JPS62129878A (ja) * 1985-12-02 1987-06-12 Casio Comput Co Ltd 定着装置の温度制御装置

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