JPS58121062U - Fusing device - Google Patents

Fusing device

Info

Publication number
JPS58121062U
JPS58121062U JP1719382U JP1719382U JPS58121062U JP S58121062 U JPS58121062 U JP S58121062U JP 1719382 U JP1719382 U JP 1719382U JP 1719382 U JP1719382 U JP 1719382U JP S58121062 U JPS58121062 U JP S58121062U
Authority
JP
Japan
Prior art keywords
temperature
generated
signal
fixing device
copying
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
JP1719382U
Other languages
Japanese (ja)
Inventor
石田 敦夫
光次 山内
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1719382U priority Critical patent/JPS58121062U/en
Publication of JPS58121062U publication Critical patent/JPS58121062U/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来方式による加熱ロールの温度特性図、第2
図は本考案の一実施例のブロック図、第3図は本考案の
一実施例の回路図、第4図は本考案の二実施例による加
熱ロールの温度特性図である。 To・・・設定温度、Tu・・・レディー信号発生温度
、Td・・・レディー信号停止温度、1・・・温度検知
回路、2・・・比較器、3・・・制御回路、4・・・駆
動回路、5・・・ヒータ、6・・・レディー信号発生回
路。 第′91 埼町
Figure 1 is a temperature characteristic diagram of the heating roll according to the conventional method, Figure 2
FIG. 3 is a block diagram of an embodiment of the invention, FIG. 3 is a circuit diagram of an embodiment of the invention, and FIG. 4 is a temperature characteristic diagram of a heating roll according to two embodiments of the invention. To...Set temperature, Tu...Ready signal generation temperature, Td...Ready signal stop temperature, 1...Temperature detection circuit, 2...Comparator, 3...Control circuit, 4... - Drive circuit, 5... Heater, 6... Ready signal generation circuit. No. '91 Saimachi

Claims (1)

【実用新案登録請求の範囲】 1 画像支持体上の熱可塑性粉末が接触するカロ熱ロー
ルを有する熱定着装置において、コピー可能信号を発生
させる温度を設定温度よりも高く、コピー不可能信号を
発生させる温度を設定温度よりも低く設定したことを特
徴とする定着装置。 2 実用新案登録請求の範囲第1項記載の定着装置にお
いて、コピー可能信号を発生させる温度とζコピー不可
能信号を発生させる温度を独立して設定できることを特
徴とする定着装置。 3 実用新案登録請求の範囲第1項記載の定着装置にお
いて、コピー可能信号を発生させる温度とコピー不可能
信号を発生させる温度をヒステリシスを有する比較器で
設定したことを徴とする定着装置。   □
[Claims for Utility Model Registration] 1. In a heat fixing device having a Calothermal roll that is in contact with thermoplastic powder on an image support, the temperature at which a copying possible signal is generated is higher than a set temperature, and a copying impossible signal is generated. A fixing device characterized in that a fixing temperature is set lower than a set temperature. 2 Utility Model Registration The fixing device according to claim 1, characterized in that the temperature at which a copy enable signal is generated and the temperature at which a ζ copy disable signal is generated can be independently set. 3 Utility Model Registration The fixing device according to claim 1, characterized in that a temperature at which a copying enable signal is generated and a temperature at which a copying impossible signal is generated are set by a comparator having hysteresis. □
JP1719382U 1982-02-12 1982-02-12 Fusing device Pending JPS58121062U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1719382U JPS58121062U (en) 1982-02-12 1982-02-12 Fusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1719382U JPS58121062U (en) 1982-02-12 1982-02-12 Fusing device

Publications (1)

Publication Number Publication Date
JPS58121062U true JPS58121062U (en) 1983-08-17

Family

ID=30029525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1719382U Pending JPS58121062U (en) 1982-02-12 1982-02-12 Fusing device

Country Status (1)

Country Link
JP (1) JPS58121062U (en)

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