JPS638656U - - Google Patents

Info

Publication number
JPS638656U
JPS638656U JP10289386U JP10289386U JPS638656U JP S638656 U JPS638656 U JP S638656U JP 10289386 U JP10289386 U JP 10289386U JP 10289386 U JP10289386 U JP 10289386U JP S638656 U JPS638656 U JP S638656U
Authority
JP
Japan
Prior art keywords
cap
concentration sensor
toner concentration
detection head
developer
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
JP10289386U
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 JP10289386U priority Critical patent/JPS638656U/ja
Publication of JPS638656U publication Critical patent/JPS638656U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Description

【図面の簡単な説明】
図は本考案の実施例を示す縦断面拡大図である
。 3a,3b,3c:コイル、7:ねじコア、8
:キヤツプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) ボビンの外周に検出コイルおよび基準コイ
    ルを巻装して差動トランスを構成し、この差動ト
    ランスの中心部に調整用ねじコアを介装させ、現
    像剤との接触面に合成樹脂材料からなるキヤツプ
    を固着したトナー濃度センサー用検出ヘツドにお
    いて、前記キヤツプ表面のアラサを、現像剤を構
    成するトナー粒子径の1〜5倍とし、かつ帯電防
    止材料からなる被膜を設けたことを特徴とするト
    ナー濃度センサー用検出ヘツド。 (2) キヤツプを形成する合成樹脂材料が熱可塑
    性樹脂である実用新案登録請求の範囲第1項記載
    のトナー濃度センサー用検出ヘツド。
JP10289386U 1986-07-04 1986-07-04 Pending JPS638656U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10289386U JPS638656U (ja) 1986-07-04 1986-07-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10289386U JPS638656U (ja) 1986-07-04 1986-07-04

Publications (1)

Publication Number Publication Date
JPS638656U true JPS638656U (ja) 1988-01-20

Family

ID=30974951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10289386U Pending JPS638656U (ja) 1986-07-04 1986-07-04

Country Status (1)

Country Link
JP (1) JPS638656U (ja)

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