JPS5958459U - Toner concentration detection device - Google Patents

Toner concentration detection device

Info

Publication number
JPS5958459U
JPS5958459U JP15465782U JP15465782U JPS5958459U JP S5958459 U JPS5958459 U JP S5958459U JP 15465782 U JP15465782 U JP 15465782U JP 15465782 U JP15465782 U JP 15465782U JP S5958459 U JPS5958459 U JP S5958459U
Authority
JP
Japan
Prior art keywords
toner concentration
detection device
concentration detection
toner
latent image
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
JP15465782U
Other languages
Japanese (ja)
Inventor
博司 山田
Original Assignee
富士通株式会社
東レ株式会社
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 富士通株式会社, 東レ株式会社 filed Critical 富士通株式会社
Priority to JP15465782U priority Critical patent/JPS5958459U/en
Publication of JPS5958459U publication Critical patent/JPS5958459U/en
Pending legal-status Critical Current

Links

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図は本考案のトナー濃度検出装置を備えた磁気ブラ
シ現像装置を示す図、第２図は本考案に係るトナー濃度
検出装置の要部構成図である。 １・・・感光ドラム、２・・・潜像形成手段、３・・・
現像−装置の側板、４・・・現像剤、５・・・搬送用マ
グロール、６・・・現像用マグロール、７・・・かき落
し板、８・・・仕切り板、９・・・ミキシングローラ、
１０・・・ゲート、１１・・・検出コイル、１２・・・
トナーホッパー、１３・・・トナー、１４・・・トナー
補給部、１５・・・筒、１６・・・Ｔ型コア、１７・・
・コイル。FIG. 1 is a diagram showing a magnetic brush developing device equipped with a toner concentration detecting device according to the present invention, and FIG. 2 is a diagram showing a main part of the toner concentration detecting device according to the present invention. 1... Photosensitive drum, 2... Latent image forming means, 3...
Developing device side plate, 4... Developer, 5... Mag roll for conveyance, 6... Mag roll for development, 7... Scraping plate, 8... Partition plate, 9... Mixing roller ,
10...Gate, 11...Detection coil, 12...
Toner hopper, 13... Toner, 14... Toner supply section, 15... Cylinder, 16... T-shaped core, 17...
·coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] トナーと磁性体キャリアを含有した粉末現像剤を潜像形
成部に供給して潜像を可視化する現像装置の上記現像剤
のトナー濃度を検出コイルのインダクタンスの変化によ
り検出するトナー濃度検出′　　装置において、−上記
検出コイルの内側をＴ型の高透磁率物質で充填したこと
を特徴としたトナー濃度検出装置。In a toner concentration detection device that detects the toner concentration of the developer by a change in the inductance of a detection coil of a developing device that supplies a powder developer containing toner and a magnetic carrier to a latent image forming section and visualizes the latent image. - A toner concentration detection device characterized in that the inside of the detection coil is filled with a T-shaped high magnetic permeability material.
JP15465782U 1982-10-13 1982-10-13 Toner concentration detection device Pending JPS5958459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15465782U JPS5958459U (en) 1982-10-13 1982-10-13 Toner concentration detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15465782U JPS5958459U (en) 1982-10-13 1982-10-13 Toner concentration detection device

Publications (1)

Publication Number Publication Date
JPS5958459U true JPS5958459U (en) 1984-04-16

Family

ID=30341805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15465782U Pending JPS5958459U (en) 1982-10-13 1982-10-13 Toner concentration detection device

Country Status (1)

Country Link
JP (1) JPS5958459U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55450A (en) * 1978-08-24 1980-01-05 Sankyo Dengiyou Kk Mixing ratio meter for powders
JPS57132171A (en) * 1981-02-09 1982-08-16 Fujitsu Ltd Detector of toner density

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55450A (en) * 1978-08-24 1980-01-05 Sankyo Dengiyou Kk Mixing ratio meter for powders
JPS57132171A (en) * 1981-02-09 1982-08-16 Fujitsu Ltd Detector of toner density

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