JPS5958459U - Toner concentration detection device - Google Patents
Toner concentration detection deviceInfo
- 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
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Dry Development In Electrophotography (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
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)
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.
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)
| 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 |
-
1982
- 1982-10-13 JP JP15465782U patent/JPS5958459U/en active Pending
Patent Citations (2)
| 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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