JPS62102162U - - Google Patents
Info
- Publication number
- JPS62102162U JPS62102162U JP19466385U JP19466385U JPS62102162U JP S62102162 U JPS62102162 U JP S62102162U JP 19466385 U JP19466385 U JP 19466385U JP 19466385 U JP19466385 U JP 19466385U JP S62102162 U JPS62102162 U JP S62102162U
- Authority
- JP
- Japan
- Prior art keywords
- concentration sensor
- thermoplastic resin
- toner concentration
- bobbin
- detection head
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 229920005992 thermoplastic resin Polymers 0.000 claims description 6
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000003302 ferromagnetic material Substances 0.000 claims description 2
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Dry Development In Electrophotography (AREA)
Description
図はトナー濃度センサー用検出ヘツドを示す要
部縦断面図である。
１：ボビン、３ａ〜３ｃ：コイル、４：外周コ
ア。
The figure is a longitudinal cross-sectional view of a main part showing a detection head for a toner concentration sensor. 1: bobbin, 3a to 3c: coil, 4: outer core.
補正 昭６１．１．２４
実用新案登録請求の範囲を次のように補正する
。Amendment January 24, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 中心部に調整用ねじコアを設けたボビンに
、差動トランスを構成するコイルを巻装し、強磁
性体粉末と熱可塑性樹脂からなるコアを前記コイ
ル外周に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) 強磁性体粉末と熱可塑性樹脂との割合が重
量比で２０／８０〜９５／５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。
(3) 強磁性体がバリウムフエライトおよび熱可
塑性樹脂がポリエチレンである実用新案登録請求
の範囲第１項若しくは第２項記載のトナー濃度セ
ンサー用検出ヘツド。[Claims for Utility Model Registration] (1) A coil constituting a differential transformer is wound around a bobbin having an adjusting screw core in the center, and a core made of ferromagnetic powder and thermoplastic resin is wrapped around a bobbin. A detection head for a toner concentration sensor characterized by being provided on the outer periphery. (2) The detection head for a toner concentration sensor according to claim 1, wherein the ratio of the ferromagnetic powder to the thermoplastic resin is from 20/80 to 95/5 by weight. (3) The detection head for a toner concentration sensor according to claim 1 or 2, wherein the ferromagnetic material is barium ferrite and the thermoplastic resin is polyethylene.
Claims (1)
、差動トランスを構成するコイルを巻装し、強磁
性体粉末と熱可塑性樹脂からなるコアを前記コイ
ル外周に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) 強磁性体粉末と熱可塑性樹脂との割合が重
量比で２０／０８〜９５／５である実用案登録請
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。 (3) 強磁性体がバリウムフエライトおよび熱可
塑性樹脂がポリエチレンである実用新案登録請求
の範囲第１項若しくは第２項記載のトナー濃度セ
ンサー用ヘツド。[Claims for Utility Model Registration] (1) A coil constituting a differential transformer is wound around a bobbin having an adjusting screw core in the center, and a core made of ferromagnetic powder and thermoplastic resin is wrapped around a bobbin. A detection head for a toner concentration sensor characterized by being provided on the outer periphery. (2) The detection head for a toner concentration sensor according to claim 1, wherein the ratio of the ferromagnetic powder to the thermoplastic resin is from 20/08 to 95/5 by weight. (3) The head for a toner concentration sensor according to claim 1 or 2, wherein the ferromagnetic material is barium ferrite and the thermoplastic resin is polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19466385U JPS62102162U (en) | 1985-12-18 | 1985-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19466385U JPS62102162U (en) | 1985-12-18 | 1985-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62102162U true JPS62102162U (en) | 1987-06-29 |
Family
ID=31151838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19466385U Pending JPS62102162U (en) | 1985-12-18 | 1985-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62102162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0546005U (en) * | 1991-04-26 | 1993-06-18 | テイーデイーケイ株式会社 | Toner sensor transformer |
-
1985
- 1985-12-18 JP JP19466385U patent/JPS62102162U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0546005U (en) * | 1991-04-26 | 1993-06-18 | テイーデイーケイ株式会社 | Toner sensor transformer |
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