JPS6311657U - - Google Patents
Info
- Publication number
- JPS6311657U JPS6311657U JP10511586U JP10511586U JPS6311657U JP S6311657 U JPS6311657 U JP S6311657U JP 10511586 U JP10511586 U JP 10511586U JP 10511586 U JP10511586 U JP 10511586U JP S6311657 U JPS6311657 U JP S6311657U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic member
- detection device
- developer detection
- member provided
- coil
- 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 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は、本実施例の現像剤検知装置を含む現
像装置の構成図、第２図は、本実施例の現像剤検
知装置の回路図、第３図は、他の実施例の現像剤
検知装置を含む現像装置の構成図である。
１１……磁路形成部材、１２，２０……コア、
１３，２１……コイル、１４……発振回路、１５
……比較器、１８……ＣＰＵ。
FIG. 1 is a block diagram of a developing device including a developer detection device of this embodiment, FIG. 2 is a circuit diagram of a developer detection device of this embodiment, and FIG. 3 is a diagram of a developer of another embodiment. FIG. 2 is a configuration diagram of a developing device including a detection device. 11... Magnetic path forming member, 12, 20... Core,
13, 21... Coil, 14... Oscillation circuit, 15
... Comparator, 18 ... CPU.
Claims (1)
置の現像剤検知装置において、 現像装置の壁面に設けられた第１の磁性部材と
、前記本体装置に前記現像装置が装着された際、
前記第１の磁性部材と共に本体装置側の磁路を形
成する位置に設けられた第２の磁性部材と、該第
２の磁性部材に巻きつけられたコイルと、該コイ
ルを制御する制御回路とを有することを特徴とす
る現像剤検知装置。[Claims for Utility Model Registration] A developer detection device for a developing device configured to be removably attached to a main device, comprising: a first magnetic member provided on a wall surface of the developing device; When the is installed,
a second magnetic member provided at a position forming a magnetic path on the main device side together with the first magnetic member; a coil wound around the second magnetic member; and a control circuit for controlling the coil. A developer detection device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10511586U JPS6311657U (en) | 1986-07-08 | 1986-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10511586U JPS6311657U (en) | 1986-07-08 | 1986-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6311657U true JPS6311657U (en) | 1988-01-26 |
Family
ID=30979240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10511586U Pending JPS6311657U (en) | 1986-07-08 | 1986-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6311657U (en) |
-
1986
- 1986-07-08 JP JP10511586U patent/JPS6311657U/ja active Pending
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