| 发明名称 |
MAGNETIC PERMEABILITY DETECTOR, DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND OSCILLATION SIGNAL FREQUENCY CALCULATION METHOD THEREFOR |
| 摘要 |
A magnetic permeability detector includes an LC oscillator circuit including a coil and a capacitor; and a resistor connected in series with the coil. |
| 申请公布号 |
US2016041497(A1) |
申请公布日期 |
2016.02.11 |
| 申请号 |
US201514886986 |
申请日期 |
2015.10.19 |
| 申请人 |
Hirota Tetsuro;Hosokawa Hiroshi;katoh Shunji;Yamane Masayuki;Watanabe Masahiro;Nishizaki Shingo |
发明人 |
Hirota Tetsuro;Hosokawa Hiroshi;katoh Shunji;Yamane Masayuki;Watanabe Masahiro;Nishizaki Shingo |
| 分类号 |
G03G15/08 |
主分类号 |
G03G15/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A developing device comprising:
a developer container to contain a developer; a developer density detector to detect a density of the developer in the developer container, the developer density detector being attached to the developer container by an adhesive layer, wherein the adhesive layer covers at least a detecting portion of the developer density detector; and an open portion to receive a tool to apply force to the developer density detector to remove the developer density detector. |
| 地址 |
Kanagawa JP |
