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    • 3. 发明授权
    • Developing device and image forming apparatus
    • 显影装置和图像形成装置
    • US08126379B2
    • 2012-02-28
    • US12480070
    • 2009-06-08
    • Toru HayaseYuusuke OkunoShigeki YamamotoKuniya MatsuuraHiroshi Murasaki
    • Toru HayaseYuusuke OkunoShigeki YamamotoKuniya MatsuuraHiroshi Murasaki
    • G03G15/08G03G15/09
    • G03G15/0921G03G2215/0609
    • The present invention provides a developing device which is capable of suppressing the generation of a fogging phenomenon and deposition of carrier particles to an electrostatic latent image carrier and developing the electrostatic latent image efficiently, the device includes a development sleeve and a magnet body onto which the sleeve is fitted, and using a two-component developer. An angular position which indicates the peak value of the magnetic flux density in the normal direction produced by a development pole of the magnet body is shifted downstream from the center position of the development pole in the direction of movement of the surface of a photosensitive member in a development region. The present invention also provides an image forming apparatus which can form high-quality images with reduced noise such as fogging by mounting the developing device.
    • 本发明提供了能够抑制雾化现象的产生和载体颗粒沉积到静电潜像载体上并有效地显影静电潜像的显影装置,该装置包括显影套筒和磁体, 套筒,并使用双组分显影剂。 指示由磁体的显影极产生的在正常方向上的磁通密度的峰值的角度位置在显影极的中心位置的下游沿着感光构件的表面的移动方向 一个开发区域。 本发明还提供一种图像形成装置,其可以通过安装显影装置来形成具有降低的噪声(例如起雾)的高质量图像。
    • 5. 发明申请
    • DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
    • 开发设备和图像形成装置
    • US20090311011A1
    • 2009-12-17
    • US12480070
    • 2009-06-08
    • Toru HAYASEYuusuke OkunoShigeki YamamotoKuniya MatsuuraHiroshi Murasaki
    • Toru HAYASEYuusuke OkunoShigeki YamamotoKuniya MatsuuraHiroshi Murasaki
    • G03G15/09
    • G03G15/0921G03G2215/0609
    • The present invention provides a developing device which is capable of suppressing the generation of a fogging phenomenon and deposition of carrier particles to an electrostatic latent image carrier and developing the electrostatic latent image efficiently, the device comprising a development sleeve and a magnet body onto which the sleeve is fitted, and using a two-component developer. An angular position which indicates the peak value of the magnetic flux density in the normal direction produced by a development pole of the magnet body is shifted downstream from the center position of the development pole in the direction of movement of the surface of a photosensitive member in a development region. The present invention also provides an image forming apparatus which can form high-quality images with reduced noise such as fogging by mounting the developing device.
    • 本发明提供一种显影装置,其能够抑制雾化现象的产生和载体颗粒沉积到静电潜像载体上并有效地显影静电潜像,该装置包括显影套筒和磁体, 套筒,并使用双组分显影剂。 指示由磁体的显影极产生的在正常方向上的磁通密度的峰值的角度位置在显影极的中心位置的下游沿着感光构件的表面的移动方向 一个开发区域。 本发明还提供一种图像形成装置,其可以通过安装显影装置来形成具有降低的噪声(例如起雾)的高质量图像。