公开(公告)号：US4763143A

公开(公告)日：1988-08-09

申请号：US63113

申请日：1987-06-17

申请人： Sayoko Ohba ,  Kenji Okuna ,  Hidefumi Ohtsuka

发明人： Sayoko Ohba ,  Kenji Okuna ,  Hidefumi Ohtsuka

IPC分类号： B41J2/385 ,  G03G15/05 ,  G03G15/09 ,  G03G15/34 ,  G01D15/00

CPC分类号： G03G15/09 ,  G03G15/348 ,  G03G2217/005

摘要： Electromagnetic toner is supplied to the surface of the image development drum formed of a hollow aluminum covered with electric insulation; a permanent magnet is installed in the hollow portion of the image development drum; a recording electrode is provided on the surface side of the image development drum with a small gap formed between the drum surface and the electrode; a voltage is applied between the recording electrode and the image development drum according to the image to be recorded; the image development drum is turned to form a toner image on its surface; and the toner image formed on the drum surface is then transferred onto a recording sheet.

摘要翻译： 将电磁调色剂供给到由覆盖有电绝缘体的中空铝形成的图像显影鼓的表面; 在图像显影鼓的中空部分中安装永磁体; 记录电极设置在图像显影鼓的表面侧，在鼓表面和电极之间形成有小的间隙; 根据要记录的图像在记录电极和图像显影鼓之间施加电压; 图像显影鼓被转动以在其表面上形成调色剂图像; 并且形成在鼓表面上的调色剂图像然后转印到记录片材上。

公开(公告)号：US4777499A

公开(公告)日：1988-10-11

申请号：US152841

申请日：1988-02-05

申请人： Kenji Okuna ,  Hidefumi Ohtsuka ,  Sayoko Ohba ,  Takaomi Nishigaito ,  Katsumi Muroi ,  Tsutomu Iimura ,  Ryoji Kojima

发明人： Kenji Okuna ,  Hidefumi Ohtsuka ,  Sayoko Ohba ,  Takaomi Nishigaito ,  Katsumi Muroi ,  Tsutomu Iimura ,  Ryoji Kojima

IPC分类号： B41J2/385 ,  G01Q80/00 ,  G03G15/05 ,  G03G15/24 ,  G03G15/34 ,  G01D15/10

CPC分类号： B82Y15/00 ,  G03G15/24 ,  G03G15/348 ,  G03G2217/005

摘要： A method and an apparatus for recording an image is disclosed, in which toner is supplied between a conductive recording drum covered with an insulating material and recording electrodes with the forward end thereof with a small gap from the drum and inclined at a great angle upstream of the direction of rotation of the recording drum. A toner carriage force is generated in the toner to flow out downstream by rotation of the recording drum. A permanent magnet is arranged in the recording drum to form a toner chain inclined at a great angle downstream of the recording drum from the forward end of the recording electrodes. The component of the magnetic force of the magnet in the direction of drum movement is balanced with the toner carriage force. Upon application of a recording voltage to the recording electrodes under this condition, the toner of the most downstream toner chain in contact with the drum surface develops a force of adhesion to the recording drum so that the drum rotates downstream with the toner attached thereon, thus forming an image due to the toner on the recording drum.