发明授权
- 专利标题： Electronic blackboard having image display and print functions
- 专利标题（中）： 具有图像显示和打印功能的电子黑板
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申请号： US447078申请日： 1989-12-07
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公开(公告)号： US4953031A公开(公告)日： 1990-08-28
- 发明人: Naoya Katoh , Koichiro Kakinuma , Tohru Naganuma , Makoto Ando , Osamu Majima
- 申请人： Naoya Katoh , Koichiro Kakinuma , Tohru Naganuma , Makoto Ando , Osamu Majima
- 申请人地址： JPX Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX63-310669 19881208; JPX1-197797 19890729
- 主分类号： G03G15/20
- IPC分类号： G03G15/20 ; G03G15/22 ; G09G3/00
摘要：
An electrostatic blackboard having an image display function for displaying on an electrostatically recordable blackboard display a visible toner image converted from an electrostatic latent image formed on the backboard by an electrostatic recording head includes copying apparatus for transfering the visible image on the blackboard to a large-size paper sheet. A semi-permanent latent image toner fusing operation is provided to create a semi-permanent visible image, yet permit easy erasing.
公开/授权文献
- US5489013A Two speed alternatively engaging clutch/brake transmission 公开/授权日：1996-02-06
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