发明授权
- 专利标题： Web-reading system with replaceable drum
- 专利标题（中）： 具有可更换墨盒的WEB阅读系统
-
申请号： US29696172申请日： 1972-10-12
-
公开(公告)号： US3835300A公开(公告)日： 1974-09-10
- 发明人: DONNER S
- 申请人： KLEINDIENST & CO
- 专利权人： Kleindienst & Co
- 当前专利权人： Kleindienst & Co
- 优先权： DE2158302 1971-11-24
- 主分类号： G06K13/02
- IPC分类号： G06K13/02 ; B07C3/14 ; G06K7/01 ; G06K13/05 ; G06K7/10
摘要：
The invention relates to a drum which is removable from conveying means in an optical or electronic reading system for documents, the drum having means for mounting on its surface a test document so that when the drum is replaced in the conveying means the test document can be constantly read whereby faults can be detected or the system can be adjusted.
公开/授权文献
- USD942812S1 Cooler box 公开/授权日：2022-02-08
信息查询
