发明申请
- 专利标题： Grid Image and Method For the Production Thereof
- 专利标题（中）： 网格图像及其制作方法
-
申请号： US11995228申请日： 2006-07-04
-
公开(公告)号： US20080198468A1公开(公告)日： 2008-08-21
- 发明人: Wittich Kaule , Marius Dichtl
- 申请人： Wittich Kaule , Marius Dichtl
- 申请人地址： DE Munich
- 专利权人： GIESECKE & DEVRIENT GMBH
- 当前专利权人： GIESECKE & DEVRIENT GMBH
- 当前专利权人地址： DE Munich
- 优先权： DE102005032997.7 20050714
- 国际申请： PCT/EP2006/006489 WO 20060704
- 主分类号： G02B5/18
- IPC分类号： G02B5/18 ; G03H1/26 ; G02B5/32
摘要：
The present invention relates to a grating image (12) for depicting at least one unscreened halftone image having multiple brightness levels, the grating image exhibiting multiple grating fields (22-1, 22-2, 22-3) that include in each case an electromagnetic-radiation-influencing grating pattern composed of a plurality of grating lines and that, when illuminated, produce in each case an areal region of the halftone image having the same brightness level.
公开/授权文献
- US07986459B2 Grid image and method for the production thereof 公开/授权日：2011-07-26
信息查询
