您的位置: 首页 > 农业专利 > 详情页

Animated security device for a document
专利权人:
Innovia Security Pty Ltd
发明人:
申请号:
GB20170007456
公开号:
GB201707456(D0)
申请日:
2015.11.13
申请国别(地区):
英国
年份:
2017
代理人:
摘要:
Optical device, and preferably a security device for a security document, and methods for the production thereof, the device including a diffractive optical element (DOE) including a plurality of subregions, wherein each subregion is configured to produce a projected image corresponding to a frame of an animation, wherein the animation includes both a static component and a variable component, and wherein the sub-regions are arranged such that when the DOE is illuminated by a point light source and moved in at least one direction, the animation is viewable as a projected image.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充