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发明名称
Electronic billboard
摘要
An electronic billboard sign is provided in which electro-micro circuitry programming is utilized to display advertising information onto a large front billboard screen by a large moveable lens.
申请公布号
US5257017(A)
申请公布日期
1993.10.26
申请号
US19920843270
申请日期
1992.02.27
申请人
JONES, BRUCE;SPECTOR, GEORGE
发明人
JONES, BRUCE;SPECTOR, GEORGE
分类号
G02B7/10;G09F19/18;(IPC1-7):G09G1/08
主分类号
G02B7/10
代理机构
代理人
主权项
地址
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