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发明名称
Card multimedia method and system
摘要
A card display comprising a memory storage unit, an electronic paper operable to receive imagery from the memory storage unit, and a battery providing electrical power to the electronic paper and the memory unit.
申请公布号
US2007262158(A1)
申请公布日期
2007.11.15
申请号
US20060432647
申请日期
2006.05.11
申请人
RITCHEY KURTIS J
发明人
RITCHEY KURTIS J.
分类号
G06K19/06
主分类号
G06K19/06
代理机构
代理人
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