发明名称 Time piece with changable color face
摘要 A timepiece that has an LCD face that changes color when the time changes between the A.M. and the P.M. to provide a pleasing esthetic appearance to the user. Further, the timepiece may have a manual control such as a button that may be depressed to cause the LCD face to change to any one of several colors as desired by the user.
申请公布号 US2002054541(A1) 申请公布日期 2002.05.09
申请号 US20010925763 申请日期 2001.08.09
申请人 HALL ALFRED E. 发明人 HALL ALFRED E.
分类号 G04G9/00;(IPC1-7):G04C19/00 主分类号 G04G9/00
代理机构 代理人
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