发明名称 Wristwatch with integral and variable numerical conversion facilities, useful for converting currencies
摘要 Wristwatch has a conventional time display using hands (9,10) and graduated face (7,8), and in addition, two liquid crystal displays (12,13) which show a first and second currency values (A,B) to values of decimals set by push buttons (23,24). A further push button (20) enters the conversion factor and a sliding ring (14) enters the first currency value for an electronic circuit to calculate the second value and display it.
申请公布号 FR2777363(A1) 申请公布日期 1999.10.15
申请号 FR19980004622 申请日期 1998.04.14
申请人 PHILIPS FREDERIC 发明人
分类号 G04B47/00 主分类号 G04B47/00
代理机构 代理人
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