发明名称 Carry-on device having functions of both digital photographing and timing
摘要 The invention disclosed a carry-on device having functions of both digital photographing and timing, which is characterized in that a Super Twisted-Nematic liquid crystal display and a Twisted-Nematic liquid crystal display are used to display data and time, respectively, and two separate batteries are provided to power these two displays so as to achieve an effect of increasing the power efficiency.
申请公布号 US2004051686(A1) 申请公布日期 2004.03.18
申请号 US20020244743 申请日期 2002.09.17
申请人 WENG YUAN-SUNG 发明人 WENG YUAN-SUNG
分类号 G09G3/36;H04N1/00;(IPC1-7):G09G3/36 主分类号 G09G3/36
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