发明名称 Portable digital image and sound recording device of structural improvement
摘要 A portable digital image and sound recording device of structural improvement comprising: a main body and a control unit; wherein a transfer interface is installed in or connected with the main body at a proper position for transferring data, a control unit is set inside main body and connected with the transfer interface for transferring the recorded data of main body to external storage device to be stored as backup data.
申请公布号 US2004130633(A1) 申请公布日期 2004.07.08
申请号 US20030434226 申请日期 2003.05.09
申请人 LIU WEN-TSUNG 发明人 LIU WEN-TSUNG
分类号 H04N5/225;H04N5/77;(IPC1-7):H04N5/76 主分类号 H04N5/225
代理机构 代理人
主权项
地址