发明名称 Hand-held electronic device with hidden keyboard
摘要 A hand-held electronic device with a hidden keyboard, especially for small size electronic devices with a display screen (such as PDAs, mobile phones, etc), provides a keyboard coupling design to allow a retractable keyboard retreated and hidden inside a device body of the electronic device when not in use, and pulled out for data entry when in use.
申请公布号 US2003095375(A1) 申请公布日期 2003.05.22
申请号 US20010989417 申请日期 2001.11.21
申请人 LAI CHENG-SHING;PAN HAO 发明人 LAI CHENG-SHING;PAN HAO
分类号 G06F1/16;H04M1/02;H04M1/23;(IPC1-7):G06F1/16 主分类号 G06F1/16
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