发明授权
US07489777B2 Electronic device having operation keys that display images with switchable display directions
有权
电子设备具有显示具有可切换显示方向的图像的操作键
- 专利标题： Electronic device having operation keys that display images with switchable display directions
- 专利标题（中）： 电子设备具有显示具有可切换显示方向的图像的操作键
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申请号： US11465567申请日： 2006-08-18
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公开(公告)号： US07489777B2公开(公告)日： 2009-02-10
- 发明人: Shunpei Yamazaki , Jun Koyama , Yu Yamazaki
- 申请人： Shunpei Yamazaki , Jun Koyama , Yu Yamazaki
- 申请人地址： JP Atsugi-shi, Kanagawa-ken
- 专利权人： Semiconductor Energy Laboratory Co., Ltd.
- 当前专利权人： Semiconductor Energy Laboratory Co., Ltd.
- 当前专利权人地址： JP Atsugi-shi, Kanagawa-ken
- 代理机构： Fish & Richardson P.C.
- 优先权： JP2000-080973 20000322
- 主分类号： H04M1/00
- IPC分类号： H04M1/00 ; G09G3/32 ; G09G3/36 ; G09G5/00
摘要：
An easy to use electronic device is provided. The electronic device functions as a telephone and has a display portion, an audio input portion, an audio output portion, and operation keys. The display portion has a passive element, and the operation keys have LEDs. The direction of an image displayed by the LEDs is switchable.
公开/授权文献
- US20070063985A1 Electronic Device 公开/授权日：2007-03-22
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