发明授权
- 专利标题： Portable electronic device having variable focus display
- 专利标题（中）： 具有可变焦点显示的便携式电子设备
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申请号： US09543505申请日： 2000-04-06
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公开(公告)号： US06404563B1公开(公告)日： 2002-06-11
- 发明人: Marc H. Wildy
- 申请人： Marc H. Wildy
- 主分类号： G02B310
- IPC分类号： G02B310
摘要：
A portable electronic device having a variable focus display comprises a housing (512), supporting an image generating apparatus (518, 610, 710, 810), a lens (514, 612, 712, 812), and an optical element (520, 620, 720, 730, 820). The optical element has zero optical power and is located along an optical axis between the image generating apparatus and the lens.
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