发明授权
- 专利标题: Eyeglass lenses for correcting color vision
- 专利标题(中): 用于矫正色觉的眼镜镜片
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申请号: US253698申请日: 1999-02-22
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公开(公告)号: US06135595A公开(公告)日: 2000-10-24
- 发明人: Katsuyoshi Takeshita , Kunihiko Yano , Yoshihiko Kasai , Toshiya Otsuki
- 申请人: Katsuyoshi Takeshita , Kunihiko Yano , Yoshihiko Kasai , Toshiya Otsuki
- 申请人地址: JPX Tokyo JPX Tsu
- 专利权人: Seiko Epson Corporation,World Munsell Co., Ltd.
- 当前专利权人: Seiko Epson Corporation,World Munsell Co., Ltd.
- 当前专利权人地址: JPX Tokyo JPX Tsu
- 优先权: JPX10-046039 19980226; JPX10-242359 19980827
- 主分类号: G02C7/02
- IPC分类号: G02C7/02 ; A61F9/00 ; G02B1/04 ; G02B1/11 ; G02B1/115 ; G02B1/14 ; G02B5/22 ; G02C7/10
摘要:
An inexpensive, high-performance, color vision correcting plastic eyeglass lens comprises a partial reflection film for partially reflecting light, or a coloring agent for partially absorbing light, or a combination thereof, so that an intended color vision rectifying spectral characteristic curve can be established in or imparted to the lens.
公开/授权文献
- US4849929A Method of recording in a disk memory and disk memory system 公开/授权日:1989-07-18
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