发明授权
- 专利标题: Method for marking an indication to the lens
- 专利标题(中): 用于标记镜片的指示的方法
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申请号: US102348申请日: 1979-12-11
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公开(公告)号: US4329378A公开(公告)日: 1982-05-11
- 发明人: Niro Tarumi , Makoto Tsuchiya , Kunio Sasaki
- 申请人: Niro Tarumi , Makoto Tsuchiya , Kunio Sasaki
- 申请人地址: JPX Tokyo
- 专利权人: Kabushiki Kaisha Hoya Lens (Hoya Lens Corporation)
- 当前专利权人: Kabushiki Kaisha Hoya Lens (Hoya Lens Corporation)
- 当前专利权人地址: JPX Tokyo
- 主分类号: B29D11/00
- IPC分类号: B29D11/00 ; B41M1/30 ; B41M3/06 ; G02B1/04 ; G02C7/02 ; B05D5/06
摘要:
Plastic eyeglass lenses and the like are marked with an identifying character or symbol by applying to the surface thereof or dissolving or comelting therein a flourescent dyestuff according to the disclosed method. When the proper amount of flourescent dyestuff is included the lens appears normal in sunlight but is characteristically marked in whole or in part under ultraviolet light depending on the area treated.
公开/授权文献
- US5999559A Radio receiver for spread spectrum signal 公开/授权日:1999-12-07