发明名称 |
Lens and production method therefor |
摘要 |
A lens made of at least one of a resin and glass includes a lens effective diameter area, a peripheral area formed integral with the lens effective diameter area and located at a periphery of the lens effective diameter area, and at least one marker area located in the peripheral area and formed on a circle whose center is a center of the lens effective diameter area.
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申请公布号 |
US6529339(B2) |
申请公布日期 |
2003.03.04 |
申请号 |
US20010940675 |
申请日期 |
2001.08.29 |
申请人 |
PIONEER CORPORATION |
发明人 |
MAEDA TAKANORI;KOIKE KATSUHIRO;KIKUCHI IKUYA;SATO MAKOTO |
分类号 |
G02B7/02;G02B3/00;(IPC1-7):G02B7/02;G02B3/02 |
主分类号 |
G02B7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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