| 发明名称 |
NON-HEAVY METAL OPTICAL BANDPASS FILTER IN ELECTRO-OPTICAL READERS |
| 摘要 |
Heavy metals such as cadmium are not employed in optical bandpass filters employed in electro-optical readers to comply with governmental regulations concerning endangering the environment.
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| 申请公布号 |
US2007057162(A1) |
申请公布日期 |
2007.03.15 |
| 申请号 |
US20050225321 |
申请日期 |
2005.09.13 |
| 申请人 |
BARKAN EDWARD;SHI DAVID T;GUREVICH VLADIMIR |
发明人 |
BARKAN EDWARD;SHI DAVID T.;GUREVICH VLADIMIR |
| 分类号 |
H01J3/14 |
主分类号 |
H01J3/14 |
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