发明名称 |
Optical reader |
摘要 |
An optical reader which comprises: at least one yellow LED array as a light source for lighting original material; an optical lens or fibers for guiding the light reflected from the original material; and an image sensor which changes the reflected light to signal waves. In embodiments of the reader, the light source includes both a yellow LED array and a green LED array with colored filters either provided over the LED arrays or on the optical lens or fibers.
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申请公布号 |
US4471384(A) |
申请公布日期 |
1984.09.11 |
申请号 |
US19820392174 |
申请日期 |
1982.06.25 |
申请人 |
FUJITSU LIMITED |
发明人 |
SATO, MASUJI;YAMADA, FUMIAKI;NAKA, TOSHIAKI |
分类号 |
H04N1/031;(IPC1-7):H04N1/12 |
主分类号 |
H04N1/031 |
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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