发明名称 |
APPARATUS FOR EMITTING AN RECEIVING LIGHT SIGNALS, MORE PARTICULARLY INFRARED SIGNALS |
摘要 |
There serves to emit light signals, more particularly infrared signals, and to receive such signals, an apparatus in which a light emitting arrangement (15) and a light receiving arrangement (20) are arranged in or behind a plate (32) which is translucent or transparent to said light signals or infrared signals. At least one surface of the plate (32) has such a finish between the light emitting arrangement (15) and the light receiving arrangement (20) that light rays are impeded or prevented from being passed on within the plate (32). |
申请公布号 |
EP0152597(A3) |
申请公布日期 |
1988.01.07 |
申请号 |
EP19840115444 |
申请日期 |
1984.12.14 |
申请人 |
SONY CORPORATION |
发明人 |
YAMAMOTO, KOICHI;FUJIOKA, YOSHIHISA |
分类号 |
G02B6/24;G02B6/42;H04B10/00;H04B10/11;H04B10/114;H04B10/2507;H04N5/00 |
主分类号 |
G02B6/24 |
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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