发明名称 |
LIGHT TRANSMITTING AND/OR RECEIVING DEVICE |
摘要 |
A photoelectric switch comprising a housing which encloses at least a light emitting element or a light responsive element. The housing consists of two opaque plastic shells welded to each other by ultrasonic welding and a window means of transparent plastic simultaneously welded to the shells by said ultrasonic welding. The window means is formed and attached to the shells in such a manner that it includes no peripheral portion which is in parallel with the direction of ultrasonic welding pressure. |
申请公布号 |
GB1590248(A) |
申请公布日期 |
1981.05.28 |
申请号 |
GB19780009184 |
申请日期 |
1978.03.08 |
申请人 |
OMRON TATEISI ELECTRONICS CO |
发明人 |
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分类号 |
H01H35/00;B29C53/00;B29C65/00;B29C65/08;G08B13/181;H01L31/16;H03K17/94 |
主分类号 |
H01H35/00 |
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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