发明名称 |
Key switch improved in feel of actuation and return speed during operation by finger |
摘要 |
Disclosed is a key switch in which a stem extending from a key top is slidably inserted into a seat formed on a housing; and longitudinal grooves extending in the direction of the axis X of reciprocating movement of the stem are formed in the circumferential surface of the stem which is in contact with the inner surface of the seat.
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申请公布号 |
US6455795(B1) |
申请公布日期 |
2002.09.24 |
申请号 |
US19990407398 |
申请日期 |
1999.09.29 |
申请人 |
ALPS ELECTRIC CO., LTD. |
发明人 |
MURAKAMI TAKAHIRO;ITO HIDEKI |
分类号 |
G06F3/02;H01H13/14;(IPC1-7):H01H3/04;H01H3/20 |
主分类号 |
G06F3/02 |
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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