发明名称 |
Key switch |
摘要 |
A key switch includes an elastic member having a circular open end and a membrane sheet on which the elastic member is disposed. The membrane sheet includes two flexible sheets and an insulating resin sheet sandwiched between them. The insulating sheet includes an opening, which has a shape different from that of the open end.
|
申请公布号 |
US6541724(B2) |
申请公布日期 |
2003.04.01 |
申请号 |
US20020150959 |
申请日期 |
2002.05.21 |
申请人 |
OKI ELECTRIC INDUSTRY CO., LTD. |
发明人 |
NOZAWA YUICHIRO;TOZUKA ZENZO |
分类号 |
G06F3/02;H01H13/26;H01H13/70;H01H13/703;H01H13/712;(IPC1-7):H01H13/70 |
主分类号 |
G06F3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|