Title:
キースイッチ
Document Type and Number:
Japanese Patent JP4562949
Kind Code:
B2
Abstract:
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.
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Inventors:
Zenzo Totsuka
Yuichiro Nozawa
Yuichiro Nozawa
Application Number:
JP2001153877A
Publication Date:
October 13, 2010
Filing Date:
May 23, 2001
Export Citation:
Assignee:
Oki Electric Industry Co., Ltd.
Oki Information Systems Co., Ltd.
Oki Information Systems Co., Ltd.
International Classes:
G06F3/02; H01H13/712; H01H13/26; H01H13/70; H01H13/703
Domestic Patent References:
| JP2000011808A | ||||
| JP60040924U |
Attorney, Agent or Firm:
Koichi Suzuki