Invention Application
- Patent Title: Keyboard and membrane switch for keyboard
- Patent Title (中): 键盘和薄膜开关
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Application No.: US11543905Application Date: 2006-10-06
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Publication No.: US20070209920A1Publication Date: 2007-09-13
- Inventor: Masahiro Yanagi , Shigemi Kurashima , Hideki Iwata , Takashi Yuba , Masahiro Kaneko , Yuriko Segawa , Takashi Arita
- Applicant: Masahiro Yanagi , Shigemi Kurashima , Hideki Iwata , Takashi Yuba , Masahiro Kaneko , Yuriko Segawa , Takashi Arita
- Applicant Address: JP Tokyo
- Assignee: FUJITSU COMPONENT LIMITED
- Current Assignee: FUJITSU COMPONENT LIMITED
- Current Assignee Address: JP Tokyo
- Priority: JP2006-066441 20060310
- Main IPC: H01H13/72
- IPC: H01H13/72

Abstract:
A disclosed keyboard includes a housing with a base member, a top plane member, and a membrane switch installed inside the housing. The membrane switch has a first resin sheet, a second resin sheet, and a spacer resin sheet arranged between the first and second resin sheets. The membrane switch includes a UWB flat antenna that has an antenna element pattern formed on the first resin sheet, a microwave transmission line extending from the antenna element pattern, and a ground pattern arranged in a position facing the antenna element pattern.
Public/Granted literature
- US07394039B2 Keyboard and membrane switch for keyboard Public/Granted day:2008-07-01
Information query