Invention Grant
- Patent Title: Pressure detector and electronic apparatus having the same
- Patent Title (中): 压力检测器和具有该检测器的电子设备
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Application No.: US12457989Application Date: 2009-06-26
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Publication No.: US07958784B2Publication Date: 2011-06-14
- Inventor: Kouhei Chouraku , Yasushi Yui , Shingo Yamaguchi , Satoshi Kanbayashi , Hayato Shida , Yasuhiro Ite
- Applicant: Kouhei Chouraku , Yasushi Yui , Shingo Yamaguchi , Satoshi Kanbayashi , Hayato Shida , Yasuhiro Ite
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Staas & Halsey LLP
- Main IPC: G01L7/00
- IPC: G01L7/00
Abstract:
A pressure detector configured to detect a predetermined pressure includes a housing having a concave that includes a perforation hole that perforates the housing, a sheet configured to cover the concave and to rupture when placed in an environment of the predetermined pressure or higher, and a semipermeable membrane configured to cover one end of the perforation hole, and to allow air to pass through the semipermeable membrane, the semipermeable membrane being configured to prevent water from passing through the semipermeable membrane.
Public/Granted literature
- US20090272195A1 Pressure detector and electronic apparatus having the same Public/Granted day:2009-11-05
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