The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2011
Filed:
Jun. 26, 2009
Kouhei Chouraku, Kawasaki, JP;
Yasushi Yui, Kawasaki, JP;
Shingo Yamaguchi, Kawasaki, JP;
Satoshi Kanbayashi, Kawasaki, JP;
Hayato Shida, Kawasaki, JP;
Yasuhiro Ite, Kawasaki, JP;
Kouhei Chouraku, Kawasaki, JP;
Yasushi Yui, Kawasaki, JP;
Shingo Yamaguchi, Kawasaki, JP;
Satoshi Kanbayashi, Kawasaki, JP;
Hayato Shida, Kawasaki, JP;
Yasuhiro Ite, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
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.