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:
Feb. 08, 2011
Filed:
Mar. 06, 2008
Kazuhiro Mizuo, Kashihara, JP;
Kazuhiro Mizuo, Kashihara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
The photoelectric smoke sensor includes a casing memberhaving an internal space S formed by a labyrinth walland an openingcommunicating with the internal space S on a setting-face side; and a printed boardplaced on the setting-face side of the casing memberand having a holeopposed to the openingof the casing member. The light emitting elementand the light receiving elementare mounted on the printed boardin such a fashion that the optical axes of the light emitting elementand the light receiving elementcross each other on one plane that is substantially parallel to an opening plane of the opening. The photoelectric smoke sensor can be reduced in both size and cost with a simple construction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile