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:
Oct. 08, 2013
Filed:
Dec. 15, 2010
Shinji Kobayashi, Yokohama, JP;
Norimitsu Abe, Kawasaki, JP;
Takahiro Soma, Kawasaki, JP;
Akihiko Shirota, Hachioji, JP;
Shinji Kobayashi, Yokohama, JP;
Norimitsu Abe, Kawasaki, JP;
Takahiro Soma, Kawasaki, JP;
Akihiko Shirota, Hachioji, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, an ultraviolet irradiation system that sterilizes, disinfects, and inactivates raw water such as city water or underground water, includes a plurality of ultraviolet irradiation devices connected in series, and a controller configured to control output and non-output of the ultraviolet irradiation devices. The ultraviolet irradiation device includes a water processing vessel through which the raw water flows, an ultraviolet lamp configured to irradiate the raw water in the water processing vessel with ultraviolet rays, and an ultraviolet sensor configured to measure an amount of ultraviolet rays emitted from the ultraviolet lamp.