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.

Date of Patent:
Dec. 17, 2013

Filed:

Dec. 17, 2008
Applicants:

Kensuke Murata, Fukuoka-ken, JP;

Masayuki Nagaishi, Fukuoka-ken, JP;

Katsuhisa Tsuchiya, Fukuoka-ken, JP;

Shoichi Tsuiki, Fukuoka-ken, JP;

Masami Tsujita, Fukuoka-ken, JP;

Hiroshi Tsuboi, Fukuoka-ken, JP;

Inventors:

Kensuke Murata, Fukuoka-ken, JP;

Masayuki Nagaishi, Fukuoka-ken, JP;

Katsuhisa Tsuchiya, Fukuoka-ken, JP;

Shoichi Tsuiki, Fukuoka-ken, JP;

Masami Tsujita, Fukuoka-ken, JP;

Hiroshi Tsuboi, Fukuoka-ken, JP;

Assignee:

Toto Ltd., Fukuoka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 7/00 (2006.01); E03C 1/05 (2006.01); F16K 31/02 (2006.01);
U.S. Cl.
CPC ...
E03C 1/05 (2013.01);
Abstract

A water discharge system capable of preventing a mistaken detection to surely perform the stop of water discharge or continue the start of water discharge is provided. The water discharge system includes: a water discharge unit; a sensor unit configured to obtain information about an object to be detected through a reflected wave of a radiated radio wave; a control unit configured to control the start of water discharge from the water discharge unit based on a detective signal from the sensor unit; and a storage mechanics. The sensor unit is installed so that at least part of a radiated radio wave comes into contact with a discharged water flow discharged from the water discharge unit and receives the reflected wave reflected by the discharged water flow, and the control unit determines a state of the discharged water flow by checking a relationship between a first threshold set larger than amplitude of oscillation around a reference value of the detective signal in a water flow state in which only the start of water discharge from the water discharge unit is performed and amplitude of the detective signal received by the sensor unit.


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