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公开(公告)号：US11761188B2
公开(公告)日：2023-09-19
申请号：US17464950
申请日：2021-09-02
Applicant: TOTO LTD.
Inventor： Motoki Kobayashi , Yuya Masahira , Yuichi Kawasaki
Abstract: According to the embodiment, a toilet device includes a toilet, a flow channel, a wash water supply unit a sensing unit and a controller. The sensing unit is configured to sense whether or not the wash water is at a position lower than a full water level and higher than a sealing water level on a surface of a bowl of the toilet. The controller is configured to determine a clogging state of the toilet based on a sensing result of the sensing unit following the closing of the wash water supply unit. A sensing region of the sensing unit is a position on the surface of the bowl through which the wash water flowing in a vertical direction from a water discharge port of the flow channel to a bottom portion of the bowl passes after the wash water supply unit is closed.
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Patent Agency Ranking
公开(公告)号：US11697932B2
公开(公告)日：2023-07-11
申请号：US16568039
申请日：2019-09-11
Applicant: TOTO LTD.
Inventor： Shoichi Tsuiki , Motoki Kobayashi , Yuya Masahira
Abstract: According to an embodiment, a toilet device includes a detector configured to detect at least one of a water level inside a flush toilet or an indicator associated with the water level, a clog determiner determining a clog state of the flush toilet based on a detection result of the detector, and a controller determining, based on a determination result of the clog determiner, whether or not to prohibit a flushing water supply to the flush toilet. The controller sets a flush prohibition time at least after the flushing water supply to the flush toilet has ended. A flush operation for flushing the flush toilet not is accepted temporarily in the flush prohibition time. The clog determiner determines the clog state of the flush toilet based on the detection result of the detector within the flush prohibition time or directly after the flush prohibition time.
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公开(公告)号：US20250072777A1
公开(公告)日：2025-03-06
申请号：US18814624
申请日：2024-08-26
Applicant: TOTO LTD.
Inventor： Masaya Nakata , Motoki Kobayashi , Shotaro Wada , Yoshiyuki Kaneko
Abstract: A sensor device includes a laser blood flow sensor and a control device. The laser blood flow sensor is provided in a toilet room and acquires biological information that includes blood flow information of a user. The control device controls the laser blood flow sensor. The control device determines presence or absence of a human body, based on information that is acquired by the laser blood flow sensor.
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公开(公告)号：US20250072776A1
公开(公告)日：2025-03-06
申请号：US18786673
申请日：2024-07-29
Applicant: TOTO LTD.
Inventor： Masaya Nakata , Yoshiyuki Kaneko , Shotaro Wada , Motoki Kobayashi , Yusuke Motoda
Abstract: A sensor unit includes a light emitting element that emits light toward an object, two light receiving elements that receive light from the object, and a transmissive window that is disposed between the light emitting element and the object and transmits light emitted from the light emitting element. The two light receiving elements are disposed so as to be positioned on a circle concentric with the light emitting element and to be positioned in a range of less than 180 degrees around the light emitting element.
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公开(公告)号：US11466440B2
公开(公告)日：2022-10-11
申请号：US16888981
申请日：2020-06-01
Applicant: TOTO LTD.
Inventor： Motoki Kobayashi , Shoichi Tsuiki , Yuya Masahira , Hirofumi Nagatomi , Yasuo Nambu
Abstract: According to the embodiment, a toilet device includes a detector and a controller. The detector is detecting whether or not flush water is at a position lower than a full level and higher than a seal level at a surface of a bowl of a flush toilet. The controller is determining a clog state of the flush toilet based on a detection result of the detector after a flush water supplier is closed. The flush water supplier is located in a flow channel discharging flush water into the bowl. The position of the detection region of the detector at the surface of the bowl is separated from flush water flowing in a vertical direction from a water discharge port of the flow channel toward a bottom portion of the bowl after the flush water supplier is closed.
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公开(公告)号：US20210062490A1
公开(公告)日：2021-03-04
申请号：US16888981
申请日：2020-06-01
Applicant: TOTO LTD.
Inventor： Motoki Kobayashi , Shoichi Tsuiki , Yuya Masahira , Hirofumi Nagatomi , Yasuo Nambu
Abstract: According to the embodiment, a toilet device includes a detector and a controller. The detector is detecting whether or not flush water is at a position lower than a full level and higher than a seal level at a surface of a bowl of a flush toilet. The controller is determining a clog state of the flush toilet based on a detection result of the detector after a flush water supplier is closed. The flush water supplier is located in a flow channel discharging flush water into the bowl. The position of the detection region of the detector at the surface of the bowl is separated from flush water flowing in a vertical direction from a water discharge port of the flow channel toward a bottom portion of the bowl after the flush water supplier is closed.
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