Toto Ltd.

Masami Tsujita

Shoichi Tsuiki

Yuta Tanogashira

Takeshi Yasugata

Masami Yamanaka

Satoko Morioka

Katsuhisa Tsuchiya

Hiroshi Tsuboi

Kensuke Murata

Masayuki Nagaishi

Tomoyuki Abe

Kenichi Okamoto

Yuji Ota

Naoki Kabe

According to one embodiment, a sanitary washing device includes a main part, a toilet seat, and a sensor. The toilet seat is supported to be rotatable. The sensor is provided in an interior of the main part and uses a radio wave to detect a user in front of the main part. A position of the sensor does not change. In a state in which the toilet seat is closed, the user in front of the main part is detected by the sensor in a first region and a second region higher than the first region. In a state in which the toilet seat is open, the user in front of the main part is detected by the sensor in the first region without the user in front of the main part being detected by the sensor in the second region.

Sanitary washing device

A remote control device according to an embodiment includes an operation button, a generator, an electrical storage part, electronic paper, and a controller. The operation button is for remotely operating a wet-area device. The generator generates electrical power by utilizing energy when the operation button is pressed. The electrical storage part stores the electrical power generated by the generator; the electronic paper displays a setting state of the wet-area device. The controller controls a refresh and a display-switching of the electronic paper by utilizing the electrical power stored in the electrical storage part. The operation button is marked with information showing a function of the operation button. The controller performs the refresh in the case where the function is not realized when the operation button is pressed.

Remote control device

According to one embodiment, a sanitary washing device includes a main part, a toilet lid, and a radio wave sensor. The main part includes a toilet lid opening/closing part including a metal. The toilet lid is pivotally supported by the toilet lid opening/closing part to be rotatable with respect to the main part. The radio wave sensor is provided in an interior of the main part and uses a radio wave to detect a user in front of the main part. The radio wave sensor is positioned further frontward than the toilet lid opening/closing part. At least a part of the radio wave sensor overlaps at least a part of the toilet lid opening/closing part in a horizontal direction.

A remote control device according to an embodiment includes an operation button, a generator, an electrical storage part, electronic paper, and a controller. The operation button is for remotely operating a wet-area device. The generator generates electrical power by utilizing energy when the operation button is pressed. The electrical storage part stores the electrical power. The electronic paper displays a setting state of the wet-area device. The controller controls a refresh and a display-switching of the electronic paper by utilizing the electrical power stored in the electrical storage part. The controller starts the refresh in a first state by performing a first determination determining whether or not the electrical power stored in the electrical storage part is in the first state. The electrical power stored in the electrical storage part in the first state is larger than electrical power necessary to complete the refresh.

According to one embodiment, a sanitary washing device includes a toilet seat, a main part, a radio wave sensor, and a circuit board, wherein the main part is provided at a rear of the toilet seat; the radio wave sensor is provided in an interior of the main part and uses a radio wave to detect a user in front of the main part; and the circuit board includes a metal member and is positioned between the toilet seat and the radio wave sensor in a state in which the toilet seat is closed.

A remote control device according to an embodiment includes an operation button, a generator, an electrical storage part, electronic paper, and a controller. The operation button is for remotely operating a wet-area device. The generator generates electrical power by utilizing energy when the operation button is pressed. The electrical storage part stores the electrical power. The electronic paper displays a setting state of the wet-area device. The controller controls a display-switching of the electronic paper and a transmission of a signal to remotely operate the wet-area device. The operation button is for modifying the setting state. The controller performs the display-switching and the transmission of the signal by utilizing the electrical power stored in the electrical storage part. The controller performs the display-switching after the transmission of the signal when the operation button is pressed.

Remote control device and wet-area system

According to one embodiment, a sanitary washing device includes a main part, a toilet seat, and a radio wave sensor. The main part includes a toilet seat movable part including a metal. The toilet seat is supported by the toilet seat movable part to be rotatable. The radio wave sensor is provided in an interior of the main part and uses a radio wave to detect a user in front of the main part. The radio wave sensor includes a controller that determines a state of the user and outputs a signal relating to a determination result. The toilet seat movable part opens and closes the toilet seat based on the signal. The controller is positioned further rearward than the toilet seat movable part. At least a part of the controller overlaps at least a part of the toilet seat movable part in a frontward/rearward direction.

According to one embodiment, a toilet seat device includes a toilet seat, and a Doppler sensor using radio waves. An opened state of the toilet seat is sensed when approach of a user to the toilet seat is sensed based on a sensing signal outputted by the Doppler sensor. It is regarded that use is in progress for urination by the user when the toilet seat is in the opened state. In a state of being regarded that use is in progress for urination, a post-use operation is performed after sensing leaving of the user from the toilet seat based on the sensing signal.

Toilet seat device and toilet device equipped therewith

According to one embodiment, a sanitary washing device includes a main part and a sensor. The main part includes a nozzle and a flow channel switching unit. The flow channel switching unit includes a motor and switches a flow channel of water flowing toward the nozzle by an operation of the motor. The sensor is provided in an interior of the main part and includes a transmitter/receiver and a controller. The transmitter/receiver radiates a radio wave and receives the radio wave reflected by an user. The controller determines a state of the user based on the radio wave received by the transmitter/receiver and outputs a signal relating to a determination result. The main part controls an operation of the flow channel switching unit and the nozzle based on the signal. The nozzle is positioned between the sensor and the motor in a width direction of the nozzle.

A sanitary device includes a wet area device includes a radio wave sensor, a control section and a controlled section. The radio wave sensor is configured to output a sensing signal concerning a water flow. The control section is configured to determine a state of the water flow based on phase information of the sensing signal and to output a control signal based on a determination result. The controlled section is configured to be controlled based on the control signal.

Wet area device

According to one embodiment, a toilet seat apparatus that includes a main part mounted at a rear upper part of a toilet, a toilet seat provided rotatably with respect to the main part, and a radio wave sensor being provided in the interior of the main part and using a radio wave to sense a human body; and in the state in which the toilet seat is lowered, the toilet seat covers the radio wave sensor, and the radio wave passes through the toilet seat and is radiated frontward of the radio wave sensor.

Toilet seat apparatus

A toilet device includes a toilet seat device, a radio wave sensor, and a controller. The toilet seat device is provided on a toilet bowl. The controller is configured to operate the toilet seat device based on a signal outputted from the radio wave sensor. The radio wave sensor is being operable for detecting presence of a human body in a first area including front of the toilet seat device, detecting motion of a human body in a second area including the front of the toilet seat device and a region outside the first area, and determining sensing of the human body based on detection result of the motion of the human body and detection result of the presence of the human body.

Toilet device

A sanitary washing device according to an embodiment includes a toilet seat, a main part, and a radio wave sensor. The toilet seat is provided on a toilet. The toilet seat is pivotally supported by the main part. When the toilet seat is closed, the user in front of the main part is detected by the radio wave sensor in a first region, and in a second region higher than the first region. When the toilet seat is open, the user in front of the main part is not detected in the first region by the radio wave sensor, but the user in front of the main part is detected in the second region by the radio wave sensor. The position of the radio wave sensor is not changed between the state in which the toilet seat is open and the state in which the toilet seat is closed.

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.

Control of water discharge system by reflected wave detection threshold(s)

There is provided a water discharge system. A water discharge system includes a water discharge portion; a sensor unit which acquires movement information about an object based on a radiated electric wave, and outputs a detecting signal; and a control unit which controls water discharge of the water discharge portion based on the detecting signal. When it is detected that the object is decelerated to a first threshold velocity or less, the control unit controls the water discharge portion to start the water discharge.

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Kitakyushu, Japan

Masami Tsujita