Sanitary washing device

Patent metadata

Field	Value
Publication number	US-10125483-B2
Application number	US-201715682643-A
Country	US
Kind code	B2
Filing date	Aug 22, 2017
Priority date	Aug 23, 2016
Publication date	Nov 13, 2018
Grant date	Nov 13, 2018

Abstract

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.

First claim

What is claimed is:

1. A sanitary washing device, comprising:
a toilet seat provided on a toilet;
a main part, the toilet seat being pivotally supported by the main part to be rotatable; and
a radio wave sensor provided in an interior of the main part, the radio wave sensor detecting a user in front of the main part by using a radio wave,
in a state in which the toilet seat is closed, the user in front of the main part is detected in a first region and a second region by the radio wave sensor, the second region being 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 in the second region by the radio wave sensor, and the user in front of the main part is not detected in the first region by the radio wave sensor,
a 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.

2. The device according to claim 1 , wherein
a maximum directivity direction of the radio wave radiated from the radio wave sensor is pointed higher than a horizontal direction, and
the maximum directivity direction passes through an opening of the toilet seat when the toilet seat is open.

3. The device according to claim 2 , wherein the maximum directivity direction passes through lower than a center in a vertical direction of the opening when the toilet seat is open.

4. The device according to claim 2 , wherein the maximum directivity direction passes through lower than a portion of the opening having the widest width when the toilet seat is open.

5. The device according to claim 1 , wherein the radio wave sensor is provided lower than an area where the opening is projected rearward when the toilet seat is open.

Assignees

• Toto Ltd

Inventors

• Tsuiki Shoichi
• Tanogashira Yuta
• Yasugata Takeshi
• Okamoto Kenichi
• Tsujita Masami

Classifications

• E03D9/08 Primary

  Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices (showers A47K3/28; bathing devices for special therapeutic or hygienic purposes A61H33/00, for specific parts of the body A61H35/00 ){; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting} · CPC title

• E03D5/105

  touchless, e.g. using sensors · CPC title

• E03D9/00 Primary

  Sanitary or other accessories for lavatories (hand tools for cleaning the toilet bowl A47K11/10; seats or covers for closets A47K13/00; body supports, other than seats for closets A47K17/02; devices for preventing contamination of drinking-water pipes E03C1/10 ){; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells (cleaning, disinfecting or deodorising the seat A47K13/30)} · CPC title

• G01S13/04

  Systems determining presence of a target (based on relative movement of target G01S13/56) · CPC title

• E03D9/002

  Automatic cleaning devices · CPC title