公开(公告)号：US20250044137A1

公开(公告)日：2025-02-06

申请号：US18921442

申请日：2024-10-21

Applicant: WOTA CORP.

Inventor： Ryo YAMADA ,  Hiroki SUMA ,  Shiro HORIE ,  Fuminori YAMAZAKI ,  Kazunori KAWASHIMA

IPC: G01F23/14 ,  C02F1/44

Abstract: A water level sensor includes a first electrode, a second electrode and a controller. The first electrode is installed at a first height in a tank that stores water containing impurities including microorganisms that can form a biofilm. The second electrode is installed at a second height higher than the first height in the tank. The controller detects that water reaches the second height through contact of the first electrode and the second electrode with water.

公开(公告)号：US20240084559A1

公开(公告)日：2024-03-14

申请号：US18517095

申请日：2023-11-22

Applicant: WOTA CORP.

Inventor： Kazunori KAWASHIMA ,  Hiroki SUMA ,  Ryo YAMADA

IPC: E03B1/04 ,  A47K5/12 ,  E03C1/182

CPC classification number: E03B1/042 ,  A47K5/12 ,  E03C1/182 ,  E03B2001/045 ,  E03C2201/40

Abstract: A dispensing device includes: a pump that discharges a liquid; a pipe through which a liquid discharged by the pump flows; a dispensing portion that is connected to the pipe and dispenses a liquid that flows through the pipe; a nozzle that houses the pipe, the dispensing portion being arranged therein in an opening portion; and an antenna that is provided inside the nozzle and transmits and receives radio signals.