公开(公告)号：US20250102343A1

公开(公告)日：2025-03-27

申请号：US18785095

申请日：2024-07-26

Applicant: Keyence Corporation

Inventor： Shinichiro OTSU ,  Yusuke SUGIURA

IPC: G01F23/284

Abstract: To reduce a reflection wave that causes a stray signal wave in a level meter. The level meter includes a sensor substrate, a radio wave shaping member, a dielectric lens, and a radio wave absorbing member. The radio wave shaping member includes an element case covering an internal space including a transmitting unit and a receiving unit mounted on a sensor substrate, a waveguide having one end in electromagnetic communication with the element case, and a horn having a radio wave path gradually expanding from the other end of the waveguide toward a traveling direction of a transmitted radio wave. The dielectric lens is provided at the leading end of the horn, and deflects the radio wave from the transmitter through the radio wave shaping member to the object. The radio wave absorbing member is provided along the inner wall of the element case and absorbs radio waves.

公开(公告)号：US20240055203A1

公开(公告)日：2024-02-15

申请号：US18229183

申请日：2023-08-02

Applicant: Keyence Corporation

Inventor： Kenji KOJIMA ,  Yusuke SUGIURA

IPC: H01H27/00

CPC classification number: H01H27/007

Abstract: The close contact between a surface to be attracted and an attracting surface when an openable and closable door is closed is established at a high level to form a state in which the surface to be attracted and the attracting surface overlap each other without a gap. An electromagnetic lock type safety switch includes an actuator including; a member to be magnetized on which a surface to be attracted corresponding to an attracting surface, formed on an electromagnet of a switch body, is formed; an actuator attachment portion for attaching the actuator to a movable portion (openable and closable door); and a movement mechanism supporting the member to be magnetized to be movable relative to the actuator attachment portion.