公开(公告)号：US20230336919A1

公开(公告)日：2023-10-19

申请号：US18028101

申请日：2020-09-24

Applicant: LG ELECTRONICS INC.

Inventor： Kihun KIM ,  Seunghark PAEK ,  Heuisik SEO ,  Jongwoo KIM

IPC: H04R7/12 ,  H04R9/06 ,  H04R31/00

CPC classification number: H04R7/127 ,  H04R9/06 ,  H04R31/00

Abstract: A speaker including a speaker enclosure including an upper surface, a lower surface and a side surface connecting the upper and lower surfaces; a diaphragm disposed in an inner accommodating space of the speaker enclosure and configured to generate sound waves by vibrating according to an electrical signal; a first phase plug spaced apart from the diaphragm; and a second phase plug spaced apart from the first phase plug and forming a guide path to guide the generated sound waves from the diaphragm to be emitted omnidirectionally from the side surface of the speaker enclosure, wherein a width of the guide path formed by the first phase plug and the second phase plug increases towards the side surface of the speaker enclosure.

公开(公告)号：US20240183525A1

公开(公告)日：2024-06-06

申请号：US18287633

申请日：2022-02-07

Applicant: LG ELECTRONICS INC.

Inventor： Kihun KIM ,  Jongwoo KIM ,  Seunghark PAEK ,  Heuisik SEO

IPC: F21V33/00 ,  F21V7/00 ,  H04R1/02 ,  H04R1/34

CPC classification number: F21V33/0056 ,  F21V7/0083 ,  H04R1/028 ,  H04R1/345 ,  H04R2201/34

Abstract: A speaker assembly is disclosed. The speaker assembly includes: a speaker configured to provide sound in a first direction; a light-transmitting plate spaced apart from the speaker in the first direction and facing the speaker, the light-transmitting plate being configured to reflect the sound in a second direction that is different from the first direction; and an optical assembly disposed opposite the speaker with respect to the light-transmitting plate, the optical assembly being configured to provide light to the light-transmitting plate.

公开(公告)号：US20150359699A1

公开(公告)日：2015-12-17

申请号：US14761576

申请日：2014-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Yoonyoung CHANG ,  Honggul JUN ,  Jaehark PARK ,  Duksang KIM ,  Eulpyo HONG ,  Gyunghwan YUK ,  Jungsik KIM ,  Byungju DAN ,  Hongsoo PARK ,  Byeongrim JO ,  Byunghoon MIN ,  Sangho YOON ,  Heuisik SEO

IPC: A61H3/04 ,  G01S17/08 ,  G01S15/02

CPC classification number: A61H3/04 ,  A61G5/04 ,  A61G5/1094 ,  A61G5/128 ,  A61G5/14 ,  A61G2203/14 ,  A61G2203/70 ,  A61H2003/043 ,  A61H2003/046 ,  A61H2201/0161 ,  A61H2201/0173 ,  A61H2201/0192 ,  A61H2201/1215 ,  A61H2201/1633 ,  A61H2201/1635 ,  A61H2201/5043 ,  A61H2201/5048 ,  A61H2201/5061 ,  A61H2201/5084 ,  A61H2201/5092 ,  G01S15/02 ,  G01S17/08

Abstract: An electromotive walking assistance device includes a drive unit including a plurality of wheels and a motor for driving at least on portion of the plurality of wheels, a sensor unit sensing a distance from a user, a manipulation unit sensing a user's manipulation, and a controller controlling the motor based on a signal of the distance from the user and a signal of the user's manipulation.

Abstract translation: 一种电动行走辅助装置包括：驱动单元，包括多个车轮;以及马达，用于驱动所述多个车轮的至少一部分;传感器单元，其感测距离用户的距离;感测用户操纵的操作单元;以及控制器 基于来自用户的距离的信号和用户操纵的信号来控制电动机。