公开(公告)号：US20210235541A1

公开(公告)日：2021-07-29

申请号：US17059560

申请日：2019-06-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinhong SEOL ,  Jiyong CHO ,  Dongwoo KIM ,  Taeseok LEE ,  Jiho SON ,  Janghoon LEE

IPC: H04W76/50 ,  H04W4/90 ,  H04W8/18 ,  H04W76/15

Abstract: Various embodiments of the present invention provide a method and apparatus for an emergency call connection by an electronic device. An electronic device according to various embodiments of the present invention may comprise: a first wireless communication circuit for communicating with a first network; a second wireless communication circuit for communicating with a second network; and a processor, wherein the processor: detects a trigger for an emergency call connection; in response to the trigger, initiates the emergency call connection on the basis of the first wireless communication circuit and the second wireless communication circuit; determines priorities of the first and the second wireless communication circuit; and performs the emergency call connection by using a wireless communication circuit determined according to the determined priorities. Various embodiments are possible.

公开(公告)号：US20240076550A1

公开(公告)日：2024-03-07

申请号：US18333154

申请日：2023-06-12

Applicant: Samsung Electronics Co., Ltd. ,  FOOSUNG CO., LTD.

Inventor： Hyeunwoong HONG ,  Woohyeop KWON ,  Hyeongeun AHN ,  Wooin JUNG ,  Dongkyeong KANG ,  Donghyun KIM ,  Taeheon KIM ,  Hyunjeong KIM ,  Changsu LEE ,  Kangyeob JEON ,  Jungheun MOON ,  Chulhwan MOON ,  Byungwon WOO ,  Jungeun LEE ,  Junhee LEE ,  Hyejeong JEONG ,  Taeseok LEE ,  Kangsan HONG ,  Soonkil JOUNG

IPC: C09K13/08 ,  C03C15/00

CPC classification number: C09K13/08 ,  C03C15/00

Abstract: A composition for surface treatment includes fluorosilicic acid (H2SiF6) and hydrofluoric acid (HF), and/or a surface treatment method using the same. The composition may be used to treat (e.g., etch) a substrate such as glass or the like.