Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:KR102025302B1
公开(公告)日:2019-11-04
申请号:KR1020180077010
申请日:2018-07-03
Applicant: 성균관대학교산학협력단
Inventor: 추현승 , 안효훈
IPC: H04R3/04 , H04B1/10
公开(公告)号:KR102010433B1
公开(公告)日:2019-08-14
申请号:KR1020170111882
申请日:2017-09-01
Inventor: 추현승 , 안효훈 , 레덕타이
IPC: H04W72/12 , H04W74/04