Inventor
CHIN SE HUN
KR5 patents
Patents
5 patentsUS9515748B2Dec 6, 2016
Encoding apparatus and method for encoding sound code, decoding apparatus and method for decoding the sound code
POWERVOICE CO LTD27 citations87
US10243675B2Mar 26, 2019
Mobile device and method for outputting sound wave for control of external device, and external device
POWERVOICE CO LTD2 citations67
US9783137B2Oct 10, 2017
Sound QR system for vehicular services
POWERVOICE CO LTD2 citations66
US11087768B2Aug 10, 2021
Personalized voice recognition service providing method using artificial intelligence automatic speaker identification method, and service providing server used therein
POWERVOICE CO LTD0 citations47
US10289378B2May 14, 2019
Device and method for outputting sound wave for content synchronization between devices and operation control for external device, and external device
POWERVOICE CO LTD0 citations35