Location History:
- Kyungsangbuk, KR (1992)
- Kumi, KR (1987 - 1993)
Company Filing History:
4 out of 1,063 
1 out of 11,315 
Years Active: 1987-2025
Title: Innovations by Hyun J Choi
Introduction
Hyun J Choi is a notable inventor based in Kyungsangbuk, South Korea. He has made significant contributions to the field of telecommunications, particularly in the area of video and voice signal transmission. With a total of 5 patents to his name, Choi's work has paved the way for advancements in video phone technology.
Latest Patents
One of Choi's latest patents is a method and apparatus for transmitting and receiving signals in a video phone. This innovation allows for the simultaneous transmission of voice and video signals over a single transmission line. The apparatus includes video signal receiving means that can discriminate between different carrier frequencies, enabling effective communication. Another significant patent involves a security system that uses telephone lines to transmit video images to remote locations. This system is designed to alert users during emergencies, allowing for immediate response while minimizing power consumption.
Career Highlights
Choi is currently employed at Goldstar, Co., Ltd., where he continues to develop innovative technologies. His work has been instrumental in enhancing communication systems, making them more efficient and user-friendly.
Collaborations
Choi has collaborated with several talented individuals, including Eui Duck Kim and Hak R Kim, who have contributed to his projects and innovations.
Conclusion
Hyun J Choi's contributions to telecommunications through his patents demonstrate his commitment to innovation and technology. His work continues to influence the way we communicate today.