Company Filing History:
1 out of 1 
1 out of 1 Years Active: 2019-2020
Title: Jeong-Hwan Cho: Innovator in Optical Network Technology
Introduction
Jeong-Hwan Cho is a notable inventor based in Sejong-si, South Korea. He has made significant contributions to the field of optical network technology, holding 2 patents that showcase his innovative spirit and technical expertise.
Latest Patents
One of his latest patents is a "Passive optical network-based video overlay pluggable type optical network device." This invention relates to a device that can be easily connected and detached from an indoor optical network terminal (ONT) at a subscriber side. It transmits and receives an optical signal where a video RF optical signal and a PON optical signal are overlaid. The design allows for easy replacement of the PON board and video RF board, minimizing signal interference and enabling selective combinations for various types of PONs and video services.
Another significant patent is for an "Optical transceiver using FEC, optical transceiving system comprising same, and remote optical wavelength control method." This invention includes a laser diode driver for outputting light, a transmitter optical sub-assembly for transmitting optical signals, and a receiver optical sub-assembly for receiving those signals. The system is controlled by a microcontroller unit that analyzes the optical signal and incorporates forward error correction (FEC) to enhance performance.
Career Highlights
Jeong-Hwan Cho has worked with several companies in the optical technology sector, including Lighthorn Fiber-Optic Devices Inc. and Lightron Fiber-Optic Devices Inc. His experience in these organizations has contributed to his development as a leading inventor in the field.
Collaborations
Throughout his career, Jeong-Hwan has collaborated with notable colleagues, including Kang-Yong Jung and Soo Yuk. These partnerships have likely fostered innovation and the exchange of ideas in their projects.
Conclusion
Jeong-Hwan Cho's contributions to optical network technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in optical communication systems.