Hyun-cheal Bang

Title: The Innovations of Hyun-cheal Bang

Introduction

Hyun-cheal Bang is a notable inventor based in Suwon-si, South Korea. He has made significant contributions to the field of optical recording technology. With a total of 3 patents to his name, his work focuses on enhancing the performance and precision of laser power control in optical devices.

Latest Patents

Hyun-cheal Bang's latest patents include a laser power monitor device, an optical pickup including the same, and an optical recording and/or reproducing apparatus including the same. The laser power monitor device is designed to improve the frequency characteristics and precision of laser power control during low-speed recording. It features a photo diode unit that receives a portion of light emitted from a laser diode and outputs a current proportional to the optical power. Additionally, the monitor circuit converts this current into a voltage for the automatic laser power control circuit. The device also includes a switch unit that adjusts the number of photo diodes supplying current based on the recording speed.

The laser power control device is another innovation that monitors peak and elimination power during the recording process. It utilizes a peak power monitor and an elimination power monitor to set appropriate power levels in the laser diode driver. This ensures optimal performance when recording data on optical media.

Career Highlights

Hyun-cheal Bang is currently employed at Samsung Electronics Co., Ltd., a leading company in the technology sector. His work at Samsung has allowed him to develop cutting-edge technologies that enhance optical recording capabilities. His contributions have been instrumental in advancing the company's product offerings in this area.

Collaborations

Throughout his career, Hyun-cheal Bang has collaborated with talented colleagues such as Sung-du Kwon and Jun-Hyuk Lee. These collaborations have fostered innovation and have led to the successful development of various technologies in the optical recording field.

Conclusion

Hyun-cheal Bang's work exemplifies the spirit of innovation in the technology sector. His patents and contributions to optical recording technology have made a significant impact on the industry. His ongoing efforts continue to push the boundaries of what is possible in this field.