Ping-Ju Chang

Title: The Innovations of Ping-Ju Chang

Introduction

Ping-Ju Chang is a notable inventor based in Changhua, Taiwan. He has made significant contributions to the field of optical technology, particularly through his innovative designs and patents. His work has implications for various applications in the electronics industry.

Latest Patents

One of Ping-Ju Chang's key patents is the "Electromagnetic actuator of optical pickup head." This invention features an electromagnetic actuator that includes an object lens holder suspended by a set of wires. The design incorporates a focus coil set that is fixed to the object lens holder and is strategically placed around a focus and track shared magnet set. The focus coil is positioned within the magnetic field of the shared magnet set, allowing for precise focusing capabilities. When current flows through the focus coil, it induces a magnetic force that enables the object lens holder to focus effectively.

Career Highlights

Ping-Ju Chang is associated with Topray Technologies, Inc., where he continues to develop and refine his inventions. His work at the company has been instrumental in advancing optical technologies and enhancing the performance of optical devices.

Collaborations

Ping-Ju Chang collaborates with Tsung-Kai Chang, contributing to the innovative environment at Topray Technologies, Inc. Their partnership fosters creativity and drives the development of cutting-edge technologies.

Conclusion

Ping-Ju Chang's contributions to the field of optical technology through his patent on electromagnetic actuators demonstrate his innovative spirit and technical expertise. His work continues to influence advancements in the industry, showcasing the importance of inventors in shaping the future of technology.