Company Filing History:
Years Active: 2009-2014
Title: The Innovations of Chun-Min Chang
Introduction
Chun-Min Chang is a notable inventor based in Miaoli County, Taiwan. He has made significant contributions to the field of technology, particularly in the development of innovative devices. With a total of two patents to his name, his work showcases a blend of creativity and engineering expertise.
Latest Patents
Chun-Min Chang's latest patents include an auto-focus driving structure and a direct current brushless vibration motor. The auto-focus driving structure is designed for installing a lens with an optical axis. It comprises a main body, a lens retainer, and a driving unit. The lens retainer is movably disposed within the main body, and the driving unit features a coil circuit board with multiple printed coils. This design allows for selective movement of the lens retainer, enhancing the functionality of optical devices.
The direct current brushless vibration motor includes an inductive coil as the stator and a magnetic element with coplanar magnetic poles as the rotor. The inductive coil is a single annular coil formed by a singly-wound conductive wire. The magnetic element is designed with a centrifugal slot, which creates an eccentric gravity center. When current flows through the inductive coil, it generates a magnetic field that interacts with the magnetic element, resulting in rotation and vibration.
Career Highlights
Chun-Min Chang has worked with several companies throughout his career, including Silitech Technology Corporation and Risun Expanse Corp. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Chun-Min Chang has collaborated with notable coworkers such as Chin-Yi Chou and Teng-Chien Yu. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.
Conclusion
Chun-Min Chang's contributions to the field of technology through his patents and collaborations highlight his innovative spirit and dedication to engineering. His work continues to influence the development of advanced devices in the industry.