Company Filing History:
2 out of 1,264 
1 out of 6 
Years Active: 2011-2017
Title: Qichang Wu: Innovator in Audio Processing and Overclocking Technologies
Introduction
Qichang Wu is a notable inventor based in Shanghai, China. He has made significant contributions to the fields of audio processing and overclocking technologies. With a total of 3 patents to his name, Wu's work has had a considerable impact on the industry.
Latest Patents
One of Wu's latest patents is for an audio processing device with port output circuits controlled by PC beep signal activity. This innovative audio processing integrated circuit chip, such as a codec chip, includes at least one port output circuit configured to generate an audio signal to drive an external audio device. Additionally, it features a PC beep circuit that receives a PC beep signal and applies it to the input of the port output circuit. The chip also includes a control circuit that detects the activity of the PC beep signal, enabling or disabling the port output circuit based on the detected activity. Another significant patent by Wu is focused on overclocking with phase selection. This novel solution combines the technologies of fractional divider and phase selection to implement over-clocking for CPU PLL in PC clock generators, achieving a set resolution that is independent of the clock frequency.
Career Highlights
Throughout his career, Qichang Wu has worked with prominent companies in the technology sector. He has been associated with Integrated Device Technology, Inc. and Tempo Semiconductor, Inc., where he has contributed to various innovative projects and developments.
Collaborations
Wu has collaborated with talented individuals in the field, including Juan Qiao and Zhuyan Shao. These collaborations have further enriched his work and contributed to the advancements in technology.
Conclusion
Qichang Wu's contributions to audio processing and overclocking technologies highlight his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving user experiences in the digital realm.