Chih-Chang Lee is a notable inventor based in Tainan, Taiwan. He has made significant contributions to the field of voltage conversion technology. With a total of 2 patents, his work showcases innovative solutions that enhance electrical efficiency and performance.

Latest Patents

One of his latest patents is a voltage conversion device and voltage conversion method thereof. This device includes a filter circuit, a first inductor, a second inductor, a first conversion module, a second conversion module, and a control circuit. The filter circuit is electrically connected to a first AC terminal and a second AC terminal. The first inductor is connected to the first AC terminal and a first conversion terminal, while the second inductor is connected to the second AC terminal and a second conversion terminal. The first conversion module connects to a first DC voltage terminal, a second DC voltage terminal, and the first conversion terminal. The second conversion module connects to the same DC voltage terminals and the second conversion terminal. The control circuit transmits switch-control signals to both conversion modules, facilitating efficient voltage conversion.

Another significant patent is the feedforward controlled envelope modulator and feedforward control circuit thereof. This invention comprises a linear amplifier circuit, a switching amplifier, and a feedforward control circuit. The linear amplifier circuit amplifies an input voltage signal to output an output voltage signal to a load node. The switching amplifier receives a comparison signal and outputs a switching current to the load node based on this signal. The feedforward control circuit includes a duplicate linear amplifier circuit and a hysteresis comparator. The duplicate linear amplifier circuit amplifies the input voltage signal to output a reference voltage signal, maintaining identical amplifying gains with the linear amplifier circuit. The hysteresis comparator compares the output voltage signal with the reference voltage signal to produce the comparison signal.

Career Highlights

Chih-Chang Lee is currently associated with the Industrial Technology Research Institute, where he continues to innovate and develop new technologies. His work has been instrumental in advancing voltage conversion methods, which are crucial for various applications in electronics and power systems.

Collaborations

Chih-Chang Lee has collaborated with notable colleagues, including Yan-Fu Jhou and Chih-Chung Chiu. Their teamwork has contributed to the successful development of innovative technologies in their field.

Conclusion

Chih-Chang Lee's

Profile summary based on public USPTO records.

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