This inventor holds 5 USPTO granted patents. Top assignee: National Taiwan University of Science and Technology. Active years: 2010-2012.
Location History:
- Taipei, TW (2010)
- Taipei County, TW (2010 - 2012)
Company Filing History:
Years Active: 2010-2012
Title: Innovations of Cheng-Chen Liu
Introduction
Cheng-Chen Liu is a prominent inventor based in Taipei County, Taiwan. He has made significant contributions to the field of electronics, particularly in the development of frequency division and voltage-controlled oscillators. With a total of 5 patents to his name, Liu continues to push the boundaries of innovation in his field.
Latest Patents
One of Liu's latest patents is the "Injection-locked frequency dividing apparatus." This invention includes a frequency multiplier, a first linear mixer, a second linear mixer, and an oscillator. The frequency multiplier receives a frequency signal and generates a multiple-frequency signal accordingly. The first and second linear mixers both receive the multiple-frequency signal and mix it with complementary input signals to generate first and second mixed signals. The oscillator generates the frequency signal and produces complementary output signals based on the mixed signals.
Another notable patent is the "Multi-phase signal generator and voltage-controlled oscillator thereof." This invention features a voltage-controlled oscillator (VCO) that comprises a cross-coupled transistors module and a resonant module. The resonant module includes transistors and inductor-varactor strings that work together to create a tuning voltage. This innovative design enhances the performance and efficiency of signal generation.
Career Highlights
Cheng-Chen Liu is affiliated with National Taiwan University, where he contributes to research and development in electronics. His work has garnered attention for its practical applications in various technologies. Liu's expertise in frequency division and oscillation has positioned him as a key figure in his field.
Collaborations
Liu has collaborated with notable colleagues such as Sheng-Lyang Jang and Yu-Sheng Chen. Their combined efforts have led to advancements in electronic engineering and innovation.
Conclusion
Cheng-Chen Liu's contributions to the field of electronics through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire advancements in technology and innovation.