Company Filing History:
Years Active: 2001-2016
Title: Innovations of Yao-Ching Liu
Introduction
Yao-Ching Liu is a prominent inventor based in Cupertino, California. He has made significant contributions to the field of digital signal processing and audio amplification. With a total of nine patents to his name, Liu's work has had a considerable impact on technology.
Latest Patents
One of Liu's latest patents is titled "Method and apparatus for encoding digital data into an oversampling digital to analog converter." This invention describes a method for an oversampling digital-to-analog converter (DAC) that includes oversampling M-bit binary data to provide N-bit oversampled binary data. The process involves encoding the N-bit oversampled binary data to produce 2-bit thermometer code data and a sign bit, shuffling the 2-bit thermometer code data, converting it to an analog output signal, and smoothing the analog signal for a refined output.
Another notable patent is the "Method and apparatus for filter-less analog input class D audio amplifier clipping." This invention features an integrated circuit (IC) chip with a class D PWM amplifier designed to generate first and second PWM signals. It includes a clipping detection circuit that activates a clipping indication signal based on the state of the PWM signals, ensuring optimal performance in audio applications.
Career Highlights
Throughout his career, Yao-Ching Liu has worked with several notable companies, including Broadcom Corporation and Nuvoton Technology Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of electronics.
Collaborations
Liu has collaborated with talented individuals such as William Dai and Jason Chao. These partnerships have contributed to the successful development of his inventions and patents.
Conclusion
Yao-Ching Liu's contributions to technology through his patents and collaborations highlight his role as an influential inventor in the field of digital signal processing and audio amplification. His innovative methods continue to shape the industry and inspire future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.