Company Filing History:
Years Active: 2003-2006
Title: Heling Yi: Innovator in Delta-Sigma Modulation Technology
Introduction
Heling Yi is a prominent inventor based in Austin, TX, known for his contributions to the field of delta-sigma modulation technology. With a total of 4 patents to his name, he has made significant advancements that enhance the performance of digital signal processing systems.
Latest Patents
Heling Yi's latest patents focus on delta-sigma modulators with integral digital low-pass filtering. One of his innovations involves a feedback noise-shaper of an order of at least three, which implements a first pole set defining a signal transfer function of a selected corner frequency. Additionally, a second pole set is included, having at least one pole at a frequency at least twice the selected corner frequency, which defines a noise transfer function. Another patent describes a delta-sigma modulator of an order of at least three, featuring a signal transfer function that defines a signal low-pass response. This transfer function has a numerator and a denominator, with the denominator defined by a product of first and second functions that characterize respective first and second pole sets. The design ensures that the roll-off frequency of the low-pass response defined by the first pole set is at least twice that of the second pole set.
Career Highlights
Heling Yi is currently employed at Cirrus Logic Inc., where he continues to innovate and develop cutting-edge technologies in the field of digital signal processing. His work has been instrumental in advancing the capabilities of delta-sigma modulators, which are widely used in various applications, including audio and communication systems.
Collaborations
Throughout his career, Heling has collaborated with notable colleagues such as John L Melanson and David M Olivenbaum. These partnerships have contributed to the successful development of his patented technologies and have fostered a collaborative environment for innovation.
Conclusion
Heling Yi's contributions to delta-sigma modulation technology exemplify his commitment to innovation and excellence in the field. His patents not only enhance the performance of digital signal processing systems but also pave the way for future advancements in technology.