Company Filing History:
Years Active: 2016-2018
Title: Innovations of Changsok Han
Introduction
Changsok Han is a notable inventor based in Gainesville, FL, who has made significant contributions to the field of analog-to-digital conversion. With a total of 2 patents, his work focuses on enhancing the efficiency and accuracy of digital signal processing.
Latest Patents
One of his latest patents is a Time-to-Digital Converter (TDC)-based quantizer. This invention provides apparatus and techniques for analog-to-digital conversion using a TDC. The quantizer includes at least one first capacitive element and a set of switches that selectively couple the capacitive element to an input voltage source. Additionally, the TDC features a reference voltage source, a current source, and a voltage sense circuit, all working together to improve the conversion process.
Another significant patent by Changsok Han is a Delta-Sigma Analog-to-Digital Converter (ADC) with time-interleaved (TI) or two-step successive approximation register (SAR) quantizer. This invention utilizes two SAR ADCs that alternately sample and process an input signal, providing a feedback signal for the Delta-Sigma Modulator (DSM). This innovative approach allows for higher bandwidths in high-accuracy Delta-Sigma ADCs without the need for increased sampling rates.
Career Highlights
Changsok Han is currently employed at Qualcomm Incorporated, a leading company in the technology sector. His work at Qualcomm has allowed him to push the boundaries of digital signal processing and contribute to advancements in the field.
Collaborations
Changsok has collaborated with talented coworkers such as Omid Rajaee and Liang Dai. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies.
Conclusion
Changsok Han's contributions to the field of analog-to-digital conversion through his patents and work at Qualcomm Incorporated highlight his role as a significant inventor. His innovative approaches continue to influence advancements in digital signal processing.