Company Filing History:
Years Active: 2017-2022
Title: Innovations by Inventor Chen Chang
Introduction
Chen Chang is a notable inventor based in Fremont, CA, who has made significant contributions to the field of radio frequency (RF) technology. With a total of 5 patents to his name, he has developed innovative solutions that enhance the testing and performance of RF devices.
Latest Patents
One of Chen's latest patents is an "Over-the-air testing interface for phase array antennas." This invention presents various embodiments of a system that includes an alignment fixture for testing phased array antennas and other devices configured for RF transmission and reception. The alignment fixture allows for the positioning of the device under test (DUT) and provides a configurable level of friction to retain the DUT in place. Additionally, it offers isolation from electromagnetic interference during testing.
Another significant patent is for "Over-the-air testing of millimeter wave integrated circuits with integrated antennas." This invention focuses on testing devices such as integrated circuits (IC) with integrated antennas designed for millimeter wave transmission and reception. The DUT can be mounted to an interface in a measurement fixture, allowing for power and data connections to be tested. The RF characteristics of the DUT are evaluated over-the-air using an array of antennas or probes, which incorporate power detectors to measure the RF radiating pattern.
Career Highlights
Chen Chang is currently employed at National Instruments Corporation, where he continues to innovate and develop cutting-edge technologies in the RF domain. His work has significantly impacted the efficiency and effectiveness of testing RF devices.
Collaborations
Throughout his career, Chen has collaborated with talented individuals such as Marcus K DaSilva and Charles G Schroeder, contributing to the advancement of technology in their field.
Conclusion
In summary, Chen Chang is a distinguished inventor whose work in RF technology has led to multiple patents and innovative solutions. His contributions continue to shape the future of testing and performance in the industry.