Company Filing History:
2 out of 21 
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1 out of 224 
Years Active: 2004-2012
Title: The Innovative Contributions of Inventor Alex C Yeh
Introduction
Alex C Yeh, an accomplished inventor based in West Melbourne, Florida, has made significant contributions to the field of signal processing, with a total of five patents to his name. His work focuses on enhancing signal clarity and performance, which is vital in various electronic applications.
Latest Patents
Among Yeh's notable patents is the "Decision Directed Flicker Noise Cancellation," which introduces a method for reducing flicker noise in modulated input signals. This invention incorporates a decision circuit that generates signal decisions based on the input and a conversion circuit that derives selected signal values from these decisions. The methodology utilizes a first adder to estimate flicker noise and a filter that processes this estimate. The second adder then subtracts the filtered noise from the input signal to produce a corrected output. The system can operate in either feedback or feed-forward configurations, demonstrating its versatility in different scenarios.
Another significant patent is the "Adaptive Frequency Equalizer," which describes a system that adjusts the magnitude and phase of symbol information within received signals. This innovation includes a hard decision circuit for selecting ideal symbol values and a frequency response circuit that updates frequency response information dynamically. The patent showcases Yeh's ability to refine signal processing techniques effectively.
Career Highlights
Throughout his career, Alex C Yeh has collaborated with various companies, including Xocyst Transfer Ag L.L.C. His work in these organizations has allowed him to apply his innovative ideas practically, driving advancements in signal processing technologies.
Collaborations
Yeh has been known to work alongside esteemed colleagues, including Mark A Webster, further enhancing his contributions to the field. Such collaborations often lead to the amalgamation of ideas that foster groundbreaking patents and innovative technology solutions.
Conclusion
Alex C Yeh's work exemplifies the spirit of innovation in the realm of signal processing. His patents, particularly in flicker noise cancellation and adaptive frequency equalization, reflect a deep understanding of electronic signals and their improvement. As he continues to innovate, his contributions will likely leave a lasting impact on the industry.