Company Filing History:
3 out of 19 
1 out of 3,601 
1 out of 1 Years Active: 1998-2021
Title: Chang-Chi Liu: Innovating in Error Detection and Communication Technologies
Introduction
Chang-Chi Liu is a notable inventor based in Fremont, California. With a total of seven patents to his name, Liu has made significant contributions to the fields of error detection, correction technologies, and communication systems. His pioneering work has impacted various industries, showcasing the importance of innovation in enhancing communication and data reliability.
Latest Patents
Liu's latest patents include:
1. **Selective Application of Error Detection and Correction for Radio Frequency Identification**
This invention describes methods, apparatuses, and systems for performing error correction and detection in radio frequency identification (RFID) tags. The technology enables an RFID tag to receive an interrogating signal, store data, and perform error detection to identify erroneous bits. If the error affects fewer than a predetermined number of bits, the tag corrects the error before transmitting the data to a reader, which can then analyze the data for further insights.
2. **Combined Echo and Crosstalk Cancellation**
Liu's patented technology addresses echo and crosstalk in multi-channel and full-duplex communications systems. By employing frequency domain adaptive filters, the invention reduces the detrimental effects caused by these issues. The technology buffers transmit channel data and converts it to the frequency domain, utilizing a Fast Fourier Transform engine for efficient calculations, thereby saving power and space.
Career Highlights
Throughout his career, Chang-Chi Liu has worked with several prominent companies, including Vintomie Networks B.V., LLC, and Macronix International Co., Ltd. His work has consistently focused on enhancing communication technologies and improving data integrity, reflecting his commitment to innovation in the field.
Collaborations
Liu has collaborated with renowned coworkers like James Little and Marwan M Hassoun. These partnerships have allowed him to leverage diverse expertise and insights, further contributing to his successful inventions.
Conclusion
Chang-Chi Liu stands out as an influential inventor in the realms of error detection and communication technologies. His seven patents reflect his dedication to solving complex problems and enhancing data reliability. As he continues to innovate, Liu's contributions will likely play a crucial role in shaping the future of communication systems.