Location History:
- Petaluma, CA (US) (1998)
- San Jose, CA (US) (2001 - 2009)
Company Filing History:
3 out of 20,382 
1 out of 279 
1 out of 937 Years Active: 1998-2009
Title: **Innovations by Hung-San Chen: A Trailblazer in Frequency Channel Technology**
Introduction
Hung-San Chen, an accomplished inventor based in San Jose, CA, has made significant contributions to the field of data transmission technology. With a remarkable portfolio of five patents, his work reflects a commitment to enhancing the efficiency and reliability of communication systems.
Latest Patents
Among Chen's latest innovations is a patented method and apparatus for locating a cleaner bandwidth in a frequency channel for data transmission. This technology enables the detection of cleaner, narrower bandwidths within a frequency channel that may be deemed unacceptably noisy. The invention involves an upstream receiver connected to a narrow bandwidth detector and a processor within a Cable Modem Termination System (CMTS). By performing a Fast Fourier Transform (FFT) on the frequency channel, the narrow bandwidth detector generates multiple FFT points. Consequently, a clean bandwidth for data transmission is identified based on contiguous FFT points that maintain a noise level below a predetermined threshold.
Career Highlights
Hung-San Chen has had an impressive career with notable positions at leading technology firms. He has worked with Cisco Technology, Inc. and Verizon Laboratories Inc., where he developed and refined his innovative solutions. His experience at these established companies has honed his expertise in communication technology and patent development.
Collaborations
Throughout his career, Chen has collaborated with esteemed colleagues, including Alejandro Schwartzman and Charles J Naegeli. These partnerships have been instrumental in advancing his inventions and fostering a collaborative approach to problem-solving in the technology sector.
Conclusion
Hung-San Chen's contributions to frequency channel technology reflect a deep understanding of the challenges in data transmission. His innovative patents and collaborations with industry leaders position him as a key figure in advancing communication technologies. As the demand for efficient data transmission continues to grow, Chen's work will undoubtedly play a vital role in shaping the future of this critical field.