Company Filing History:
6 out of 696 
3 out of 9,364 
2 out of 3,345 
Years Active: 1987-2006
Title: The Innovations of Norman C. Chan
Introduction
Norman C. Chan is a notable inventor based in Louisville, Colorado, recognized for his significant contributions to communication technologies. With a total of 12 patents to his name, Chan has developed innovative solutions that enhance the efficiency and quality of voice transmission over networks.
Latest Patents
One of Chan's latest patents is a "System and method for minimizing overrun and underrun errors in packetized voice transmission." This invention addresses issues related to sample queues in voice transmission by modifying incoming samples from an IP switched network. When the sample queue exceeds a predefined level, the system removes samples within the voiced region, effectively eliminating whole pitch periods of samples. Conversely, if the sample queue is below a second predefined number, the system generates additional pitch periods of samples to maintain quality.
Another significant patent is the "Method and apparatus for performing echo cancellation within a communication network." This invention involves a switching center equipped with a pool of echo cancellation units. These units provide echo cancellation services on an as-needed basis, analyzing communication connections to detect intolerable reflections. If such reflections are identified, an echo cancellation unit is assigned to mitigate the issue, ensuring clear communication.
Career Highlights
Throughout his career, Norman C. Chan has worked with prominent companies in the technology sector, including Avaya Technology LLC and Lucent Technologies Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in communication technology.
Collaborations
Chan has collaborated with notable professionals in the field, including Frederick Peter Block and Leif K. Pederson. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Norman C. Chan's work exemplifies the spirit of innovation in communication technology. His patents not only address critical issues in voice transmission but also enhance the overall user experience. Chan's contributions continue to influence the industry and pave the way for future advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.