Location History:
- Fremont, CA (US) (1990 - 1991)
- Los Altos, CA (US) (1992 - 2000)
Company Filing History:
2 out of 24 
2 out of 164,173 
1 out of 310 
Years Active: 1990-2000
Title: The Innovations of Daniel T Lai
Introduction
Daniel T Lai is a notable inventor based in Los Altos, California. He has made significant contributions to the field of technology, particularly in messaging systems and telephony applications. With a total of six patents to his name, Lai's work has had a lasting impact on how signals are detected and processed in various systems.
Latest Patents
One of Lai's latest patents is titled "System and method for detecting types of signals in messaging systems." This invention provides a system and method for detecting the type of a received signal. The system includes a processor and two receivers, each capable of receiving different signal types. An algorithm is employed to distinguish between these signal types, ensuring that at least one of the two is retained for further processing.
Another significant patent is the "Far-end disconnect detector for telephony systems." This method and apparatus are designed to detect a far-end disconnect signal, which is crucial for telephony applications such as voice messaging systems. The invention compares the signal power of a telephone signal in specific frequency ranges with characteristic far-end disconnect signals used globally. It also examines the cadence of the telephone signal to determine if it matches known disconnect signals, such as busy signals and dial tones.
Career Highlights
Throughout his career, Daniel T Lai has worked with prominent companies, including Rolm Systems and International Business Machines Corporation (IBM). His experience in these organizations has contributed to his expertise in signal processing and telecommunications.
Collaborations
Lai has collaborated with several talented individuals in his field, including Michael Eugene Locke and Andrew S Crowe. These collaborations have likely enriched his work and led to innovative solutions in technology.
Conclusion
Daniel T Lai's contributions to the field of technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of messaging systems and telephony applications.