Thomas C Liu

Title: Thomas C Liu: Innovator in Communication Systems

Introduction

Thomas C Liu is a notable inventor based in Atlantic Highlands, NJ (US). He has made significant contributions to the field of communication systems, holding a total of 2 patents. His work has focused on enhancing the capabilities of communication technologies, particularly in integrating voice and data functionalities.

Latest Patents

One of Liu's latest patents is a communication system having voice and data capability. This innovative system includes a plurality of station sets connected over two pair communication facilities to a control module. An adapter unit switchably connects an external data or voice device via a station set to either facility in response to a control signal from the control module. A data mode is established by sending a data mode request signal from the station set to the control module. An off-hook signal from a connected data device is used to request a data call. The control module signals to which facility the adapter is to connect the data call and outputs a unique visual on the data call facility. The control module prevents other calls from bridging onto or interfering with the data call. The system also permits a voice call on a facility to be converted to a data call on the other facility. Furthermore, a user can make a voice call over one facility while a data call is in progress on the other facility.

Another significant patent by Liu is a ringing signal reformatting circuit. This circuit detects ringing signals having one or more ringing bursts and generates a code representing a modified distinctive ringing signal. This signal has a predetermined number of bursts and a predetermined on/off timing in response to all detected ringing signals having the same number of ringing bursts. The coded ring signal is sent to a station set and decoded thereat to generate a distinctive ring signal.

Career Highlights

Throughout his career, Thomas C Liu has worked with prominent companies such as American Telephone and Telegraph Co. and AT&T Information Systems Inc. His experience in these organizations has contributed to his expertise in communication technologies and systems.

Collaborations

Liu has collaborated with various professionals in the field, including his coworker Richard Y Hsia. Their joint efforts have further advanced the development of innovative communication solutions.

Conclusion

Thomas C Liu is a distinguished inventor whose work in communication systems has led to significant advancements in the integration of voice and data capabilities. His patents reflect a commitment to innovation and excellence