Company Filing History:
Years Active: 1982-1985
Title: Innovations by John Shabe
Introduction
John Shabe is an accomplished inventor based in Darnestown, MD (US). He holds a total of 2 patents that showcase his expertise in communication technologies. His work has significantly contributed to advancements in time domain multiple access broadcasting and synchronization methods in TDMA networks.
Latest Patents
One of John Shabe's latest patents is titled "Time domain multiple access broadcasting, multipoint, and conferencing." This invention discloses a method and apparatus for conducting broadcast, multipoint, and conference communications in a TDMA network at various data rates. It allows for simultaneous point-to-point communications at different data rates during time intervals within a TDMA burst. The apparatus appends a direct destination address to each point-to-point port communication for transmission, ensuring that the intended destination port is directly addressed. Additionally, it appends an indirect destination address to each broadcast communication, utilizing a broadcast memory at the receiving end to store correlated direct addresses.
Another significant patent by John Shabe is "Initial acquisition of synchronization for a station in a TDMA satellite." This invention provides a method and apparatus for acquiring transmit synchronization at a secondary station using periodic frame reference bursts from a reference station. The improved method enables the use of full power initial acquisition bursts while reducing the bandwidth required for the acquisition operation. The apparatus measures propagation delay factors to achieve accurate transmit frame timing, ensuring long-term synchronization between the secondary station and the reference station.
Career Highlights
John Shabe is currently employed at International Business Machines Corporation (IBM), where he continues to innovate in the field of communication technologies. His contributions have been instrumental in enhancing the efficiency and effectiveness of TDMA networks.
Collaborations
Throughout his career, John has collaborated with notable colleagues, including Joseph A Alvarez, III and John F Brennen. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
John Shabe's work as an inventor has made a significant impact in the field of communication technologies. His patents reflect his dedication to advancing methods of communication in TDMA networks.