Company Filing History:
Years Active: 1977-1986
Title: The Innovative Contributions of Henry S. McDonald
Introduction
Henry S. McDonald, hailing from Summit, NJ, has made significant strides in the field of telecommunications through his innovative inventions. With a portfolio of 4 patents, he has been at the forefront of technological advancements that enhance communication systems and improve user experience.
Latest Patents
Among his notable inventions is the patent for a **Switching Control for Multiple Stage Time Division Switch**. This multi-stage time division switch facilitates communication between processors over various channels on time division lines. A common processor within the system provides the essential switching mapping information, ensuring effective communication across the stages of the switch. The invention streamlines the process by allowing information to be sent to the memory and logic of each switched stage over dedicated channels.
Another groundbreaking patent is for an **Arrangement for Requesting Service for Called Telephone Subscribers**. This improved ringing control circuit works within a stored program telephone switching system. It grants the called subscriber a designated window of time post-call answer to request special services, such as identification of the calling party’s number. This inventive approach delays the operation of current-sensitive devices that detect current flow in subscriber lines, enhancing the efficiency and user experience during calls.
Career Highlights
Henry S. McDonald has an impressive career history, having spent significant time with prominent organizations in the telecommunications sector. Notably, he worked with Bell Telephone Laboratories, a leader in research and innovation, and AT&T Information Systems Inc., where he contributed to developing advanced communication technologies.
Collaborations
Throughout his career, McDonald has collaborated with esteemed colleagues, including Carl Christensen and Arthur D. Hause. Their joint efforts in the field have helped pave the way for advancements in telecommunications, showcasing the power of teamwork in innovation.
Conclusion
Henry S. McDonald’s contributions to telecommunications through his patents have had a lasting impact on the industry. His work exemplifies the spirit of innovation and the importance of collaboration in developing technologies that improve communication systems. As he continues to inspire future inventors, his legacy remains etched in the field of telecommunications.