Company Filing History:
1 out of 121 
1 out of 200 Years Active: 1988-1989
Title: Innovations of Arthur L Walsh
Introduction
Arthur L Walsh is a notable inventor based in Phoenix, AZ, who has made significant contributions to the field of telecommunications. He holds two patents that showcase his expertise in integrated services and digital voice switching technologies. His work has had a lasting impact on how communication systems operate today.
Latest Patents
One of Walsh's latest patents is the Integrated Services Digital Network module. This innovative module includes a time division multiplexed switching network that connects subscribers through various facility interface cards. These cards facilitate different types of connections, including two-wire and four-wire subscriber connections, as well as T1 line connections. The system also incorporates multiplexers and protocol interfaces for HDLC channels, ensuring efficient communication. Another significant patent is the Digital Voice Switch for a multi-port conference circuit. This invention features an echo cancellation arrangement that minimizes feedback during conference calls. By inserting quiet code during silent periods and employing an attenuation arrangement, Walsh's design enhances the quality of voice communication among multiple participants.
Career Highlights
Throughout his career, Arthur L Walsh has worked with prominent companies such as Ag Communication Systems Corporation and GTE Communication Systems Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in telecommunications.
Collaborations
Walsh has collaborated with notable individuals in the industry, including John S Young and James B Black. These partnerships have contributed to the advancement of his inventions and the overall progress in telecommunications technology.
Conclusion
Arthur L Walsh is a distinguished inventor whose work in telecommunications has led to significant advancements in communication systems. His patents reflect his innovative spirit and dedication to improving the way we connect and communicate.
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.