Company Filing History:
Years Active: 2001-2003
Title: The Innovations of Andy D Helfrich
Introduction
Andy D Helfrich is a notable inventor based in Bolingbrook, IL (US). He has made significant contributions to the field of telecommunications, particularly in the area of Asynchronous Transfer Mode (ATM) traffic management. With a total of 2 patents to his name, Helfrich's work has had a lasting impact on network technology.
Latest Patents
Helfrich's latest patents include a method and apparatus for the robust implementation and protection of ATM traffic over a Synchronous Optical Network (SONET) Unidirectional Path Switched Ring (UPSR). This innovative approach eliminates the traditional SONET bridging function for ATM traffic, replacing it with a selector function. The selector function directs ATM traffic to its destination via a virtual path over the UPSR. Additionally, the ATM traffic is safeguarded against both SONET and ATM failures through an Intra-Ring Communication (IRC) protocol. This protocol governs failure detection and notifies SONET nodes on the UPSR of any failures and necessary protection switches.
Career Highlights
Helfrich is currently employed at Tellabs Operations, Inc., where he continues to develop cutting-edge solutions in telecommunications. His expertise in network technology has positioned him as a key player in his field.
Collaborations
Throughout his career, Helfrich has collaborated with talented professionals, including Eric L Chan and Leland M Kornhaus. These partnerships have contributed to the advancement of innovative technologies in the industry.
Conclusion
Andy D Helfrich's contributions to telecommunications through his patents and work at Tellabs Operations, Inc. highlight his role as a significant inventor in the field. His innovative methods for managing ATM traffic continue to influence network technology today.