Company Filing History:
3 out of 15 
1 out of 1 
1 out of 3,523 
Years Active: 1980-2003
Title: Innovations of Herman Vis
Introduction
Herman Vis is a notable inventor based in Santa Rosa, California. He has made significant contributions to the field of telecommunications, holding a total of five patents. His work focuses on enhancing telephone systems and improving their functionality.
Latest Patents
One of his latest patents is titled "Device and method for expanding legacy switches." This invention features a modular digital telephone system that includes a universal telephony shelf adaptable for incremental expansion of legacy telephone switches. The shelf is designed to receive redundant power supplies, multiple line cards, and either a peripheral shelf interface unit or a switch array card. It also provides system-wide fault displays. Another significant patent is "Timing and switching array and method." This apparatus includes a telephony switch with a timing and switch array card that manages all switching and timing functions. It connects to various telephony line cards and power supplies, facilitating tone and conference functions, signal scanning, and clock synchronization.
Career Highlights
Herman Vis has worked with several companies throughout his career, including Teltronics, Inc. and Digital Telephone Systems, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in telecommunications.
Collaborations
He has collaborated with notable individuals such as Stephen Weir and Leonid Shvarzberg, contributing to the advancement of technology in his field.
Conclusion
Herman Vis is a distinguished inventor whose work has significantly impacted the telecommunications industry. His innovative patents and career achievements reflect his dedication to enhancing communication technologies.