This inventor holds 2 USPTO granted patents. Top assignees: American Telephone & Telegraph Co., At&t Bell Laboratories, At&t Bell Laboratories, Philips Telecommunications Bv. Active years: 1988-1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 1988-1990
Title: Jan De Weerd: Innovator in Telecommunications
Introduction
Jan De Weerd is a notable inventor based in Hilversum, Netherlands. He has made significant contributions to the field of telecommunications, particularly through his innovative patents. With a total of two patents to his name, De Weerd has demonstrated a commitment to advancing technology in this sector.
Latest Patents
One of Jan De Weerd's latest patents is titled "DC supply for an S-bus in ISDN." This invention addresses the need for a reliable d.c. supply arrangement for terminals connected to an S-bus in an ISDN network. The arrangement includes a main supply unit and an emergency supply unit, which are coupled with opposite polarity to the S-bus. This design ensures that the emergency supply unit only powers terminals that are compatible with voltages of opposite polarity, thereby enhancing the efficiency of telecommunications functions.
Another significant patent by De Weerd is the "D.C. voltage converter with overload protection." This invention features a d.c. voltage converter that maintains constant power through a control circuit. In the event of a short-circuit in one of the secondary windings, the converter utilizes a voltage drop across an auxiliary winding to limit the converted power, ensuring safety and reliability in operation.
Career Highlights
Throughout his career, Jan De Weerd has worked with several prominent companies in the telecommunications industry. He has been associated with American Telephone & Telegraph Company, AT&T Bell Laboratories, and Philips Telecommunications B.V. His experience in these organizations has undoubtedly contributed to his expertise and innovative capabilities.
Collaborations
Due to space constraints, the collaborations section will be omitted.
Conclusion
Jan De Weerd's contributions to telecommunications through his patents reflect his innovative spirit and technical expertise. His work continues to influence the industry, showcasing the importance of advancements in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile