John H Skinner

Title: John H Skinner: Innovator in Network Testing Technologies

Introduction

John H Skinner is a notable inventor based in Billerica, MA (US). He has made significant contributions to the field of network testing technologies, holding a total of 2 patents. His work focuses on improving the efficiency and effectiveness of network devices, particularly those powered by Ethernet.

Latest Patents

One of his latest patents is titled "Method and apparatus for evaluating Ethernet powered devices." This invention includes an apparatus designed to test Ethernet powered devices, featuring a processor with a power negotiation supervisor, a DC power source, and a first interface with an Ethernet medium dependent interface. The apparatus is equipped with a coupling circuit that inserts DC power onto one or more wire pairs of the first interface. Additionally, it includes a first bridging circuit and a measuring circuit to assess the characteristics of DC power delivered to the Ethernet powered device. The DC power source can be configured over a range of voltage levels, allowing for multiple operating voltages to be applied to the device, while the power negotiation supervisor processes power negotiation protocol messages.

Another significant patent by Skinner is "Method and apparatus for testing network interfaces." This invention provides a system to measure transceiver parameters and test network interfaces at a physical layer without the need for specialized interface fixtures or excessive preparation and intervention.

Career Highlights

John H Skinner is currently associated with Sifos Technologies, Inc., where he continues to innovate and develop advanced testing solutions for network technologies. His expertise in this area has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Skinner has collaborated with notable colleagues, including Kendrick R Bennett and Peter G Johnson. These partnerships have contributed to the advancement of network testing methodologies and technologies.

Conclusion

John H Skinner's contributions to network testing technologies through his patents and work at Sifos Technologies, Inc. highlight his role as an influential inventor in the field. His innovations continue to shape the way network devices are evaluated and tested, ensuring improved performance and reliability.