This inventor holds 4 USPTO granted patents. Top assignees: International Business Machines Corporation, Transwitch Corporation. Active years: 1981-2001.
Company Filing History:
3 out of 166,325 
1 out of 86 Years Active: 1981-2001
Title: Innovations of Phillip R Epley
Introduction
Phillip R Epley is a notable inventor based in Raleigh, NC (US). He holds a total of 4 patents that showcase his contributions to technology and engineering. His work primarily focuses on signal processing and network transceivers, demonstrating his expertise in these fields.
Latest Patents
One of his latest patents is titled "Method and apparatus for correcting imperfectly equalized bipolar signals." This invention includes an apparatus designed to correct imperfectly equalized bipolar signals through a delay line, an AND gate, and a one-shot multivibrator. The apparatus works in conjunction with an adaptive equalizer, ensuring that narrow pulses are removed from the signal, thus generating corrected signals of equal length.
Another significant patent is the "Single-port network node transceiver with powered-down protection." This transceiver is engineered to avoid drawing substantial current from the network when powered down, complying with ISDN specifications. It features pull-up transistors that prevent current draw when the power is off, along with ESD overvoltage protection diodes to enhance its reliability.
Career Highlights
Phillip R Epley has worked with prominent companies such as IBM and Transwitch Corporation. His experience in these organizations has contributed to his development as an inventor and has provided him with a platform to innovate in the field of technology.
Collaborations
Throughout his career, Epley has collaborated with notable individuals, including Jerome P Dahl and Jon E Fox. These collaborations have likely enriched his work and expanded his innovative capabilities.
Conclusion
Phillip R Epley is a distinguished inventor whose patents reflect his significant contributions to technology. His work in signal processing and network transceivers continues to influence the industry.