This inventor holds 7 USPTO granted patents. Top assignees: Marconi Communications Gmbh, Marconi UK Intellectual Property Limited, Ericsson Ab. Active years: 2004-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nottingham, GB (2004 - 2005)
- Chilwell Nottingham, GB (2005)
- Chitwell, GB (2005)
- Chilwell, GB (2005 - 2009)
Company Filing History:

Years Active: 2004-2009
Title: The Innovations of Graham Butler
Introduction
Graham Butler is a notable inventor based in Nottingham, GB. He has made significant contributions to the field of optical communications, holding a total of seven patents. His work focuses on improving the efficiency and reliability of optical systems.
Latest Patents
One of Graham Butler's latest patents is related to the control of avalanche photodiodes bias voltage. This invention involves an optical communications system that utilizes forward error correction (FEC) to rectify errors in signals transmitted through the system. The system drops optical signals at nodes, converting them to electrical signals via avalanche photodiodes (APDs) at the node receivers. The FEC chip processes the electrical signal to correct errors, and the error rate is monitored to adjust the APD bias voltage, which influences signal noise and error rates. Another significant patent focuses on stabilizing the power and wavelength of output radiation from a stabilized radiation source in optical communications systems. This invention includes a distributed feedback laser and a control circuit that stabilizes the laser in response to signals generated by optical detectors.
Career Highlights
Graham Butler has worked with several prominent companies, including Marconi UK Intellectual Property Limited and Marconi Communications GmbH. His experience in these organizations has contributed to his expertise in optical communications and patent development.
Collaborations
Graham has collaborated with notable individuals in his field, including Michael J. Leach and Roger W. Brown. Their joint efforts have likely enhanced the innovation process and led to the development of groundbreaking technologies.
Conclusion
Graham Butler's contributions to optical communications through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in technology and communication systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile