Company Filing History:

7 out of 71

Tropic Networks Inc.

patents

2 out of 58

Alcatel-lucent Canada Inc.

patents

2 out of 2,206

Nokia Solutions and Networks Oy

Years Active: 2003-2023

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11546079 - Protection of channel connections in an optical network (2023-01-03),

2. 10805034 - Protection of channel connections in an optical network (2020-10-13),

3. 8014668 - Method and system for distributed measurement and compensation of chromatic dispersion in an optical network (2011-09-06),

4. 7869709 - Signal identification in optical communications networks (2011-01-11),

5. 7551858 - Signal identification in optical communications networks (2009-06-23),

6. 7224909 - Method and system for selective optical payload cancellation (2007-05-29),

7. 7158723 - Channel identification in communications networks (2007-01-02),

8. 7155122 - Channel identification in communications networks (2006-12-26),

9. 7139486 - Method and apparatus for optical add/drop multiplexing in optical networks (2006-11-21),

10. 7054556 - Channel identification in communications networks (2006-05-30),

11. 7031050 - Method and system for precision cross-talk cancellation in optical amplifiers (2006-04-18),

12. 6754413 - Optical multiplexer, demultiplexer and methods (2004-06-22),

13. 6597161 - Method and apparatus for spectrum analysis with variable detection latency and multiple layer coherent integrations (2003-07-22),

Title: The Innovative Mind of Patrick Chilufya Chimfwembe

Introduction

Patrick Chilufya Chimfwembe is a notable inventor based in Ottawa, Canada, recognized for his significant contributions to optical communications technology. With an impressive portfolio of 13 patents, Chimfwembe continues to shape the industry through innovative solutions that address complex technological challenges.

Latest Patents

Among his recent patents, one of the most groundbreaking is focused on the "Protection of channel connections in an optical network." This invention describes an optical end terminal equipped with protection switching capabilities. The core functionality includes using the optical data receiver to detect path failures and the optical data transmitter to signal these failures to the protection-switching circuit. In this embodiment, the optical data receiver identifies failures based on specific data-recovery errors, while the optical data transmitter generates an in-band dither tone at a predetermined frequency in response to any detected failure. The protection-switching circuit is then able to detect these dither tones in the optical signals, facilitating a swift connection of the optical data receiver to a protection path rather than the working path upon detecting the designated dither tone.

Career Highlights

Chimfwembe has built a successful career by collaborating with prominent companies such as Tropic Networks Inc. and Alcatel-Lucent Canada Inc. His work in these esteemed organizations has enhanced the development of advanced communication technologies, further positioning him as a leader in the field of optical networking.

Collaborations

Throughout his career, Chimfwembe has partnered with talented professionals including Ping Wai Wan and Derrick Remedios. These collaborations have enabled him to access diverse expertise and innovative ideas, contributing to his success as an inventor.

Conclusion

Patrick Chilufya Chimfwembe exemplifies the spirit of innovation with his substantial contributions to the field of optical networks. His latest patents, impressive career, and collaborations illustrate his dedication to advancing technology and solving intricate challenges in communication systems. As he continues to innovate, Chimfwembe is poised to make even greater impacts in the world of optics and telecommunications.

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