Company Filing History:
Years Active: 1998-2003
Title: **Innovations by Inventor Chenjun Fan**
Introduction
Chenjun Fan, an accomplished inventor based in Nepean, Canada, has made significant contributions to the field of optical telecommunications. With a total of two patents to his name, he has demonstrated a commitment to advancing technology in innovative ways. His work primarily focuses on optical coupling arrangements and control mechanisms.
Latest Patents
Chenjun Fan's latest patents include an **Optical Coupling Arrangement** and a **Voltage Controlled Attenuator**. The Optical Coupling Arrangement patent discloses an optical coupler featuring a compound lens that includes two separate movable lenses located between input/output ports and a filter element, such as a dichroic filter. The innovation lies in tuning the filter during assembly by adjusting the gap between these movable lenses. Once optimal coupling and a desired wavelength response are achieved, the two lenses are then fixed in position.
The Voltage Controlled Attenuator patent describes a device for optical telecommunication systems. This innovation includes an optical attenuator positioned between an input and output lens that obstructs the path of an incoming light beam. This attenuator can vary its level of obstruction (reflection, absorption, etc.) to maintain a preset power of the outgoing beam. The design incorporates a feedback mechanism where a portion of the outgoing signal is diverted to an output detector, allowing for the processing of a control signal which adjusts a DC motor to reposition the attenuator based on desired output power.
Career Highlights
Throughout his career, Chenjun Fan has worked with several prominent companies in the telecommunications sector, including JDS Fitel Inc. and JDS Uniphase Corporation. His tenure at these companies has enabled him to gain extensive experience in innovation and development within the technology landscape.
Collaborations
In his professional journey, Chenjun Fan has collaborated with notable coworkers such as Carey M. Garrett and Darko Cugalj. These partnerships have likely contributed to his success as an inventor, facilitating the sharing of ideas and expertise within the field.
Conclusion
Chenjun Fan's achievements in patenting innovative solutions for optical telecommunications highlight his role as a pivotal figure in the industry. His work on the Optical Coupling Arrangement and Voltage Controlled Attenuator showcases his ability to address complex challenges through inventive thinking. As technologies continue to evolve, inventors like Chenjun Fan will play a crucial role in shaping the future of optical communication.