Company Filing History:
Years Active: 2010
Title: The Innovations of Inventor Chenggang Duan
Introduction
Chenggang Duan is a prominent inventor based in Shanghai, China, notable for his contributions to technology through his inventive patents. With a focus on enhancing telecommunications and cryptographic systems, Duan holds two patents that reflect his expertise and innovative spirit.
Latest Patents
Duan's latest patents showcase his ability to blend functionality with cutting-edge technology. The first patent is for a "Framer/Mapper/Multiplexor device with 1+1 and equipment protection." This invention allows for simultaneous sending of protection copies of high-speed and low-speed signals, which ensures reliability in signal transmission. It can effectively switch between working and protection signals, providing a robust solution for equipment protection at multiple levels.
His second patent is titled "Bit based arithmetic coding using variable size key cipher." This patent outlines an encryption and decryption device and method that employs a bit-based encryption scheme. The device generates a working key from a main key and random numbers, applying frequency counts to encode plaintext into encrypted text. The design emphasizes simplicity and adaptability, making it particularly beneficial for cryptography and e-commerce applications.
Career Highlights
Chenggang Duan is affiliated with Agere Systems Inc., where he continues to develop technologies that push the boundaries of innovation. His contributions at Agere Systems have not only enhanced the company’s portfolio but also influenced advancements in various tech sectors.
Collaborations
Working alongside notable colleagues such as Si Ruo Chen and Lin Hua, Duan has engaged in collaborative efforts that foster innovation within his field. Together, they strive to enhance current technologies and explore new possibilities in telecommunications and security.
Conclusion
Chenggang Duan's inventive contributions, particularly in the realms of signal transmission and cryptographic technology, reflect his commitment to advancing technological boundaries. With two significant patents to his name, Duan continues to be a valuable asset in the innovation landscape, paving the way for future developments in his industry.