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Years Active: 2017-2019
Title: Innovations of Qian Zhang
Introduction
Qian Zhang is a notable inventor based in Hangzhou, China. He has made significant contributions to the field of optical technology and network security. With a total of three patents to his name, Zhang's work reflects a commitment to advancing technology and improving user experiences.
Latest Patents
One of Qian Zhang's latest patents is a zoom lens system designed to provide high-quality images with higher resolution. This innovative system includes a first lens group, an aperture stop, and a second lens group. The first lens group features at least two lens elements with negative refractive power and at least one lens element with positive refractive power. The second lens group has a positive refractive power, and the distance between the first and second lens groups is not fixed.
Another significant patent is a method and system for distinguishing humans from machines and controlling access to network services. This method aims to enhance security by distinguishing legitimate human users from programmed computers. It employs a CAPTCHA technique using Trusted Computing technology over a trusted network. The method detects unusually high network access request frequencies made by identifiable users or trusted modules, thereby improving access control to network services.
Career Highlights
Qian Zhang has worked with prominent companies such as Alibaba Group Holding Limited and Zhejiang Dahua Technology Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of technology in various sectors.
Collaborations
Zhang has collaborated with talented individuals, including Yingfang Fu and Yudong Zhang. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Qian Zhang's contributions to optical technology and network security demonstrate his innovative spirit and dedication to improving technology. His patents reflect a deep understanding of complex systems and a commitment to enhancing user experiences.