Qian Dong

Title: Qian Dong: Innovator in Microphone Calibration Technology

Introduction

Qian Dong is a notable inventor based in Philadelphia, PA (US). He has made significant contributions to the field of microphone calibration technology. His innovative work has led to the development of a unique patent that enhances the accuracy of microphone sensitivity measurements.

Latest Patents

Qian Dong holds a patent for an "Interferometric Microphone Calibrator and Comparison Calibrating a Microphone." This invention involves an interferometric microphone calibrator that includes an interferometer in optical communication with a microphone. The device produces interferometer measurement light, which is communicated to the microphone, and it receives backscattered light from the microphone. This process allows for the interferometric calibration of a test microphone's sensitivity to a reference microphone. The system also includes a preamplifier-controller, a microphone driver, and a calibration controller, all working together to ensure precise calibration.

Career Highlights

Qian Dong is currently employed by the Government of the United States of America, as represented by the Secretary of Commerce. His role involves advancing technology and innovation in the field of acoustics and microphone technology. His expertise and dedication have made him a valuable asset to his organization.

Collaborations

Qian Dong has collaborated with notable colleagues, including Richard A. Allen and Randall Paul Wagner. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Qian Dong's contributions to microphone calibration technology exemplify the spirit of innovation. His patent and work with the Government of the United States of America highlight his commitment to advancing technology in this field. His achievements serve as an inspiration for future inventors and innovators.