Company Filing History:
3 out of 3 
1 out of 1 Years Active: 2024-2025
Title: Ling Ju: Innovator in Sound Gathering and UAV Technology
Introduction
Ling Ju is a notable inventor based in Jiangsu, China, recognized for his contributions to sound gathering technology and unmanned aerial vehicle (UAV) systems. With a total of three patents to his name, he has made significant strides in enhancing the efficiency and effectiveness of these technologies.
Latest Patents
One of Ling Ju's latest patents is a sound gathering device for voiceprint monitoring and its preparation method. This innovative device features a cone structure with a trumpet-shaped front end. The inner wall of the front end is designed with a microstructure pattern array, created through laser etching. This device is capable of monitoring sound wave frequencies ranging from 50 Hz to 10 kHz. Sound waves enter through the front end, reflect off the microstructure, and exit from the rear end, amplifying the sound pressure significantly.
Another significant patent is a system and method for measuring the image distance of power transmission lines using a UAV. This system comprises a UAV, a master console, and multiple cameras that collect 2D image data of power transmission line corridors. The UAV is equipped with a lidar device to gather 3D point cloud data, allowing for precise mapping and distance calculations between target objects and power transmission lines.
Career Highlights
Ling Ju has worked with prominent companies, including State Grid Jiangsu Taizhou Power Supply Company and Allcorehatress (Beijing) Technology Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced technologies in his field.
Collaborations
Throughout his career, Ling Ju has collaborated with talented individuals such as Xingchun Xu and Beibei Weng, who have contributed to his projects and innovations.
Conclusion
Ling Ju's work in sound gathering devices and UAV technology showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving efficiency and accuracy in monitoring and measurement systems.