Dong-Jun Kum

Title: Innovations of Dong-Jun Kum

Introduction

Dong-Jun Kum is a notable inventor based in Anyang-si, South Korea. He has made significant contributions to the field of digital multimedia broadcasting and mobile positioning systems. With a total of four patents to his name, his work has had a considerable impact on technology.

Latest Patents

One of his latest patents is a conditional access method and DMB system for regionally limiting DMB reception. This innovation allows a DMB station to collect information about the location of a DMB receiving terminal when a broadcast channel with regional conditional access features is being transmitted. The system checks subscribers whose reception of the broadcast channel is limited based on their current location. The DMB receiving terminal then descrambles and outputs a transport stream packet according to the received subscriber entitlement information, effectively limiting access to specific broadcast channels based on user location.

Another significant patent is an apparatus and method for calculating satellite acquisition information to recognize the position of a mobile station. This invention involves a network-assisted GPS system that includes a mobile station with a GPS receiver and a position determination entity containing a reference station GPS receiver. The apparatus collects satellite orbital information and calculates pseudo ranges and velocities to determine the position of the mobile station accurately.

Career Highlights

Dong-Jun Kum is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate and develop new technologies. His work at Samsung has allowed him to be at the forefront of advancements in multimedia broadcasting and mobile positioning systems.

Collaborations

He has collaborated with notable coworkers, including Jae-Young Jung and Young-Sik Lee, contributing to various projects that enhance the capabilities of their technologies.

Conclusion

Dong-Jun Kum's contributions to the fields of digital multimedia broadcasting and mobile positioning systems highlight his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving user experiences in these domains.