Company Filing History:
1 out of 9 
1 out of 63 
Years Active: 2007-2010
Title: James F Collum: Innovator in Secure Transmission Systems
Introduction
James F Collum is a notable inventor based in Forest, Virginia, who has made significant contributions to the field of secure transmission systems. With a total of 2 patents to his name, Collum has focused on enhancing the security of digital communication systems.
Latest Patents
Collum's latest patents include a secure transmission system for a digital trunked radio system. This innovative security system utilizes a digital control channel and multiple working channels. The working channels are assigned for temporary use by individual radio units through digital control signals transmitted over the control channel. The system incorporates a digital key that limits access to both the system equipment and the control channel transmissions.
Career Highlights
Throughout his career, James F Collum has worked with several companies, including M/A-COM Private Radio Systems, Inc. and Pine Valley Investments, Inc. His experience in these organizations has contributed to his expertise in developing advanced communication technologies.
Collaborations
Collum has collaborated with notable individuals in the industry, including William Oscar Janky and Eugene Harold Peterson, III. These partnerships have likely enriched his work and led to innovative solutions in secure transmission systems.
Conclusion
James F Collum's contributions to secure transmission systems highlight his role as an influential inventor in the field of digital communication. His patents reflect a commitment to enhancing security in radio systems, showcasing his innovative spirit and technical expertise.