Company Filing History:
Years Active: 2019
Title: Innovations by David C. Murray
Introduction
David C. Murray is an accomplished inventor based in San Antonio, Texas. He has made significant contributions to the field of telecommunications through his innovative designs and patents. His work focuses on enhancing the functionality of cellular devices, particularly in the area of SIM card management.
Latest Patents
David C. Murray holds a patent for a Cellular Device SIM Multiplexor and Control Interface. This invention relates to a SIM multiplexing device that provides a mechanism for multiplexing multiple SIM cards into a single SIM device. The SIM Mux device interfaces with the host device via the standard SIM slot. The SIM Mux application resides on the SIM Mux logic device and communicates with the device over the SIM slot's SIM I/O line using standard ISO-7816 messages. This application allows users to select the active SIM slot via a SIM application interface, directing the logic device to activate the appropriate SIM socket on the shared SIM I/O line. This innovation enables users to utilize any one of the populated SIM cards at one time, enhancing the versatility of cellular devices.
Career Highlights
David C. Murray is currently employed at Tionesta, LLC, where he continues to develop innovative solutions in the telecommunications sector. His work has been instrumental in advancing the capabilities of mobile technology.
Collaborations
David collaborates with his coworker, James A. Moryl, to further enhance their projects and drive innovation within their company.
Conclusion
David C. Murray's contributions to the field of telecommunications, particularly through his patented SIM multiplexing device, showcase his commitment to innovation and technology advancement. His work continues to impact the way users interact with cellular devices, making them more efficient and user-friendly.