Company Filing History:
Years Active: 1976-2000
Title: Innovations of James W. Jones
Introduction
James W. Jones is an accomplished inventor based in Woodside, CA (US). He holds a total of 3 patents that showcase his contributions to electronic devices and motor control systems. His work reflects a commitment to advancing technology in practical applications.
Latest Patents
One of his latest patents is the "Electronic record/play switch with low noise low input impedance." This invention discloses an electronic switching device combined with a low noise, low input impedance preamplifier circuit. The design allows for direct interchange with existing mechanical relay/preamplifier assemblies, ensuring that the operating parameters of record or playback channels remain undisturbed. The assembly includes a balun transformer and a solid-state switch, enhancing the functionality of recorder/reproducer apparatus.
Another significant patent is the "Motor speed control system." This system utilizes an encoder to produce indicator pulses related to the motor's speed. The pulses are compared with a crystal-controlled reference period, allowing for precise digital control with crystal accuracy. The system's design includes a period comparator and charge pumps that control the motor through a power driver, demonstrating a high level of innovation in motor control technology.
Career Highlights
Throughout his career, James W. Jones has worked with notable companies such as Ampex Corporation and Guzik Technical Enterprises. His experience in these organizations has contributed to his expertise in developing advanced electronic systems.
Collaborations
James has collaborated with several professionals in the field, including Walter J. Cheney and Alan G. Grace. These partnerships have likely enriched his work and led to further innovations.
Conclusion
James W. Jones is a notable inventor whose work in electronic devices and motor control systems has made a significant impact. His patents reflect a deep understanding of technology and its applications in everyday life.