Location History:
- Norwood, MA (US) (1998)
- Durham, NC (US) (1997 - 1999)
Company Filing History:
Years Active: 1997-1999
Title: Innovations of John K Fogg
Introduction
John K Fogg is a notable inventor based in Durham, NC (US), recognized for his contributions to electronic switch technology. With a total of four patents to his name, Fogg has made significant advancements in the field of electronics.
Latest Patents
Among his latest patents is the "Bridge control circuit and method," which focuses on a method and control circuit for an electronic switch, particularly the high side switch in a bridge circuit. This innovation establishes control through continuous and/or a combination of continuous and pulsed signals, ensuring fail-safe undervoltage protection for the high side switch based on the adequacy of both high side and low side control voltages. Another significant patent is the "Silent start class D amplifier," which addresses startup noise in a class D amplifier. This is achieved by incorporating an analog switch into the integrator circuit, with a resistor in the feedback path to prevent saturation. An alternate embodiment connects a variable resistance to the comparator input, gradually increasing the resistance.
Career Highlights
Fogg has worked with prominent companies such as Harris Corporation and Celestica, Inc., where he has applied his expertise in electronic systems. His work has contributed to the development of innovative solutions in the electronics industry.
Collaborations
Throughout his career, Fogg has collaborated with notable individuals, including George Edward Danz and Larry A King, enhancing his projects with diverse insights and expertise.
Conclusion
John K Fogg's contributions to electronic switch technology and his innovative patents reflect his significant impact on the field. His work continues to influence advancements in electronics, showcasing the importance of innovation in technology.