Harold Simmonds

Title: Harold Simmonds: Innovator in CMOS Technology

Introduction

Harold Simmonds is a notable inventor based in Stewartsville, NJ (US), recognized for his contributions to the field of integrated circuit technology. With a total of seven patents to his name, Simmonds has made significant advancements in the design and functionality of CMOS switches.

Latest Patents

One of Simmonds' latest inventions is the bidirectional integrated CMOS switch. This innovative switch is capable of handling voltages that exceed the typical supply and ground potentials. It consists of NMOS and PMOS transistors that form the switch conductor path, along with a diode bridge and control circuitry. This design allows the switch to be activated and deactivated using low voltage logic, independent of the voltages present on the switch terminals. The invention facilitates the switching of high voltage loads that operate at arbitrary or floating voltages in relation to the low voltage power supply and ground. Additionally, it provides on/off control of the switch using standard low voltage logic levels, while ensuring bidirectional switching without the interference of parasitic body diodes found in CMOS devices.

Career Highlights

Throughout his career, Harold Simmonds has worked with prominent companies such as Agere Systems Inc. and Telephonics Corporation. His experience in these organizations has contributed to his expertise in the field of electronics and integrated circuit design.

Collaborations

Simmonds has collaborated with notable colleagues, including William Eric Holland and Wenzhe Luo, further enhancing his work in the industry.

Conclusion

Harold Simmonds stands out as an influential inventor in the realm of CMOS technology, with his innovative designs paving the way for advancements in electronic switching systems. His contributions continue to impact the field significantly.