James M Lee

Title: Innovations and Contributions of Inventor James M Lee

Introduction

James M Lee is a notable inventor based in Northborough, MA (US). He has made significant contributions to the field of micro-electromechanical systems (MEMS) with a total of 8 patents to his name. His work focuses on enhancing the functionality and reliability of MEMS sensors, which are crucial in various applications.

Latest Patents

One of his latest patents is the "Spread-spectrum MEMS self-test system and method." This invention involves a MEMS sensor that includes a micro-electromechanical structure, a detection circuit, and a self-test circuit. The self-test circuit is designed to inject a variety of test signals into the micro-electromechanical structure, ensuring the health of the MEMS sensor during runtime operations. These test signals are broad-band frequency-varying signals based on spread spectrum modulation, allowing for effective monitoring without interfering with the sensor's primary functions.

Another significant patent is related to "Activity detection in MEMS accelerometers." This method involves storing a value of acceleration and measuring it at a later time. By calculating the change in acceleration and comparing it to an activity threshold, the system can effectively detect activity. Additionally, a method for detecting inactivity is also included, which uses a similar approach along with a timer to determine periods of inactivity.

Career Highlights

James M Lee has worked with prominent companies in the industry, including Analog Devices, Inc. and Analog Devices Global. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in MEMS technology.

Collaborations

Throughout his career, James has collaborated with notable individuals such as Howard R Samuels and Thomas W Kelly. These collaborations have likely enriched his work and led to further innovations in the field.

Conclusion

James M Lee's contributions to MEMS technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative approaches continue to influence the development of reliable and efficient MEMS sensors.