Lee Tay Chew

Title: Innovations of Lee Tay Chew

Introduction

Lee Tay Chew is a notable inventor based in Cupertino, CA (US). He has made significant contributions to the field of audio technology, particularly in the development of advanced microphone circuits. With a total of 3 patents to his name, his work continues to influence the industry.

Latest Patents

One of Lee's latest patents is titled "Microphone circuits for canceling out the leakage characteristics of a transducer." This invention involves a circuit for biasing a transducer that includes a front-end buffer and a charge pump. The front-end buffer generates an internal signal at an internal node in response to a voltage signal of the second plate. The transducer receives the incident sound wave at the first plate to generate the voltage signal at the second plate. The charge pump boosts the internal signal into a boost voltage at the first plate according to a first clock signal.

Another significant patent is "Digital microphone and control method therefor." This digital microphone includes an acoustic sensor, a bias generator, first and second attenuators, a buffer, an amplifier, an ADC, and a controller. The acoustic sensor transfers an acoustic signal to a voltage signal. The bias generator provides a bias voltage to the acoustic sensor. The first attenuator attenuates the voltage signal by a first attenuation value. The buffer generates a buffered voltage signal, while the amplifier amplifies this signal. The ADC converts the amplified signal to a data signal in digital format. The second attenuator further attenuates the data signal by a second attenuation value. The controller determines whether the amplified signal exceeds a reference value and adjusts the bias voltage and attenuation values accordingly.

Career Highlights

Lee Tay Chew is currently employed at Fortemedia, Inc., where he continues to innovate in the field of digital audio technology. His work has garnered attention for its practical applications and advancements in microphone technology.

Collaborations

Lee collaborates with talented individuals such as Ion E Opris and Abu Hena M Kamal, contributing to a dynamic work environment that fosters innovation.

Conclusion

Lee Tay Chew's contributions to microphone technology through his patents and work at Fortemedia, Inc. highlight his role as a significant inventor in the audio industry. His innovative designs continue to shape the future of digital audio solutions.