Tony Cheng Han Lee

Title: Tony Cheng Han Lee: Innovator in Button-Press Detection Technology

Introduction

Tony Cheng Han Lee is a notable inventor based in South Portland, ME (US). He has made significant contributions to the field of electronics, particularly in button-press detection technology. With a total of 3 patents to his name, Lee continues to push the boundaries of innovation in his industry.

Latest Patents

One of Lee's latest patents is focused on button-press detection and filtering. This invention provides a method, related circuit, and button-press detection chip for external devices. The button-press signal from a wire control apparatus is coupled to the detection chip, which digitally samples the signal through a filter circuit. This results in a digital logic signal that corresponds to a button, allowing an audio codec to determine which button was pressed and perform the corresponding function. This innovation effectively avoids noise interference in button-press signals, enabling accurate detection without the need for dedicated chips or complex software codes.

Another significant patent by Lee is the accessory detection circuit with improved functionality. This apparatus includes a first connector, a second connector, a detection circuit, and a logic circuit. The connectors are designed for electrical communication with the conducting terminals of an audio jack plug. The detection circuit applies different values of current to each connector, while the logic circuit generates an indication that the audio jack plug is fully inserted based on the detected logic level. This invention enhances the functionality of audio devices by ensuring reliable detection of audio jack connections.

Career Highlights

Tony Cheng Han Lee is currently employed at Fairchild Semiconductor Corporation, where he continues to innovate and develop new technologies. His work has had a significant impact on the electronics industry, particularly in improving user interfaces and device functionality.

Collaborations

Lee has collaborated with several talented individuals in his field, including Shawn Barden and Seth M Prentice. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Tony Cheng Han Lee is a distinguished inventor whose work in button-press detection technology has paved the way for advancements in electronic devices. His innovative patents reflect his commitment to enhancing functionality and user experience in the industry.