Chan Chee Oei

Title: Innovations of Chan Chee Oei

Introduction

Chan Chee Oei is a notable inventor based in Singapore, known for his contributions to the field of electronics and integrated circuits. He holds three patents that showcase his innovative approach to solving complex engineering challenges. His work has significantly impacted the design and functionality of electronic devices.

Latest Patents

One of Chan Chee Oei's latest patents is an infra-red wireless receiver with novel shielding and IR front end signal enhancement. This invention features a high data-rate infra-red wireless receiver that improves sensitivity by utilizing concave reflectors to concentrate radiation energy on an array of photo-diodes. It effectively reduces radio frequency and visible light interference, as well as temperature-dependent variations of the photo-diode response.

Another significant patent is the design method for compensation of process variation in CMOS digital input circuits. This invention describes an improved design of CMOS digital input circuits that reduces the switching level uncertainty range, thereby increasing the noise margin. The improvement is achieved by incorporating resistive compensation devices in series with the P-type and N-type CMOS transistors in the first stage of a multistage digital input circuit. These devices can be implemented using resistors or MOSFETs, modifying the input-output voltage transfer characteristics to enhance tolerance to input noise levels.

Career Highlights

Chan Chee Oei has worked with several prominent companies, including Tritech Microelectronics Ltd and Freesystems Pte Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the electronics sector.

Collaborations

Throughout his career, Chan has collaborated with talented individuals such as Yap Hwa Seng and Uday Dasgupta. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Chan Chee Oei's innovative patents and career achievements highlight his significant contributions to the field of electronics. His work continues to influence the design and functionality of modern electronic devices, showcasing the importance of innovation in technology.