Location History:
- Pulau Pinang, MY (2013)
- Penang, MY (2015 - 2022)
Company Filing History:
2 out of 34 
1 out of 1,813 
1 out of 1,419 Years Active: 2013-2022
Title: Keng Yeam Chang: A Pioneer in Amplifying Circuits and Optical Navigation
Introduction
Keng Yeam Chang, an innovative inventor based in Penang, Malaysia, has made significant contributions to the field of electronics, particularly in developing amplifying circuits and optical navigation devices. With four patents to his name, Chang is a prominent figure in his domain, consistently pushing the boundaries of technology.
Latest Patents
Among Keng Yeam Chang's latest patents are two notable inventions. The first is an amplifying circuit designed to operate in two distinct modes: sample mode and hold mode. This sophisticated circuit incorporates an amplifier and a current providing circuit, which supplies different bias currents during the varying modes, ensuring power efficiency while enhancing performance.
The second is a driving circuit that integrates fault detection with an optical input device. This innovation includes a switch, a driver unit, and a fault detection circuit, all of which work in unison to generate a driving current and detect potential faults in light-emitting diodes (LEDs). This technology not only increases the reliability of the LED operations but also enhances system safety.
Career Highlights
Keng Yeam Chang has been associated with several leading technology firms, where he has honed his skills and contributed to pioneering projects. Notable among these are his tenures at Pixart Imaging Sdn. Bhd. and Avago Technologies General IP Pte. Ltd. His work at these companies has significantly impacted the development of advanced electronic solutions.
Collaborations
Throughout his career, Chang has collaborated with notable professionals, including Poh Weng Yem and Lee Ling Teh. These partnerships have fostered a creative environment leading to innovative breakthroughs in their respective fields.
Conclusion
Keng Yeam Chang's impressive portfolio of patents and his contributions to leading tech companies underscore his stature as a skilled inventor in the electronics industry. His ongoing innovations in amplifying circuits and optical navigation devices demonstrate not just his technical capabilities but also his commitment to enhancing modern technology.