Ka Hung Kwok

Title: Ka Hung Kwok: Innovator in RF-to-DC Energy Harvesting Technology

Introduction

Ka Hung Kwok is a prominent inventor based in Hong Kong, CN. He has made significant contributions to the field of energy harvesting through his innovative designs. His work focuses on developing technologies that convert radio frequency (RF) energy into usable electrical power.

Latest Patents

One of Ka Hung Kwok's notable patents is the "Quad-array diode-less RF-to-DC rectifying charge-pump converter for energy harvesting." This invention allows for the charging of batteries or powering of circuits using the energy harvested from received radio waves. The RF energy captured is minimal, especially in far-field applications, necessitating a highly sensitive converter. The design features four capacitor arrays organized into two banks, with buffered RF signals pumping the bottom plates of the capacitors. A series of L-switches connects the two capacitor arrays within each bank, facilitating efficient energy transfer.

Career Highlights

Ka Hung Kwok is affiliated with the Hong Kong Applied Science and Technology Research Institute, where he continues to advance research in energy harvesting technologies. His work has garnered attention for its potential applications in various fields, including wireless communication and sustainable energy solutions.

Collaborations

Ka Hung Kwok collaborates with talented colleagues, including Kwok Kuen (David) Kwong and Yat Tung Lai. Their combined expertise contributes to the innovative projects at the research institute.

Conclusion

Ka Hung Kwok's contributions to RF-to-DC energy harvesting technology exemplify the impact of innovative thinking in addressing modern energy challenges. His work not only enhances the efficiency of energy conversion but also paves the way for future advancements in sustainable energy solutions.