Elmer Wu

Title: Elmer Wu and His Work on Multiferroic Antennas.

Introduction

Elmer Wu is an inventor associated with the University of California and based in Rowland Heights, California. His patent work focuses on antenna technology that uses multiferroic materials to support compact, energy-efficient communication devices.

Latest Patents

Wu is credited with 1 patent, titled “Extremely Electrically Small Antennas Based on Multiferroic Materials.” The patent describes an antenna apparatus and method designed to improve energy efficiency and simplify implementation.

The invention couples magnetoelastic or magnetostrictive resonators to a piezoelectric substrate, with electrodes attached to the substrate’s opposing surfaces. In receive mode, electromagnetic radiation excites magnetic oscillations in the resonators, producing mechanical waves that cause the substrate to generate an electrical output signal. In transmit mode, an electrical signal applied through the electrodes creates mechanical waves in the substrate, exciting the resonators to emit electromagnetic waves.

Career Highlights

Wu’s listed patent highlights an approach to antenna design that combines magnetic and piezoelectric effects. The described structure supports both transmitting and receiving signals, offering a potential route to extremely small antennas.

Collaborations

Wu’s listed coworkers include Wenzhong Yan and Abdon E. Sepulveda. The patent’s technical description reflects collaborative work on multiferroic antenna design.

Conclusion

Elmer Wu’s patent presents a compact antenna concept that uses coupled resonators and a piezoelectric substrate to convert between electromagnetic signals and mechanical motion.