Wei-Hean Liew

Title: Innovations of Wei-Hean Liew

Introduction

Wei-Hean Liew is an accomplished inventor based in Boston, MA, known for his contributions to the field of audio technology. He has been granted three patents, showcasing his innovative approach to enhancing media playback devices and earphone design.

Latest Patents

One of Liew's latest patents is focused on the manufacture of a grille element for a media playback device. This patent describes a manufacturing process where a sheet of plastic is thermoformed into a desired shape. Holes may be drilled into the sheet prior to thermoforming. After the thermoforming process, a coating is applied and cured through a heat treatment process that anneals the material, removing additional stresses. The final component can be bonded to profile substrates to maintain its desired shape.

Another significant patent involves earphone positioning and retention mechanisms. This invention includes a speaker driver and a flexible eartip with a first oval-shaped contact surface designed to fit the outer surface of a user's ear canal. The body portion has a second contact surface that positions behind the anti-tragus of the ear, while a compliant retaining member features a third contact surface that conforms to the cymba conch portion of the ear. This design ensures that all contact surfaces work together for optimal earphone retention.

Career Highlights

Wei-Hean Liew is currently employed at Sonos, Inc., where he continues to innovate in the audio technology sector. His work has significantly contributed to the development of advanced audio products that enhance user experience.

Collaborations

Liew collaborates with talented coworkers, including Brandon Holley and Jerad M Lewis, who contribute to the innovative environment at Sonos, Inc.

Conclusion

Wei-Hean Liew's inventive spirit and dedication to improving audio technology are evident in his patents and contributions to Sonos, Inc. His work continues to shape the future of media playback and earphone design.