Alanson P. Sample

Hierarchical resonators for localized charging in room-scale magnetoquasistatic wireless power systems

Abstract Magnetoquasistatic wireless power transfer can deliver substantial power to mobile devices over near-field links. Room-scale implementations, such as quasistatic cavity resonators, extend this capability over large enclosed volumes, but their efficiency drops sharply for...

SafeSpeaker: Voice Obfuscation for Resource-Constrained IoT Devices

Embodied voice assistants offer an intuitive and powerful interaction modality, but they also pose significant privacy-leakage risks when uploading raw voice recordings to the cloud for processing. These voice recordings contain a wealth of private information beyond just spoken...