Ultrasound‐powered implants (UPIs) represent cutting edge power sources for implantable
medical devices (IMDs), as their powering strategy allows for extended functional lifetime …

Most commercially available cochlear implants and hearing aids use microphones as
sensors for capturing the external sound field. These microphones are in general located in …

This paper reports the development of a single cantilever thin film PLD-PZT transducer
prototype. The device was experimentally characterized by attaching it on an acoustically …

This paper presents a low-profile and autonomous piezoelectric energy harvesting system
consisting of an extraction rectifier and a maximum power point tracking (MPPT) circuit for …

Acoustic signals are important markers to monitor physiological and pathological conditions,
eg, heart and respiratory sounds. The employment of traditional devices, such as …

The presence of external elements is a major limitation of current hearing aids and cochlear
implants, as they lead to discomfort and inconvenience. Totally implantable hearing devices …

This paper presents a self-powered interface circuit to extract energy from ambient vibrations
for powering up microelectronic devices. The circuit interfaces a piezoelectric energy …

This paper presents a self-adapting synchronized-switch harvesting (SA-SSH) interface
circuit to extract energy from vibration-based piezoelectric energy harvesters (PEHs). The …

The paper presents a comprehensive review of mechanical energy harvesters and
microphone sensors for totally implanted hearing systems. The studies on hearing …

Fully implantable, self-powered hearing aids with no external unit could significantly
increase the life quality of patients suffering severe hearing loss. This highly demanding …