Envoy Medical Inc. has announced the issuance of three new patents in Australia, further bolstering its intellectual property portfolio. The patents include Australian Patent No. 2021391396, titled "Implantable Cochlear Implant Stimulation Calibration," focusing on cochlear implant systems with a testing circuit for current calibration during stimulation. Another, Australian Patent No. 2021390456, titled "Combination Hearing Aid and Cochlear Implant System," addresses the integration of cochlear implants with external hearing aids to improve simultaneous operation. The third, Australian Patent No. 2022227534, titled "Recharge System for Implantable Battery," involves systems for predicting thermal doses and optimizing charging conditions for implanted rechargeable batteries.