A hearing device and a method for power supply management of a hearing device is provided, the hearing device comprising a processing unit; a main power source; a first power supply connected to the main power source unit; a magnetic induction unit configured for reception and transmission of wireless signals; wherein the hearing device is configured to deactivate the first power supply during reception of wireless signals.

The present disclosure relates to an integrated circuit switched capacitor DC-DC converter which comprises a first switched capacitor converter based on at least one external flying capacitor and a second switched capacitor converter which comprises a plurality of internal flying capacitors. A controller is configured to select a converter topology of the first switched capacitor converter and a select a converter topology of the second switched capacitor converter.

A hearing aid has an input transducer, a signal processing device and an output transducer. Furthermore, the hearing aid has an inductive receiver, wherein the inductive receiver contains a tunnel magnetoresistance (TMR) sensor. The inductive receiver is configured to receive audio signals of an inductive hearing system. A DC voltage converter is disposed upstream of the TMR sensor, and the DC voltage converter is upstream of the input transducer.

A hearing instrument comprises a wireless communication unit interconnected with an antenna for emission and reception of an electromagnetic field having an RF wavelength, a speaker interconnected with the wireless communication unit and being configured to provide an output audio signal. A battery is configured to supply power to the hearing instrument and a filter circuit interconnects the battery and a power management circuit of the hearing instrument. The antenna extends from a feed and at least a part of the antenna being is arranged adjacent the battery. A distance between the at least part of the antenna and the battery is below 1/40 of the wavelength. The filter circuit is configured to de-couple the battery and the power management circuit at frequencies above 3 MHz and configured to connect the battery to the power management circuit at frequencies below 300 kHz.

Embodiments of the present invent include a method of controlling unwanted vibration in a tympanic lens, wherein the tympanic lens comprises a perimeter platform connected to a microactuator through at least one biasing element, the method comprising the step of: damping the motion of the at least one biasing element. In embodiments of the invention, the at least one biasing element is a spring. In embodiments of the invention, the at least one bias spring is coated in a damping material.

The maintenance device for at least one hearing aid having an earbud that is connected by an electronic cable to an earloop containing a rechargeable battery includes a device for charging the battery of the hearing aid and an aeraulic circuit that is configured to optimize the drying of the hearing aid.

A bone conduction device is configured to classify received sound signals (sounds) into one or more sound categories/classes (i.e., determine the input signal type). The bone conduction device is configured to dynamically set a maximum force output (MFO) of the bone conduction device at least based on the sound class of the sound signals.

A hearing aid system according to some examples includes a hearing aid which includes a microphone, amplifier, speaker, and a telecoil. In some examples, the hearing aid may include a battery or a capacitor for storing power wirelessly received from a distance separated wireless power transfer unit. The telecoil may be configured to receive audio signals and couple the audio signals to audio processing circuitry of the hearing aid. The telecoil may be further configured to receive power signals from the base unit and couple the power signals to power supply circuitry of the hearing aid, for example for charging the battery of the hearing aid. Examples of transmitter and receiver coils, and of distance and orientation optimization are described. Examples of wireless charging systems that may be used with hearing aids or other medical assistance devices are described.

The present disclosure relates to a hearing aid comprising at least one sensor configured to provide a sensing signal, and at least one sensing signal processing circuit, comprising a first switch bias buffer circuit comprising a first voltage buffer configured to receive the sensing signal and to provide a first buffer signal at a reduced impedance node, and a first switching circuit configured to modulate the output voltage of the first voltage buffer.

A hearing aid is shown and described. The hearing aid includes a body portion having a microphone, an earplug in communication with the body portion having a speaker, a battery and visible and audible beacons disposed in the body portion, and circuitry or programming designed to provide a spatialization function. The hearing aid includes a material having coloring corresponding to the skin pigmentation of a user. The hearing aid is designed to maintain a reserve level of battery power. The hearing aid is waterproof, and can be controlled by a remote controller or cellular telephone application.