Importance

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Abstract

The invention refers to hearing devices (1) and methods of operating hearing devices (1). In one aspect, the hearing device (1) comprises a power supply unit (2) comprising a primary energy storing unit (3) and, in addition, a secondary energy storing unit (4). The power supply unit (2) is configured such that the secondary energy storing unit (4) is rechargeable by means of the primary energy storing unit (3). E.g., the primary energy storing unit (3) has a higher energy density than said secondary energy storing unit (4), and the secondary energy storing unit (4) has a lower internal resistance than said primary energy storing unit (3). This allows to provide electronic circuits (11;12;13;14) of the hearing device (1) with pulsed currents. In another aspect, the hearing device (1) comprises at least one processor (10;13;14), which is alternately operated in one of at least two operating modes. A first operating mode (A) is characterized by high processing activity and high power consumption, a second (B) by low or no processing activity and low or no power consumption. This allows to use of high-clock-frequency processors in a hearing device (1).

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First Claim