Method and apparatus for generating a supply voltage for a heari

Details Method and apparatus for generating a supply voltage for a heari Method and apparatus for generating a supply voltage for a heari

1996-12-23

1999-05-25

Wong, Peter S.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323224, 323283, 323290, G05F 110, G05F 1613, G05F 140

Patent

active

059072350

ABSTRACT:
The present invention relates to a method to generate at least a supply voltage to supply energy to a hearing device, whereas the ratio between the supply voltage and the source voltage is adjustable. The hearing device substantially comprises a source (Q), at least a switching element (S1, . . . , Sn), at least an energy transfer element (EUE), at least an energy storing element (ES), a load (Z) and a control unit (CTRL), whereas the method consists in that, in a first step, the control unit (CTRL) acts on the switching elements (S1, . . . , Sn), such that energy is transferred from the source (Q) to the energy transfer elements (EUE), that, in a second step, the control unit (CTRL) acts on the switching elements (S1, . . . , Sn), such that at least a part of the energy stored in the energy transfer elements (EUE) is transferred to the energy storing elements (ES) to build a supply voltage across the load (Z).

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