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Hearing instrument comprising switched capacitor DC-DC power converter

A technology of DC-DC and switched capacitors, which is applied in the direction of conversion equipment without intermediate conversion to AC, amplifiers with semiconductor devices/discharge tubes, sensors, etc., and can solve the problems of easily interfering with RF signal reception and transmission

Active Publication Date: 2018-05-11
GN HEARING AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the magnetic field radiation generated by magnetic / inductor based DC-DC power converters is prone to interfere with the RF signal reception and transmission of RF wireless transceivers present in hearing devices

Method used

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  • Hearing instrument comprising switched capacitor DC-DC power converter
  • Hearing instrument comprising switched capacitor DC-DC power converter
  • Hearing instrument comprising switched capacitor DC-DC power converter

Examples

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Embodiment Construction

[0041] In the following, various exemplary embodiments of the hearing instrument of the invention comprising a switched capacitor DC-DC converter for energy-efficient DC voltage conversion are described with reference to the accompanying drawings. Those skilled in the art will appreciate that the drawings are schematic and simplified for the sake of clarity, thus only showing details necessary for understanding the invention, while the rest are omitted. The same reference numerals designate the same elements or components throughout. Accordingly, the same elements or components are not necessarily described in detail with respect to each figure. Those skilled in the art will further appreciate that certain actions and / or steps may be described or depicted in a particular order of occurrence, while those skilled in the art will appreciate that such particularity as to order is not actually required.

[0042] figure 1 A simplified schematic block diagram of an exemplary hearin...

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PUM

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Abstract

The present invention relates to a hearing instrument comprising a switched capacitor DC-DC converter. The hearing instrument comprises a rechargeable battery source for providing a battery supply voltage and the switched capacitor DC-DC converter comprising a DC input end coupled to the battery supply voltage for converting the battery supply voltage into a higher or lower DC output voltage. Thehearing instrument comprises at least one active circuit connected to the DC output voltage for energizing active components of the at least one active circuit.

Description

technical field [0001] The present invention relates to a hearing device comprising a rechargeable battery source providing a battery supply voltage and a switched capacitor DC-DC converter comprising a DC input coupled to the battery supply voltage for converting The battery supply voltage is converted to a higher or lower DC output voltage. The hearing device comprises at least one active circuit connected to a DC output voltage for powering active components of the at least one active circuit. Background technique [0002] Switched capacitor DC-DC power converters are known in the art and have been applied to various types of portable communication devices. Switched capacitor DC-DC power converters are used to convert a DC input voltage from an energy source or power source such as a rechargeable battery in a portable device to a higher or lower voltage suitable for powering various types of integrated circuits and other active components. low DC output voltage. Switch...

Claims

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Application Information

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IPC IPC(8): H04R25/00H04R3/00
CPCH04R3/00H04R25/00H04R2420/03H04R2225/43H04R25/02H04R25/04H02M3/07H03F3/183H03F3/217H03F2200/03H04R25/602H04R2225/31H04R2225/59
Inventor 丹尼斯·厄兰德·拉森伊万·哈拉尔德·霍尔格·约根森马丁·温特尔
Owner GN HEARING AS
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