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Remote control data transmitting and receiving apparatus for hearing-aid

A hearing aid remote control and receiving device technology, applied to hearing aids, loop antennas with ferromagnetic material cores, helical antennas, etc., to achieve space-saving and small volume effects

Inactive Publication Date: 2004-09-08
シバントスゲゼルシャフトミットベシュレンクテルハフツング
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the oscillating circuit oscillates at its resonant frequency rather than precisely at an externally given, desired frequency

Method used

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  • Remote control data transmitting and receiving apparatus for hearing-aid

Examples

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Embodiment Construction

[0020] The embodiment described below is a preferred embodiment of the present invention.

[0021] according to figure 1 In the circuit shown in , the transmitter 1 has one or more transmitting coils 2 . These transmitting coils are coupled to a receiving coil 4 via a common magnetic core 3 . An oscillator circuit capacitor 5 is connected in parallel with the receiving coil. A protective circuit consisting of a protective capacitor 6 and a parallel circuit of two anti-parallel diodes 7 and 8 connected in series is connected across the parallel oscillating circuit. Diodes 7 and 8 connected in parallel are connected at the input of receiver 9 .

[0022] The working of this circuit is explained in detail below. The always required receiving coil 4 is wound on the same magnetic core as the transmitting coil 2 . Thus, the receiving coil 4 , which completes the oscillator circuit with its associated capacitor 5 , is also excited to oscillate by the transmitting coil 2 . Since ...

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Abstract

A device to transmit and receive data for remote control of hearing devices has a reduced size achieved by the transmitter coils of the transmitter and the receiver coil of the receiver being wound around a common, shared core. Moreover, a protective capacitor that is used to protect the receiver is at the same time used as a correction capacitor to correct the resonant frequency of a reception oscillator circuit.

Description

technical field [0001] The invention relates to a data remote transmission and reception device for hearing aids, which has a transmitting part with a transmitting coil for transmitting data and a receiving part with a receiving coil for receiving data. Background technique [0002] One such device is disclosed in document DE 20114461. The device is used as a transmitting and / or receiving unit of the hearing aid for wireless data transmission between the hearing aid and at least one external device. In this case, several transmitting and / or receiving coils are arranged in different spatial directions. [0003] Furthermore, the document DE 4431446 discloses a transponder antenna arrangement using a plurality of mutually magnetically tightly coupled coils. Here, two or more coils arranged in a common magnetic core are used for data transmission. [0004] For transmitting and receiving signals in the transceiver, coils are preferably used in the long-wave range, since induct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R25/00
CPCH01Q1/273H04R2225/51H01Q7/08H04R25/558H01Q11/08H01Q7/06
Inventor 于尔根·赖辛格
Owner シバントスゲゼルシャフトミットベシュレンクテルハフツング