Browse Prior Art Database

Flex PCB with S Bend for Flexibility Open/Close

IP.com Disclosure Number: IPCOM000181497D
Original Publication Date: 2009-Apr-27
Included in the Prior Art Database: 2009-Apr-27
Document File: 2 page(s) / 139K

Publishing Venue

Siemens

Related People

Juergen Carstens: CONTACT

Abstract

Hearing apparatuses and in particular hearing devices are to be designed smaller. Thus, state of the art devices integrate an electrical control facility for controlling the hearing apparatus into the cover for covering a programming connection of the hearing apparatus. This multifunctionality of the cover allows installation space to be saved. It is particularly favorable if an actuating element of an electrical push button is mounted to the same bolt to which the cover itself is also mounted. The electrical wiring of such a push button, however, is crucial and not always robust. In particular the use of litz wires in current hearing aid designs have shown to be unreliable.

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Flex PCB with S Bend for Flexibility Open/Close

Idea: Wee Haw Koo, SG-Singapore; Chow Lan Yap, SG-Singapore; Meng Kiang Lim, SG- Singapore; Mo Choong Chan, SG-Singapore; Beng Hai Tan, SG-Singapore

Hearing apparatuses and in particular hearing devices are to be designed smaller. Thus, state of the art devices integrate an electrical control facility for controlling the hearing apparatus into the cover for covering a programming connection of the hearing apparatus. This multifunctionality of the cover allows installation space to be saved. It is particularly favorable if an actuating element of an electrical push button is mounted to the same bolt to which the cover itself is also mounted. The electrical wiring of such a push button, however, is crucial and not always robust. In particular the use of litz wires in current hearing aid designs have shown to be unreliable.

In the following a full flex PCB (Printed Circuit Board) with a pre-bended S shape is introduced to increase the flexibility in the opening and closing of a push button or flap cover of a hearing apparatus (see Figure 1).

In another embodiment of the proposed design, a tact switch and a display element (e.g. Light Emitting Diode) can be implemented into the above mentioned integrated push button cover. Additionally, the cover can feature a light guide to support such a display ele...