JPH01146645U

JPH01146645U -

Info

Publication number: JPH01146645U
Application number: JP4108188U
Authority: JP
Priority date: 1988-03-30
Filing date: 1988-03-30
Publication date: 1989-10-09

Description

[Brief explanation of the drawing]

第１図は本考案に係る着信用音源の音抜き構造
の一実施例を示す断面図、第２図は電話機の分解
斜視図、第３図〜第５図はそれぞれ従来の音抜き
構造を示す断面図である。１……上ケース、２……下ケース、３……電話
機筺体、４……プリント基板、５……着信用音源
、７……放音孔、２０……ダイヤルボタン、２２
……ガイド孔、２４……ボタンガイドリブ、２６
……押ボタンダイヤルスイツチ、２８……ラバー
シート、３６，３７……音抜き穴。 Fig. 1 is a sectional view showing an embodiment of the sound removal structure of the incoming sound source according to the present invention, Fig. 2 is an exploded perspective view of the telephone, and Figs. 3 to 5 each show a conventional sound removal structure. FIG. 1... Upper case, 2... Lower case, 3... Telephone housing, 4... Printed circuit board, 5... Incoming sound source, 7... Sound emitting hole, 20... Dial button, 22
...Guide hole, 24...Button guide rib, 26
...Push button dial switch, 28...Rubber sheet, 36, 37...Sound hole.

Claims

[Scope of utility model registration request]

In a telephone in which a dial button is freely disposed in a guide hole provided on a surface of an operating section of a telephone housing, a frame-shaped button guide rib that surrounds the guide hole and guides the dial button is integrally formed on the inner surface of the telephone housing. A push-button dial switch protrudes from the button guide rib and includes a rubber sheet on its surface, and a printed circuit board with a ring sound source disposed on its back surface is disposed on the end surface of the button guide rib via the rubber sheet, and A sound hole communicating with the inside of the button guide rib is formed in the substrate and the rubber sheet, corresponding to the ring tone sound source, and the button guide rib is also used as a ring tone resonance box, and the guide hole and the dial button are connected to each other. A sound extraction structure for an incoming sound source in a telephone, characterized in that a gap between the two is also used as a sound emitting hole for an incoming call.