JPS58191786U

JPS58191786U - electroacoustic transducer

Info

Publication number: JPS58191786U
Application number: JP8910182U
Authority: JP
Inventors: 乙黒　英雄
Original assignee: 株式会社東芝
Priority date: 1982-06-15
Filing date: 1982-06-15
Publication date: 1983-12-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の電気音響変換装置を小形音響機器ととも
に示した斜視図、第２図および第３図は本考案の電気音
響変換装置の一実施例を示す断面図および斜視図、第４
図〜第６図は第２図に示す電気音響変換装置の使用方法
を説明する図、第７図は本考案の他の実施例を示す断面
図である。１・・・・・・小形音響機器、２・・・・・・電気音響
変換装置、５・・・・・・ボリウムつまみ、？、８．２
１・・・・・・ガイド部材、９・・・・・・電気音響変
換素子、１３・・・・・・音量調整部材、１４・・・・
・・半円状固定板、１５・・・・・・半円状回転板、１
７・・・・・・突起、１８・・・・・・案内溝、２０・
・・・・・スピーカボックス（ガイド部材）。FIG. 1 is a perspective view showing a conventional electroacoustic transducer together with a small acoustic device, FIGS. 2 and 3 are sectional views and perspective views showing an embodiment of the electroacoustic transducer of the present invention, and FIG.
6 to 6 are diagrams for explaining how to use the electroacoustic transducer shown in FIG. 2, and FIG. 7 is a sectional view showing another embodiment of the present invention. 1...Small audio equipment, 2...Electroacoustic transducer, 5...Volume knob, ? , 8.2
1...Guide member, 9...Electroacoustic conversion element, 13...Volume adjustment member, 14...
...Semicircular fixed plate, 15...Semicircular rotating plate, 1
7... Protrusion, 18... Guide groove, 20...
...Speaker box (guide member).

Claims

[Scope of utility model registration request]

In an electroacoustic transducer comprising an electroacoustic transducer that converts an electrical signal into an acoustic signal, and a guide member that derives sound emitted by the electroacoustic transducer, the inner diameter of the guide member is changed. An electroacoustic transducer comprising a volume adjustment member for adjusting the output volume.