JPS6387991U

JPS6387991U -

Info

Publication number: JPS6387991U
Application number: JP18196786U
Authority: JP
Priority date: 1986-11-28
Filing date: 1986-11-28
Publication date: 1988-06-08

Description

[Brief explanation of the drawing]

第１，２図はこの考案の一実施例としてのスピ
ーカ切換装置を示すもので、第１図はその回路図
、第２図はその斜視図である。図において、１…出力端子、２…第１入力端子
、３…第２入力端子、４…電源プラグ、５…切換
スイツチ、６…電磁コイル。なお、図中、同一の
符号は同一、又は相当部分を示している。 1 and 2 show a speaker switching device as an embodiment of this invention, FIG. 1 being a circuit diagram thereof, and FIG. 2 being a perspective view thereof. In the figure, 1... output terminal, 2... first input terminal, 3... second input terminal, 4... power plug, 5... changeover switch, 6... electromagnetic coil. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A first input terminal to be connected to an external speaker terminal of a television receiver or a television tuner, a second input terminal to be connected to a speaker terminal of an amplifier device, and an output terminal to be connected to a speaker; The amplifier device is equipped with a power plug that is inserted into an amplifier device on/off interlocking type power outlet equipped with the amplifier device, and the connection between the first input terminal and the output terminal is performed according to the on/off information of the amplifier device supplied through the power plug. A changeover switch is provided that can selectively change the connection between the second input terminal and the output terminal, and when no voltage is applied to the power plug, the changeover switch connects the connection between the first input terminal and the output terminal. The speaker switching device is configured to switch to connect the second input terminal and the output terminal when a voltage is applied to the power plug. Device.