JPS6263833U

JPS6263833U -

Info

Publication number: JPS6263833U
Application number: JP15584285U
Authority: JP
Priority date: 1985-10-11
Filing date: 1985-10-11
Publication date: 1987-04-21

Description

[Brief explanation of the drawing]

図示した回路は、本考案の切換回路の一実施例
である。主な図番の説明、１……第１磁気ヘツド、２…
…第２磁気ヘツド、３……テープレコーダー回路
、６……再生用増幅回路、８……スイツチ回路、
１１……制御回路、１５……第１スイツチ、１６
……第１スイツチングトランジスター、１７……
第１制御トランジスター、１８……第１微分回路
、２１……第１トリガー用トランジスター、２２
……第２スイツチ、２３……第２スイツチングト
ランジスター、２４……第２制御トランジスター
、２５……第２微分回路、２８……第２トリガー
用トランジスター、２９……第１発光ダイオード
、３１……第２発光ダイオード。 The illustrated circuit is one embodiment of the switching circuit of the present invention. Explanation of main drawing numbers, 1...first magnetic head, 2...
... second magnetic head, 3 ... tape recorder circuit, 6 ... reproduction amplifier circuit, 8 ... switch circuit,
11 ... Control circuit, 15... First switch, 16
...First switching transistor, 17...
First control transistor, 18 ...First differential circuit, 21...First trigger transistor, 22
...Second switch, 23...Second switching transistor, 24...Second control transistor, 25 ...Second differential circuit, 28...Second trigger transistor, 29...First light emitting diode, 31... ...Second light emitting diode.

Claims

[Scope of utility model registration request]

A tape recorder in which first and second tape recorders having at least a playback function are built into the same cabinet, a first magnetic head built into the first tape recorder and performing a playback operation, and a second tape recorder. a second magnetic head that is incorporated in the recorder and performs a reproducing operation; a reproducing amplifier circuit that receives a signal reproduced by the first magnetic head or the second magnetic head and amplifies the signal; A first switch that is switched when a playback operation is performed on the tape recorder, a second switch that is switched when a playback operation is performed on a second tape recorder, and a switch that is reversed and later switched when the first switch and the second switch are switched. a control circuit that outputs a switching signal in response to a switched switch; and a control circuit that outputs a switching signal in response to a switching signal, and a control circuit that outputs a switching signal in response to a switching signal from the first magnetic head or the second magnetic head in response to a switching signal from the control circuit. and a switch circuit that guides the playback signal from the magnetic head to the playback amplifier circuit. A switching circuit for a tape recorder, characterized in that the switching circuit leads to the reproduction amplifier circuit.