JPS64852U

JPS64852U -

Info

Publication number: JPS64852U
Application number: JP1987093536U
Authority: JP
Priority date: 1987-06-18
Filing date: 1987-06-18
Publication date: 1989-01-05
Anticipated expiration: 2002-06-18
Also published as: JPH0749660Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す音響信号切換
装置を備える音場再生装置の回路図、第２図は第
１図に示されたそれぞれのゲートの導通・遮断状
態を示す説明図、第３図は第１図の音場再生装置
とステレオ装置との接続関係を示すブロツク図で
ある。主な図番の説明、１，２……ＶＤプレーヤ、３
，４……ＶＴＲ、５……音響入力端子、６……音
響信号選択回路、１２……第１出力端子、１３…
…第２出力端子、１４……録音機器選択回路、１
７……録音信号路、２１……第１信号路、２２…
…第２信号路、２３……第８ゲート、２４……映
像信号選択回路、３０……録画機器選択回路、３
３……フアンクシヨンスイツチ、３９……録音切
換スイツチ、４０……制御回路、４３……保持手
段。 FIG. 1 is a circuit diagram of a sound field reproducing device equipped with an acoustic signal switching device showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the conduction/blocking state of each gate shown in FIG. 1. FIG. 3 is a block diagram showing the connection relationship between the sound field reproducing device shown in FIG. 1 and the stereo device. Explanation of main drawing numbers, 1, 2...VD player, 3
, 4...VTR, 5...Audio input terminal, 6...Audio signal selection circuit, 12...First output terminal, 13...
...Second output terminal, 14...Recording device selection circuit, 1
7... Recording signal path, 21... First signal path, 22...
...Second signal path, 23...Eighth gate, 24...Video signal selection circuit, 30...Recording device selection circuit, 3
3...Function switch, 39...Recording selection switch, 40 ...Control circuit, 43...Holding means.

Claims

[Scope of utility model registration request]

In an audio signal switching device that switches the input of an audio signal to be reproduced on video and audio equipment by operating a function switch, the audio signal to be reproduced on the video and audio equipment is selected in accordance with the operation of the function switch. the function switch; holding means for controlling the selection state of the audio signal selection circuit according to the operation and selectively retaining the selection state of the audio signal selection circuit immediately before the operation when an audio device is selected by the function switch; a recording signal path for supplying the audio signal output from the first output terminal of the audio signal selection circuit to a recording input terminal of a recordable video device; and a first output of the audio signal selection circuit. a first signal path for supplying the acoustic signal outputted from the terminal to an output means for emitting sound from a speaker; and a first signal path connected to the recording signal path via the first signal path, and for selecting the acoustic signal. a second signal path for supplying an acoustic signal output from a second output terminal of the circuit to the output means; and a first signal path for making it possible to separate the second signal path from the recording signal path. and a switching element inserted in the audio signal selection circuit, when the audio signal output from the second output terminal of the audio signal selection circuit is supplied to the output means, the switching element causes the first output terminal of the audio signal selection circuit to be connected to the output means. The second output terminal of the acoustic signal selection circuit can be separated from the recording input terminal of the recording device, and when the audio device is selected by the function switch, the second output terminal of the audio signal selection circuit can be disconnected from the output means. An audio signal switching device characterized in that the selection state immediately before the operation can be maintained, and the audio signal supplied to the output means and the audio signal supplied to the recording input terminal of the recording device are made independent.