JPH0446715U - - Google Patents
Info
- Publication number
- JPH0446715U JPH0446715U JP8917090U JP8917090U JPH0446715U JP H0446715 U JPH0446715 U JP H0446715U JP 8917090 U JP8917090 U JP 8917090U JP 8917090 U JP8917090 U JP 8917090U JP H0446715 U JPH0446715 U JP H0446715U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- circuit
- doors
- volume
- detection circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims 1
- 230000002238 attenuated effect Effects 0.000 claims 1
- 230000009849 deactivation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図はこの考案に係る車載用音響機器の実施
例を示す構成ブロツク図である。第２図は従来例
の車載用音響機器の音量機器の音量調整操作の位
置を示す図である。
主な符号の説明、１……ドア開閉検出回路、２
……窓開閉検出回路、３……制御回路、４……ミ
ユート動作ＯＮ／ＯＦＦスイツチ、５……音響ソ
ース、６……ミユート回路、７……ボリユーム、
８……アンプ、９……スピーカ。
FIG. 1 is a structural block diagram showing an embodiment of the in-vehicle audio equipment according to this invention. FIG. 2 is a diagram showing the position of a volume adjustment operation of a volume device of a conventional vehicle-mounted audio device. Explanation of main symbols, 1...Door opening/closing detection circuit, 2
... Window opening/closing detection circuit, 3... Control circuit, 4... Mute operation ON/OFF switch, 5... Sound source, 6... Mute circuit, 7... Volume,
8...Amplifier, 9...Speaker.
Claims (1)
ーヤ等の音響ソースからの信号を制御して、スピ
ーカより出力する音量を調整するボリユームを装
備した車載用音響機器において、 前記音響ソースとボリユームとの間にミユート
回路と、車両の窓を開閉時及びドアの開閉時に出
力する信号を検出する検出回路と、この検出回路
からの信号を入力してミユート回路を動作／不動
作に制御し、ミユート回路をマニアルで動作／不
動作に切替えるスイツチを備えた制御回路とを設
け、車両の窓の開閉及びドアの開閉時に自動的に
音響ソースからの信号を減衰、復帰させるように
構成したことを特徴とする車載用音響機器。[Scope of Claim for Utility Model Registration] An in-vehicle audio device equipped with a volume that controls signals from an audio source such as a radio tuner, cassette player, CD player, etc. and adjusts the volume output from a speaker, comprising: and a detection circuit that detects signals output when opening/closing windows and doors of the vehicle, and inputting signals from this detection circuit to control the operation/inoperation of the Miute circuit, A control circuit equipped with a switch that manually switches the mute circuit between activation and deactivation is provided, and the signal from the acoustic source is automatically attenuated and restored when the windows and doors of the vehicle are opened and closed. Features of in-vehicle audio equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8917090U JPH0446715U (en) | 1990-08-28 | 1990-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8917090U JPH0446715U (en) | 1990-08-28 | 1990-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446715U true JPH0446715U (en) | 1992-04-21 |
Family
ID=31822969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8917090U Pending JPH0446715U (en) | 1990-08-28 | 1990-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446715U (en) |
-
1990
- 1990-08-28 JP JP8917090U patent/JPH0446715U/ja active Pending
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