JPH0457994U - - Google Patents
Info
- Publication number
- JPH0457994U JPH0457994U JP9980790U JP9980790U JPH0457994U JP H0457994 U JPH0457994 U JP H0457994U JP 9980790 U JP9980790 U JP 9980790U JP 9980790 U JP9980790 U JP 9980790U JP H0457994 U JPH0457994 U JP H0457994U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- picking
- speaker
- signal
- vehicle
- 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
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Description
第１図はこの考案に係る車載用音響装置の実施
例を示し、第１図ａはブロツク図、第１図ｂは車
両内のスピーカとセンサの配置を示す図である。
第２図は従来の実施例の特性図である。
主な符号の説明、１……スピーカ、２……アン
プ、３……マイク、４……ローパスフイルタ、５
……信号増幅器。
FIG. 1 shows an embodiment of the in-vehicle audio system according to this invention, FIG. 1a is a block diagram, and FIG. 1b is a diagram showing the arrangement of speakers and sensors in the vehicle.
FIG. 2 is a characteristic diagram of a conventional embodiment. Explanation of main symbols, 1... Speaker, 2... Amplifier, 3... Microphone, 4... Low pass filter, 5
...Signal amplifier.
Claims (1)
ンプと、前記スピーカの再生音をピツクアツプす
るセンサまたは再生音に対応した信号をピツクア
ツプする手段と、前記センサが受音した音のうち
予めきめられた音域の周波数のみを取り出すフイ
ルタと、前記フイルタの出力信号を増幅すると共
に増幅した信号を前記アンプに帰還せしめる信号
増幅器とで構成したことを特徴とする車載用音響
装置。 an in-vehicle speaker, an amplifier for driving the speaker, a sensor for picking up sound reproduced by the speaker or a means for picking up a signal corresponding to the reproduced sound, and a means for picking up a signal corresponding to the reproduced sound; A vehicle-mounted audio device comprising a filter that extracts only a frequency, and a signal amplifier that amplifies the output signal of the filter and feeds back the amplified signal to the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9980790U JPH0457994U (en) | 1990-09-26 | 1990-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9980790U JPH0457994U (en) | 1990-09-26 | 1990-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457994U true JPH0457994U (en) | 1992-05-19 |
Family
ID=31841997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9980790U Pending JPH0457994U (en) | 1990-09-26 | 1990-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10234095A (en) * | 1997-02-21 | 1998-09-02 | Matsushita Electric Ind Co Ltd | Acoustic reproduction device |
-
1990
- 1990-09-26 JP JP9980790U patent/JPH0457994U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10234095A (en) * | 1997-02-21 | 1998-09-02 | Matsushita Electric Ind Co Ltd | Acoustic reproduction device |
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