JPH0625110Y2 - Car speaker system - Google Patents
Car speaker systemInfo
- Publication number
- JPH0625110Y2 JPH0625110Y2 JP1987153360U JP15336087U JPH0625110Y2 JP H0625110 Y2 JPH0625110 Y2 JP H0625110Y2 JP 1987153360 U JP1987153360 U JP 1987153360U JP 15336087 U JP15336087 U JP 15336087U JP H0625110 Y2 JPH0625110 Y2 JP H0625110Y2
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- speaker system
- vehicle
- sound field
- correcting
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 101100188552 Arabidopsis thaliana OCT3 gene Proteins 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
【考案の詳細な説明】 「考案の目的」 （産業上の利用分野） この考案は車載用スピーカシステムに係り、特に車室内
の伝送特性を改良したスピーカシステムに関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION "Object of Invention" (Field of Industrial Application) The present invention relates to an in-vehicle speaker system, and more particularly to a speaker system with improved transmission characteristics in a vehicle compartment.
（従来技術と考案が解決しようとする問題点） 従来よりリアトレイに据置型又は埋め込み型のスピーカ
を設置した車載スピーカシステムにおいては、リアウイ
ンド、リアトレイ及び側壁での反射による干渉や車室内
の振動モードによって伝送特性に大きなディップが生じ
ていた。(Problems to be solved by the related art and the invention) In a conventional vehicle-mounted speaker system in which a stationary or embedded speaker is installed in a rear tray, interference due to reflection on the rear window, rear tray and side walls and vibration modes in the vehicle interior This caused a large dip in the transmission characteristics.
この考案の目的は上記した従来の欠点を解消し、車室内
の音場を補正することによって車室内の伝送特性を平坦
化することができる車載スピーカシステムを提供するこ
とにある。It is an object of the present invention to provide a vehicle-mounted speaker system that can eliminate the above-mentioned conventional drawbacks and can flatten the transmission characteristics in the vehicle interior by correcting the sound field in the vehicle interior.
「考案の構成」 （問題点を解決するための手段） この考案に係る車載スピーカシステムは、リアトレイに
スピーカが設置されてなる車載スピーカシステムにおい
て、リアシートの左右背もたれ部の中間部又は引き出さ
れた状態における肘掛け部に少なくとも２００〜２ＫHz
程度の帯域の音場補正用のスピーカを埋め込み配置した
ものである。[Configuration of Device] (Means for Solving Problems) An in-vehicle speaker system according to the present invention is an in-vehicle speaker system in which speakers are installed in a rear tray, and a state in which the left and right back portions of a rear seat are in an intermediate portion or pulled out. At least 200-2KHz on the armrests in
A speaker for correcting a sound field in a certain band is embedded and arranged.
（作用） リアトレイに設置されたスピーカからの伝送特性は、リ
ヤウインド、リアトレイ、側壁等の周囲からの反射の影
響や振動モードによって大きなディップをもつことがあ
る。この伝送特性を改善するためには反射や振動モード
の影響をなくす必要があり、そのために補正スピーカが
有効であるが、この場合、補正スピーカの設置位置は受
聴点での特性を考慮して選ぶ必要がある。(Operation) The transmission characteristics from the speaker installed on the rear tray may have a large dip depending on the influence of reflection from the surroundings of the rear window, the rear tray, the side wall, and the vibration mode. In order to improve this transmission characteristic, it is necessary to eliminate the influence of reflection and vibration modes, and therefore the correction speaker is effective. In this case, the installation position of the correction speaker is selected in consideration of the characteristics at the listening point. There is a need.
この考案では、リアシートの左右背もたれ部の中間部又
は引き出された状態における肘掛け部の上面に音場補正
用のスピーカを埋め込み配置したから、モードの生じ方
を変化させ、反射の影響でディップになった帯域のエネ
ルギーを補うことができ、受聴点（この場合は運転席）
における伝送特性が平坦化する。In this invention, the speaker for sound field correction is embedded and arranged on the upper part of the armrest part in the middle part of the left and right backrests of the rear seat or in the pulled-out state, so that the way of generating the mode is changed and the dip is caused by the influence of reflection. Can supplement the energy of the other band, and the listening point (in this case, the driver's seat)
The transmission characteristics at are flattened.
また、この音場補正用のスピーカは１本でもよく、その
帯域も200〜2KHz程度あればよいから極めて安価に実現
することができ、使用帯域が低いため１本でもステレオ
感を損なうことがない。Also, this speaker for sound field correction may have only one speaker, and its band may be about 200 to 2 KHz, so that it can be realized at extremely low cost. Even if only one speaker is used, the stereo feeling is not impaired. .
（実施例） この考案に係る車載スピーカシステムの実施例を第１図
乃至第３図に基づいて説明する。(Embodiment) An embodiment of an in-vehicle speaker system according to the present invention will be described with reference to FIGS. 1 to 3.
第１図は斜視図、第２図は他の構成例を示す斜視図、第
３図はこの考案による車載スピーカシステムと従来の車
載スピーカシステムの伝送特性を比較して示す周波数特
性図である。FIG. 1 is a perspective view, FIG. 2 is a perspective view showing another configuration example, and FIG. 3 is a frequency characteristic diagram showing transmission characteristics of an in-vehicle speaker system according to the present invention and a conventional in-vehicle speaker system in comparison.
図において、１はリアトレイ４上に設置された据置型の
スピーカであり、左右（Ｌ・Ｒ用）に配置されている。
２は音場補正用のスピーカであって、第１図の例ではリ
アシート３の左右背もたれ部3a,3bの中間部3cに埋め込
み配置されている。In the figure, reference numeral 1 denotes a stationary speaker installed on the rear tray 4, which is arranged on the left and right (for L / R).
Reference numeral 2 denotes a sound field correcting speaker, which is embedded in the middle portion 3c of the left and right backrest portions 3a and 3b of the rear seat 3 in the example of FIG.
リアシート３の形態によっては、第２図に示すように、
左右背もたれ部3a,3bの中間に引き出し自在な肘掛け部
５が設けられていることがあるから、この場合には音場
補正用のスピーカ２は引き出された状態における肘掛け
部５の上面に、好ましくは基端部側（背もたれ部に近ず
く位置）に配置する。なお、この音場補正用のスピーカ
２は１本でもよく、その帯域も200〜2KHz程度あればよ
いから極めて安価に実現するこことができ、使用帯域が
低いため１本でもステレオ感を損なうことがない。Depending on the form of the rear seat 3, as shown in FIG.
In some cases, the armrest 5 that can be pulled out is provided between the left and right backrests 3a and 3b. In this case, the sound field correction speaker 2 is preferably attached to the upper surface of the armrest 5 in the pulled out state. Is located on the base end side (position close to the backrest). It should be noted that only one speaker 2 for correcting the sound field may be provided, and the band thereof may be about 200 to 2 KHz, so that it can be realized at an extremely low cost. Even if only one speaker is used, the stereo feeling is impaired. There is no.
第３図は第１図の実施例に基づく車載スピーカシステム
における伝送特性Ａと従来の車載スピーカシステム（音
場補正用のスピーカなし）における伝送特性Ｂとを比較
して示す周波数特性図である。なお、測定条件は、ピン
クノイズ4V 1/3 octで、運転席に着座した場合の左耳の
位置である。FIG. 3 is a frequency characteristic diagram showing a comparison between the transmission characteristic A in the in-vehicle speaker system based on the embodiment of FIG. 1 and the transmission characteristic B in the conventional in-vehicle speaker system (without the speaker for sound field correction). The measurement conditions are pink noise 4V 1/3 oct and the position of the left ear when seated in the driver's seat.
この比較周波数特性からも明らかように、この考案に係
る車載スピーカシステムにおける伝送特性Ａは従来のも
のの伝送特性Ｂに比してディップが著しく平坦化してい
ることが判明する。As is clear from this comparison frequency characteristic, it is found that the transmission characteristic A in the vehicle-mounted speaker system according to the present invention has a significantly flatter dip than the transmission characteristic B of the conventional one.
「考案の効果」 この考案に係る車載スピーカシステムによれば、車室内
の伝送特性のディップを平坦化することができ、しかも
音場補正用のスピーカは帯域の狭いスピーカでよいから
小型化できると共に安価に実現することができる。[Advantage of Invention] According to the in-vehicle speaker system of the present invention, it is possible to flatten the dip of the transmission characteristic in the vehicle interior, and the speaker for sound field correction may be a speaker having a narrow band, and can be miniaturized. It can be realized at low cost.
また、この音場補正用のスピーカは１本でもステレオ感
を得ることがなく、この種車載スピーカシステムとして
最適である。Also, even if only one speaker for correcting the sound field does not give a stereoscopic feeling, it is optimal as a vehicle speaker system of this kind.
図面はこの考案に係る車載スピーカシステムの実施例を
示し、第１図は斜視図、第２図は他の構成例を示す斜視
図、第３図はこの考案による車載スピーカシステムと従
来の車載スピーカシステムの伝送特性を比較して示す周
波数特性図である。 １：据置型のスピーカ、２：音場補正用のスピーカ ３：リアシート、3a,3b：左右背もたれ部 3c：中間部、４：リアトレイ、５…肘掛け部1 is a perspective view, FIG. 2 is a perspective view showing another configuration example, and FIG. 3 is an in-vehicle speaker system according to the present invention and a conventional in-vehicle speaker. It is a frequency characteristic figure which compares and shows the transmission characteristic of a system. 1: stationary speaker, 2: speaker for sound field correction 3: rear seats, 3a, 3b: left and right backrests 3c: middle part, 4: rear tray, 5 ... armrest part
Claims (1)
載スピーカシステムにおいて、 リアシートの左右背もたれ部の中間部又は引き出された
状態における肘掛け部の上面に少なくとも２００〜２Ｋ
Hz程度の帯域の音場補正用のスピーカを埋め込み配置し
たことを特徴とする車載スピーカシステム。1. An in-vehicle speaker system in which a speaker is installed on a rear tray, at least 200 to 2K on an upper surface of an armrest portion in an intermediate portion of left and right backrest portions of a rear seat or in a pulled out state.
An in-vehicle speaker system in which a speaker for correcting a sound field in a band of about Hz is embedded and arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987153360U JPH0625110Y2 (en) | 1987-10-08 | 1987-10-08 | Car speaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987153360U JPH0625110Y2 (en) | 1987-10-08 | 1987-10-08 | Car speaker system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0159389U JPH0159389U (en) | 1989-04-13 |
| JPH0625110Y2 true JPH0625110Y2 (en) | 1994-06-29 |
Family
ID=31429129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987153360U Expired - Lifetime JPH0625110Y2 (en) | 1987-10-08 | 1987-10-08 | Car speaker system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0625110Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4521906A (en) * | 1983-03-28 | 1985-06-04 | Kahn Leonard R | Speaker systems for producing balanced stereo images at multiple locations |
-
1987
- 1987-10-08 JP JP1987153360U patent/JPH0625110Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0159389U (en) | 1989-04-13 |
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