JPS6338494U

JPS6338494U -

Info

Publication number: JPS6338494U
Application number: JP13134386U
Authority: JP
Priority date: 1986-08-29
Filing date: 1986-08-29
Publication date: 1988-03-12

Description

[Brief explanation of the drawing]

第１図はスピーカの設置位置がインストルメン
トパネル下方である本考案の車載用フロントスピ
ーカ装置の構成図、第２図はスピーカの設置位置
がフロントドア４内である本考案の車載用フロン
トスピーカ装置の構成図、第３図ａは見通し角３
０°特性の良いダブルコーンスピーカの一例の縦
断面図、同図ｂはａのサブコーンの正面図、第４
図は見通し角６０°特性の良いダブルコーンスピ
ーカの一例の縦断面図、第５図ａ〜ｃは第３図の
スピーカの見通し角度別周波数特性を従来のダブ
ルコーンスピーカの同特性と比較して示す線図、
第６図ａ〜ｃは第４図のスピーカの見通し角度別
周波数特性を従来のダブルコーンスピーカの同特
性と比較して示す線図である。１……運転席、２……助手席、３……インスト
ルメントパネル、４……フロントドア、Ａ……自
動車、Ｌ，Ｒ……フロントスピーカ、Ｓ３……見
通し角３０°方向の高音域の周波数特性の良いダ
ブコーンスピーカ、Ｓ６……見通し角６０°方向
の高音域の周波数特性の良いダブコーンスピーカ
。 FIG. 1 is a configuration diagram of the in-vehicle front speaker device of the present invention in which the speaker is installed below the instrument panel, and FIG. 2 is a configuration diagram of the in-vehicle front speaker device of the present invention in which the speaker is installed in the front door 4. The configuration diagram of Figure 3a is the line of sight angle 3.
A vertical cross-sectional view of an example of a double cone speaker with good 0° characteristics.
The figure is a longitudinal cross-sectional view of an example of a double cone speaker with good viewing angle characteristics of 60°, and Figures 5 a to c compare the frequency characteristics of the speaker shown in Figure 3 according to line of sight angle with the same characteristics of a conventional double cone speaker. diagram showing,
6a to 6c are diagrams showing the frequency characteristics of the speaker shown in FIG. 4 according to viewing angles in comparison with the same characteristics of a conventional double cone speaker. 1...Driver's seat, 2...Passenger seat, 3...Instrument panel, 4...Front door, A...Car, L, R...Front speakers, S3...Treble range in direction of 30° viewing angle Dove cone speaker with good frequency characteristics, S6...Dove cone speaker with good frequency characteristics in the high range at a viewing angle of 60 degrees.

Claims

[Claims for Utility Model Registration] 1. An in-vehicle front speaker device using two double cone speakers that have excellent frequency characteristics in the high frequency range in a direction separated by a predetermined angle from the vibration axis of the voice coil of the speaker, comprising: 1. A vehicle-mounted front speaker device, characterized in that the two speakers are installed at left and right positions in front of a driver's seat so that the direction with the best frequency characteristics in the high frequency range of each speaker points toward the driver's seat. 2 The two double cone speakers are installed below the instrument panel in front of the driver's seat, the speaker on the left side in front of the driver's seat has excellent frequency characteristics in the high frequency range in a direction 60 degrees away from the axis, and the speaker on the right side in front of the driver's seat The vehicle-mounted front speaker device according to claim 1, which is characterized by having excellent frequency characteristics in a high frequency range in a direction 30 degrees away from the axis. 3 The two double cone speakers are installed in the front door on the side of the driver's seat, the speaker on the left side in front of the driver's seat has excellent frequency characteristics in the high frequency range in a direction 30 degrees away from the axis, and the speaker on the right side in front of the driver's seat The vehicle-mounted front speaker device according to claim 1, wherein the front speaker device has excellent frequency characteristics in a high frequency range in a direction 60° away from the axis.