JPS6258995U - - Google Patents
Info
- Publication number
- JPS6258995U JPS6258995U JP14992785U JP14992785U JPS6258995U JP S6258995 U JPS6258995 U JP S6258995U JP 14992785 U JP14992785 U JP 14992785U JP 14992785 U JP14992785 U JP 14992785U JP S6258995 U JPS6258995 U JP S6258995U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- driver
- car phone
- pass filter
- front pillar
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
第１図は本考案を適用した自動車の車内のダツ
シユボードを示す図、第２図は空調装置のダクト
の吐出風のノイズの減衰率―周波数特性を示すグ
ラフ、第３図は第１図のフロントピラーの拡大図
、第４図は第３図の矢線―断面図、第５図は
本考案に係る自動車電話用マイクロホンの一実施
例を示す一部切欠組立斜視図、第６図はマイクロ
ホンの出力回路の一実施例を示すブロツク図、第
７図は第６図のハイパスフイルタの出力特性を示
すグラフである。
２…フロントウインド、２ａ…フロントピラー
、４…フロントピラートリム、５，５′…マイク
ロホン、６，６′…弾性支持部材、７…ボルト、
９…マイクロホンアンプ、１０…ハイパスフイル
タ。
Fig. 1 is a diagram showing a dashboard board inside a car to which the present invention is applied, Fig. 2 is a graph showing the attenuation rate-frequency characteristics of the noise of the air discharged from the duct of an air conditioner, and Fig. 3 is the front view of Fig. 1. An enlarged view of the pillar, FIG. 4 is a sectional view taken along the arrow line in FIG. 3, FIG. A block diagram showing one embodiment of the output circuit, and FIG. 7 is a graph showing the output characteristics of the high-pass filter shown in FIG. 6. 2...Front window, 2a...Front pillar, 4...Front pillar trim, 5, 5'...Microphone, 6, 6'...Elastic support member, 7...Bolt,
9...Microphone amplifier, 10...High pass filter.
Claims (1)
転席側のフロントピラーの内側の上部位置に運転
者と対向させて配設し、且つ当該マイクロホンの
出力を音声周波数帯域の下限値以下をカツトする
ハイパスフイルタを介して出力させることを特徴
とする自動車電話用マイクロホン。 A hands-free microphone for a car phone is placed at the upper part of the inside of the front pillar on the driver's seat side, facing the driver, and the output of the microphone is passed through a high-pass filter that cuts frequencies below the lower limit of the audio frequency band. A microphone for a car phone, characterized in that it outputs signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14992785U JPS6258995U (en) | 1985-10-02 | 1985-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14992785U JPS6258995U (en) | 1985-10-02 | 1985-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6258995U true JPS6258995U (en) | 1987-04-11 |
Family
ID=31065588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14992785U Pending JPS6258995U (en) | 1985-10-02 | 1985-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6258995U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131196A (en) * | 1981-02-06 | 1982-08-13 | Aihon Kk | Noise preventing microphone device of band limiting type |
| JPS6011852B2 (en) * | 1977-09-28 | 1985-03-28 | ソニー株式会社 | Receiving machine |
-
1985
- 1985-10-02 JP JP14992785U patent/JPS6258995U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011852B2 (en) * | 1977-09-28 | 1985-03-28 | ソニー株式会社 | Receiving machine |
| JPS57131196A (en) * | 1981-02-06 | 1982-08-13 | Aihon Kk | Noise preventing microphone device of band limiting type |
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