JPS6185926U - - Google Patents

Info

Publication number
JPS6185926U
JPS6185926U JP17151684U JP17151684U JPS6185926U JP S6185926 U JPS6185926 U JP S6185926U JP 17151684 U JP17151684 U JP 17151684U JP 17151684 U JP17151684 U JP 17151684U JP S6185926 U JPS6185926 U JP S6185926U
Authority
JP
Japan
Prior art keywords
construction machine
detection means
audio equipment
engine rotation
vehicle speed
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
Application number
JP17151684U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP17151684U priority Critical patent/JPS6185926U/ja
Publication of JPS6185926U publication Critical patent/JPS6185926U/ja
Pending legal-status Critical Current

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  • Control Of Amplification And Gain Control (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案に係る音響機器の音量調整装置
の一実施例を示すブロツク図、第2図は音声制御
の態様を例示したグラフである。 1……エンジン回転数検出器、2……車速検出
器、3……警報音発生回路、4……カーステレオ
、5……中央処理装置、6……ブザー、7……ス
ピーカ。
FIG. 1 is a block diagram showing an embodiment of the volume control device for audio equipment according to the present invention, and FIG. 2 is a graph illustrating the mode of audio control. 1...Engine speed detector, 2...Vehicle speed detector, 3...Warning sound generation circuit, 4...Car stereo, 5...Central processing unit, 6...Buzzer, 7...Speaker.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 建設機械のエンジン回転数および車速を各々検
出するエンジン回転数検出手段および車速検出手
段と、それらの検出手段の出力に基づいて上記建
設機械が発する総合騒音を求め、かつこの総合騒
音の大きさに応じて上記建設機械に塔載された音
響機器の音量を適正値に調整する手段とを備えた
ことを特徴とする建設機械における音響機器の音
量調整装置。
An engine rotation speed detection means and a vehicle speed detection means for detecting the engine rotation speed and vehicle speed of the construction machine, respectively, and the total noise emitted by the construction machine based on the outputs of these detection means, and the magnitude of this total noise. A volume adjustment device for audio equipment in a construction machine, comprising means for adjusting the volume of the audio equipment mounted on the construction machine to an appropriate value accordingly.
JP17151684U 1984-11-12 1984-11-12 Pending JPS6185926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17151684U JPS6185926U (en) 1984-11-12 1984-11-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17151684U JPS6185926U (en) 1984-11-12 1984-11-12

Publications (1)

Publication Number Publication Date
JPS6185926U true JPS6185926U (en) 1986-06-05

Family

ID=30729198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17151684U Pending JPS6185926U (en) 1984-11-12 1984-11-12

Country Status (1)

Country Link
JP (1) JPS6185926U (en)

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