JPS6397917U - - Google Patents

Info

Publication number
JPS6397917U
JPS6397917U JP19145586U JP19145586U JPS6397917U JP S6397917 U JPS6397917 U JP S6397917U JP 19145586 U JP19145586 U JP 19145586U JP 19145586 U JP19145586 U JP 19145586U JP S6397917 U JPS6397917 U JP S6397917U
Authority
JP
Japan
Prior art keywords
control signal
amplifier
signal
rotations
compensation circuit
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
JP19145586U
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 JP19145586U priority Critical patent/JPS6397917U/ja
Publication of JPS6397917U publication Critical patent/JPS6397917U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)

Description

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

第1図は本考案実施例による自動音量制御装置
を示すブロツク図、第2図は本考案の他の実施例
を示すブロツク図、第3図は本考案実施例の作用
を示すフローチヤート、第4図は本考案を説明す
るための特性図である。 1……タイヤ、2……ホイールセンサ、3……
マイコン、4……メモリ、5……低域補償回路、
6……増幅器、7……スピーカ、8……コンデン
サマイクロフオン、9……AVC(自動音量制御
器)。
FIG. 1 is a block diagram showing an automatic volume control device according to an embodiment of the present invention, FIG. 2 is a block diagram showing another embodiment of the present invention, and FIG. 3 is a flowchart showing the operation of the embodiment of the present invention. FIG. 4 is a characteristic diagram for explaining the present invention. 1...Tire, 2...Wheel sensor, 3...
Microcomputer, 4...Memory, 5...Low frequency compensation circuit,
6...Amplifier, 7...Speaker, 8...Condenser microphone, 9...AVC (automatic volume control).

Claims (1)

【実用新案登録請求の範囲】 (1) タイヤの回転数を検出しこの回転数に応じ
た数のパルスを発生する手段と、上記パルス数を
基に車速を計算しこの車速に応じた制御信号を発
生する手段と、上記制御信号によつて制御される
低域補償回路とを含むことを特徴とする自動音量
制御装置。 (2) 上記低域補償回路の出力が加えられ上記制
御信号によつて制御される増幅器とを含むことを
特徴とする実用新案登録請求の範囲第1項記載の
自動音量制御装置。 (3) 車室内の騒音信号とオーデイオ再生信号と
をミツクスして検出する手段と、上記両信号の差
を検出しこの差に応じた第2の制御信号を発生し
て上記増幅器に加える自動音量制御器とを含むこ
とを特徴とする実用新案登録請求の範囲第1項記
載の自動音量制御装置。
[Scope of Claim for Utility Model Registration] (1) Means for detecting the number of rotations of a tire and generating a number of pulses corresponding to this number of rotations, and a control signal that calculates a vehicle speed based on the number of pulses and corresponds to this vehicle speed. and a low frequency compensation circuit controlled by the control signal. (2) an amplifier to which the output of the low-frequency compensation circuit is applied and controlled by the control signal; (3) Means for mixing and detecting a noise signal in the vehicle interior with an audio playback signal, and an automatic volume control device that detects a difference between the two signals, generates a second control signal according to the difference, and applies the second control signal to the amplifier. The automatic volume control device according to claim 1, further comprising a controller.
JP19145586U 1986-12-12 1986-12-12 Pending JPS6397917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19145586U JPS6397917U (en) 1986-12-12 1986-12-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19145586U JPS6397917U (en) 1986-12-12 1986-12-12

Publications (1)

Publication Number Publication Date
JPS6397917U true JPS6397917U (en) 1988-06-24

Family

ID=31145616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19145586U Pending JPS6397917U (en) 1986-12-12 1986-12-12

Country Status (1)

Country Link
JP (1) JPS6397917U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08213861A (en) * 1995-10-12 1996-08-20 Mitsubishi Electric Corp On-vehicle sound regeneration device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08213861A (en) * 1995-10-12 1996-08-20 Mitsubishi Electric Corp On-vehicle sound regeneration device

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