JPS5826218U - equalizer device - Google Patents

equalizer device

Info

Publication number
JPS5826218U
JPS5826218U JP11827781U JP11827781U JPS5826218U JP S5826218 U JPS5826218 U JP S5826218U JP 11827781 U JP11827781 U JP 11827781U JP 11827781 U JP11827781 U JP 11827781U JP S5826218 U JPS5826218 U JP S5826218U
Authority
JP
Japan
Prior art keywords
control data
level
signal
transmission circuit
signal transmission
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.)
Granted
Application number
JP11827781U
Other languages
Japanese (ja)
Other versions
JPS6241452Y2 (en
Inventor
高堰　茂
Original Assignee
アルパイン株式会社
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 by アルパイン株式会社 filed Critical アルパイン株式会社
Priority to JP11827781U priority Critical patent/JPS5826218U/en
Publication of JPS5826218U publication Critical patent/JPS5826218U/en
Application granted granted Critical
Publication of JPS6241452Y2 publication Critical patent/JPS6241452Y2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図は本考案によるイコライザ装着性の一実施例を示すブ
ロック図である。 １・・・イコライザアンプ、２・・・アナログスイッチ
、３・・・シュミレイテッドアンプ、４・・・データラ
ッチ、５・・・マイコン（マイクロコンビサユータ）、
６・・・キーボード装置、１１・・・マイクロホン、１
２・・・プリアンプ、１３・・・フィルタ、１４・・・
検波回路、１５・・・平滑回路、”１６・・・Ａ／Ｄ（
アナログ−ディジ　　　、、タル変換器）、１７・・・
利得制御回路、１８・・・可変利得アンプ。The figure is a block diagram showing an embodiment of the equalizer mountability according to the present invention. 1... Equalizer amplifier, 2... Analog switch, 3... Simulated amplifier, 4... Data latch, 5... Microcomputer (micro combinator),
6...Keyboard device, 11...Microphone, 1
2...Preamplifier, 13...Filter, 14...
Detection circuit, 15... Smoothing circuit, "16... A/D (
analog-digital converter), 17...
Gain control circuit, 18... variable gain amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] オーデオ信号周波数帯域のほぼ全域にわたる周波数特性
が電気的な制御データによって制御可能な信号伝送回路
と、該制御データの書込みと読出しが可能なメモリ装置
と、上記制御データの発生及び上記メモリ装置の書込動
作と読出動作の制御が可能な入力操作装置とを備え、イ
コライズ特性のプリセットを可能にしたオーデオ機器の
イコライザ装置において、上記オーデオ機器による音場
形成エリア近傍に存在する騒音を検出してそのレベルに
応じた制御信号を発生する騒音検出装置と、上記信号伝
送回路と直列に接続した可変利得回路とを設け、上記制
御信号を上記信号伝送回路に対する制御データと上記可
変利得回路に対する利得制御信号として供給することに
よりオーデオ機器による再生音の周波数特性とレベルを
周囲騒音のレベルに応じて変化させるように構成したこ
とを特徴とするイコライザ装置。A signal transmission circuit whose frequency characteristics over almost the entire audio signal frequency band can be controlled by electrical control data, a memory device capable of writing and reading the control data, and generating the control data and writing the memory device. In an equalizer device for audio equipment, which is equipped with an input operation device that can control input operation and readout operation, and which enables presetting of equalization characteristics, it detects noise existing in the vicinity of the sound field forming area of the audio equipment. A noise detection device that generates a control signal according to the level and a variable gain circuit connected in series with the signal transmission circuit are provided, and the control signal is used as control data for the signal transmission circuit and a gain control signal for the variable gain circuit. 1. An equalizer device characterized in that the equalizer device is configured to change the frequency characteristics and level of sound reproduced by an audio device according to the level of ambient noise by supplying the same.
JP11827781U 1981-08-11 1981-08-11 equalizer device Granted JPS5826218U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11827781U JPS5826218U (en) 1981-08-11 1981-08-11 equalizer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11827781U JPS5826218U (en) 1981-08-11 1981-08-11 equalizer device

Publications (2)

Publication Number Publication Date
JPS5826218U true JPS5826218U (en) 1983-02-19
JPS6241452Y2 JPS6241452Y2 (en) 1987-10-23

Family

ID=29912419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11827781U Granted JPS5826218U (en) 1981-08-11 1981-08-11 equalizer device

Country Status (1)

Country Link
JP (1) JPS5826218U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190508A (en) * 1984-10-11 1986-05-08 Nissan Motor Co Ltd On-vehicle acoustic device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52149054A (en) * 1976-06-02 1977-12-10 Furitsuke Yobusuto Sound regenerative system
JPS5465275A (en) * 1977-10-07 1979-05-25 Transcale Ab Controller for electronic device
JPS55147015A (en) * 1979-05-07 1980-11-15 Hitachi Ltd Audio unit mounting on car

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52149054A (en) * 1976-06-02 1977-12-10 Furitsuke Yobusuto Sound regenerative system
JPS5465275A (en) * 1977-10-07 1979-05-25 Transcale Ab Controller for electronic device
JPS55147015A (en) * 1979-05-07 1980-11-15 Hitachi Ltd Audio unit mounting on car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6190508A (en) * 1984-10-11 1986-05-08 Nissan Motor Co Ltd On-vehicle acoustic device

Also Published As

Publication number Publication date
JPS6241452Y2 (en) 1987-10-23

Similar Documents

Publication Publication Date Title
JPS5826218U (en) equalizer device
JPS5826217U (en) automatic equalizer device
JPS5881600U (en) headphone device
JPS60189128U (en) automatic equalizer device
JPS5835701U (en) cooking equipment
JPS59134999U (en) portable public address system
JPS58144989U (en) audio equipment
JPS60124127U (en) mixing equipment
JPS5893016U (en) head horn
JPS6114524U (en) Vehicle audio equipment
JPS58148713U (en) Video recording and playback device with microphone amplifier
JPS593686U (en) Howling prevention device
JPS5933196U (en) tape recorder with radio
JPS58163013U (en) Circuit to prevent sound leakage between functions of multi-channel audio equipment
JPS5930200U (en) Acoustic vibration transmission device
JPS597500U (en) audio processing circuit
JPS59178700U (en) speaker verification device
JPS5995408U (en) Automatic adjustment device for music frequency characteristics
JPS6019222U (en) Amplifier with direct function switch
JPS5872785U (en) tape recorder circuit
JPS5840968U (en) Communication device using listening device
JPS60153018U (en) automatic volume adjustment circuit
JPS60111551U (en) FM recording and playback circuit
JPS6019217U (en) Sound device equipped with a muting circuit
JPS5875321U (en) tape recorder circuit