JPS58206215A - 自動音量調整装置 - Google Patents

自動音量調整装置

Info

Publication number
JPS58206215A
JPS58206215A JP9040382A JP9040382A JPS58206215A JP S58206215 A JPS58206215 A JP S58206215A JP 9040382 A JP9040382 A JP 9040382A JP 9040382 A JP9040382 A JP 9040382A JP S58206215 A JPS58206215 A JP S58206215A
Authority
JP
Japan
Prior art keywords
level
circuit
signal
output
input
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
JP9040382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0447486B2 (enrdf_load_stackoverflow
Inventor
Takashi Sakakibara
隆 榊原
Shuichi Mori
秀一 森
Yasumasa Fukatsu
深津　康雅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic Corp
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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP9040382A priority Critical patent/JPS58206215A/ja
Priority to DE3315150A priority patent/DE3315150C3/de
Priority to GB08311509A priority patent/GB2123230B/en
Priority to US06/489,291 priority patent/US4553257A/en
Publication of JPS58206215A publication Critical patent/JPS58206215A/ja
Publication of JPH0447486B2 publication Critical patent/JPH0447486B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP9040382A 1982-04-28 1982-05-26 自動音量調整装置 Granted JPS58206215A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9040382A JPS58206215A (ja) 1982-05-26 1982-05-26 自動音量調整装置
DE3315150A DE3315150C3 (de) 1982-04-28 1983-04-27 Selbsttätige Lautstärke-Steuervorrichtung
GB08311509A GB2123230B (en) 1982-04-28 1983-04-27 Automatic sound volume control device
US06/489,291 US4553257A (en) 1982-04-28 1983-04-28 Automatic sound volume control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9040382A JPS58206215A (ja) 1982-05-26 1982-05-26 自動音量調整装置

Related Child Applications (3)

Application Number Title Priority Date Filing Date
JP12922382A Division JPS58206218A (ja) 1982-07-23 1982-07-23 自動音量調整装置
JP12922282A Division JPS58206217A (ja) 1982-07-23 1982-07-23 自動音量調整装置
JP12922182A Division JPS58206216A (ja) 1982-07-23 1982-07-23 自動音量調整装置

Publications (2)

Publication Number Publication Date
JPS58206215A true JPS58206215A (ja) 1983-12-01
JPH0447486B2 JPH0447486B2 (enrdf_load_stackoverflow) 1992-08-04

Family

ID=13997613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9040382A Granted JPS58206215A (ja) 1982-04-28 1982-05-26 自動音量調整装置

Country Status (1)

Country Link
JP (1) JPS58206215A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263503A (ja) * 1984-06-12 1985-12-27 Nissan Motor Co Ltd 音響装置
JPS61150508A (ja) * 1984-12-25 1986-07-09 Sankyo Dengiyou Kk 粉砕機音響制御システムにおける外来雑音の自動補正方法
JPH01137809A (ja) * 1987-11-25 1989-05-30 Pioneer Electron Corp 車載用自動音量調整装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141545A (en) * 1978-04-26 1979-11-02 Biiba Kk Automatic volume controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141545A (en) * 1978-04-26 1979-11-02 Biiba Kk Automatic volume controller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263503A (ja) * 1984-06-12 1985-12-27 Nissan Motor Co Ltd 音響装置
JPS61150508A (ja) * 1984-12-25 1986-07-09 Sankyo Dengiyou Kk 粉砕機音響制御システムにおける外来雑音の自動補正方法
JPH01137809A (ja) * 1987-11-25 1989-05-30 Pioneer Electron Corp 車載用自動音量調整装置

Also Published As

Publication number Publication date
JPH0447486B2 (enrdf_load_stackoverflow) 1992-08-04

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