JPH0478046B2 - - Google Patents

Info

Publication number
JPH0478046B2
JPH0478046B2 JP57129223A JP12922382A JPH0478046B2 JP H0478046 B2 JPH0478046 B2 JP H0478046B2 JP 57129223 A JP57129223 A JP 57129223A JP 12922382 A JP12922382 A JP 12922382A JP H0478046 B2 JPH0478046 B2 JP H0478046B2
Authority
JP
Japan
Prior art keywords
signal
circuit
level
increment
ambient noise
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.)
Expired - Lifetime
Application number
JP57129223A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58206218A (ja
Inventor
Takashi Sakakibara
Shuichi Mori
Yasumasa Fukatsu
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 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 Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP12922382A priority Critical patent/JPS58206218A/ja
Publication of JPS58206218A publication Critical patent/JPS58206218A/ja
Publication of JPH0478046B2 publication Critical patent/JPH0478046B2/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)
JP12922382A 1982-07-23 1982-07-23 自動音量調整装置 Granted JPS58206218A (ja)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
JPS58206218A JPS58206218A (ja) 1983-12-01
JPH0478046B2 true JPH0478046B2 (en]) 1992-12-10

Family

ID=15004186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12922382A Granted JPS58206218A (ja) 1982-07-23 1982-07-23 自動音量調整装置

Country Status (1)

Country Link
JP (1) JPS58206218A (en])

Family Cites Families (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

Also Published As

Publication number Publication date
JPS58206218A (ja) 1983-12-01

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