JPH0461525B2 - - Google Patents

Info

Publication number
JPH0461525B2
JPH0461525B2 JP57071908A JP7190882A JPH0461525B2 JP H0461525 B2 JPH0461525 B2 JP H0461525B2 JP 57071908 A JP57071908 A JP 57071908A JP 7190882 A JP7190882 A JP 7190882A JP H0461525 B2 JPH0461525 B2 JP H0461525B2
Authority
JP
Japan
Prior art keywords
level
noise
musical tone
circuit
signal
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
JP57071908A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58188914A (ja
Inventor
Shuichi Mori
Yasumasa Fukatsu
Takashi Sakakibara
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 JP7190882A priority Critical patent/JPS58188914A/ja
Priority to GB08311509A priority patent/GB2123230B/en
Priority to DE3315150A priority patent/DE3315150C3/de
Priority to US06/489,291 priority patent/US4553257A/en
Publication of JPS58188914A publication Critical patent/JPS58188914A/ja
Publication of JPH0461525B2 publication Critical patent/JPH0461525B2/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)
JP7190882A 1982-04-28 1982-04-28 自動音量調整装置 Granted JPS58188914A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7190882A JPS58188914A (ja) 1982-04-28 1982-04-28 自動音量調整装置
GB08311509A GB2123230B (en) 1982-04-28 1983-04-27 Automatic sound volume control device
DE3315150A DE3315150C3 (de) 1982-04-28 1983-04-27 Selbsttätige Lautstärke-Steuervorrichtung
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
JP7190882A JPS58188914A (ja) 1982-04-28 1982-04-28 自動音量調整装置

Publications (2)

Publication Number Publication Date
JPS58188914A JPS58188914A (ja) 1983-11-04
JPH0461525B2 true JPH0461525B2 (enrdf_load_stackoverflow) 1992-10-01

Family

ID=13474106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7190882A Granted JPS58188914A (ja) 1982-04-28 1982-04-28 自動音量調整装置

Country Status (1)

Country Link
JP (1) JPS58188914A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54161868A (en) * 1978-06-12 1979-12-21 Fujitsu Ltd Automatic sound volume controller

Also Published As

Publication number Publication date
JPS58188914A (ja) 1983-11-04

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