JPS60263503A - 音響装置 - Google Patents

音響装置

Info

Publication number
JPS60263503A
JPS60263503A JP11898884A JP11898884A JPS60263503A JP S60263503 A JPS60263503 A JP S60263503A JP 11898884 A JP11898884 A JP 11898884A JP 11898884 A JP11898884 A JP 11898884A JP S60263503 A JPS60263503 A JP S60263503A
Authority
JP
Japan
Prior art keywords
level
volume
lower limit
noise
limit level
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
JP11898884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0356484B2 (enExample
Inventor
Junichi Kasai
純一 笠井
Haruhiko Iizuka
晴彦 飯塚
Hiroshi Tsuda
寛 津田
Hiroshi Imai
ひろし 今井
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP11898884A priority Critical patent/JPS60263503A/ja
Publication of JPS60263503A publication Critical patent/JPS60263503A/ja
Publication of JPH0356484B2 publication Critical patent/JPH0356484B2/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)
JP11898884A 1984-06-12 1984-06-12 音響装置 Granted JPS60263503A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11898884A JPS60263503A (ja) 1984-06-12 1984-06-12 音響装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11898884A JPS60263503A (ja) 1984-06-12 1984-06-12 音響装置

Publications (2)

Publication Number Publication Date
JPS60263503A true JPS60263503A (ja) 1985-12-27
JPH0356484B2 JPH0356484B2 (enExample) 1991-08-28

Family

ID=14750223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11898884A Granted JPS60263503A (ja) 1984-06-12 1984-06-12 音響装置

Country Status (1)

Country Link
JP (1) JPS60263503A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917950A (enExample) * 1972-06-06 1974-02-16
JPS58206215A (ja) * 1982-05-26 1983-12-01 Pioneer Electronic Corp 自動音量調整装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917950A (enExample) * 1972-06-06 1974-02-16
JPS58206215A (ja) * 1982-05-26 1983-12-01 Pioneer Electronic Corp 自動音量調整装置

Also Published As

Publication number Publication date
JPH0356484B2 (enExample) 1991-08-28

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees