JPS5799811A - Automatic sound volume adjusting device - Google Patents

Automatic sound volume adjusting device

Info

Publication number
JPS5799811A
JPS5799811A JP17566980A JP17566980A JPS5799811A JP S5799811 A JPS5799811 A JP S5799811A JP 17566980 A JP17566980 A JP 17566980A JP 17566980 A JP17566980 A JP 17566980A JP S5799811 A JPS5799811 A JP S5799811A
Authority
JP
Japan
Prior art keywords
level
signal
amplifier
speaker
comparator
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
JP17566980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6259928B2 (enrdf_load_stackoverflow
Inventor
Akio Tokuge
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 JP17566980A priority Critical patent/JPS5799811A/ja
Publication of JPS5799811A publication Critical patent/JPS5799811A/ja
Publication of JPS6259928B2 publication Critical patent/JPS6259928B2/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)
JP17566980A 1980-12-12 1980-12-12 Automatic sound volume adjusting device Granted JPS5799811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17566980A JPS5799811A (en) 1980-12-12 1980-12-12 Automatic sound volume adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17566980A JPS5799811A (en) 1980-12-12 1980-12-12 Automatic sound volume adjusting device

Publications (2)

Publication Number Publication Date
JPS5799811A true JPS5799811A (en) 1982-06-21
JPS6259928B2 JPS6259928B2 (enrdf_load_stackoverflow) 1987-12-14

Family

ID=16000152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17566980A Granted JPS5799811A (en) 1980-12-12 1980-12-12 Automatic sound volume adjusting device

Country Status (1)

Country Link
JP (1) JPS5799811A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891605A (en) * 1986-08-13 1990-01-02 Tirkel Anatol Z Adaptive gain control amplifier
JPH0270162U (enrdf_load_stackoverflow) * 1988-11-14 1990-05-28
JP2009171057A (ja) * 2008-01-11 2009-07-30 Sanyo Electric Co Ltd 増幅回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS482031U (enrdf_load_stackoverflow) * 1971-05-26 1973-01-11
JPS4984314A (enrdf_load_stackoverflow) * 1972-12-18 1974-08-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS482031U (enrdf_load_stackoverflow) * 1971-05-26 1973-01-11
JPS4984314A (enrdf_load_stackoverflow) * 1972-12-18 1974-08-13

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891605A (en) * 1986-08-13 1990-01-02 Tirkel Anatol Z Adaptive gain control amplifier
JPH0270162U (enrdf_load_stackoverflow) * 1988-11-14 1990-05-28
JP2009171057A (ja) * 2008-01-11 2009-07-30 Sanyo Electric Co Ltd 増幅回路

Also Published As

Publication number Publication date
JPS6259928B2 (enrdf_load_stackoverflow) 1987-12-14

Similar Documents

Publication Publication Date Title
JPS56147525A (en) Reception playback system
KR890005973A (ko) 주파수 응답특성 조정방법 및 장치
SE7907070L (sv) Apparat for automatisk volyminstellning
DE3788070D1 (de) Sprachverstärker für einen rundfunkempfänger.
GB1279335A (en) Sound responsive device
JPS5799811A (en) Automatic sound volume adjusting device
JPS57148413A (en) Sound absorbing device
US5220287A (en) Voice processing apparatus
JPS57186867A (en) Voice storing and reproducing system
JPS5934171Y2 (ja) 自動音量調節回路
JPS54161868A (en) Automatic sound volume controller
JPS5527742A (en) Hearing aid
JPS57186900A (en) Acoustic device
JPS5541036A (en) Hearing-aid unit
JPS553261A (en) Automatic sound volume adjusting device
JPS56162511A (en) Power amplifier
JPS5571307A (en) Automatic sound volume adjustment unit
JPS5531346A (en) Sound volume control circuit
JPS5789177A (en) Electronic translation device
JPS55128958A (en) Talking system
JPS5593311A (en) Loudness circuit unit
SE8104323L (sv) Radiomottagare
JPS57115010A (en) Automatic sound volume adjuster
JPS5733890A (en) Acoustic device
JPS56117462A (en) Loudspeaking telephone device