JPH039379Y2 - - Google Patents

Info

Publication number
JPH039379Y2
JPH039379Y2 JP1981167735U JP16773581U JPH039379Y2 JP H039379 Y2 JPH039379 Y2 JP H039379Y2 JP 1981167735 U JP1981167735 U JP 1981167735U JP 16773581 U JP16773581 U JP 16773581U JP H039379 Y2 JPH039379 Y2 JP H039379Y2
Authority
JP
Japan
Prior art keywords
noise
frequency
vehicle
engine
low
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
Application number
JP1981167735U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5873622U (ja
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 filed Critical
Priority to JP16773581U priority Critical patent/JPS5873622U/ja
Publication of JPS5873622U publication Critical patent/JPS5873622U/ja
Application granted granted Critical
Publication of JPH039379Y2 publication Critical patent/JPH039379Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP16773581U 1981-11-11 1981-11-11 自動音量補正システムの車内騒音センサ装置 Granted JPS5873622U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16773581U JPS5873622U (ja) 1981-11-11 1981-11-11 自動音量補正システムの車内騒音センサ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16773581U JPS5873622U (ja) 1981-11-11 1981-11-11 自動音量補正システムの車内騒音センサ装置

Publications (2)

Publication Number Publication Date
JPS5873622U JPS5873622U (ja) 1983-05-18
JPH039379Y2 true JPH039379Y2 (enEXAMPLES) 1991-03-08

Family

ID=29959806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16773581U Granted JPS5873622U (ja) 1981-11-11 1981-11-11 自動音量補正システムの車内騒音センサ装置

Country Status (1)

Country Link
JP (1) JPS5873622U (enEXAMPLES)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5926654Y2 (ja) * 1978-08-28 1984-08-02 松下電器産業株式会社 自動音量調整装置
JPS5629522U (enEXAMPLES) * 1979-08-10 1981-03-20
JPS56128720U (enEXAMPLES) * 1980-02-28 1981-09-30

Also Published As

Publication number Publication date
JPS5873622U (ja) 1983-05-18

Similar Documents

Publication Publication Date Title
US8362921B2 (en) Vehicle external warning sound generation system and method
JPH034611A (ja) 車載用自動音量調整装置
CA2482223A1 (en) Automotive audio controller with vibration sensor
JPS5852780Y2 (ja) マイクロホン
US6990207B2 (en) Active noise control system
JPH04278796A (ja) 外部環境適応型音量調整方法
GB2050095A (en) Sound volume control in an automobile
JPH039379Y2 (enEXAMPLES)
JPH08213861A (ja) 車載音響再生機器
JPS6141360Y2 (enEXAMPLES)
JP2000190785A (ja) 車載用音響装置
US4653101A (en) Audio reverberator
JPH054335Y2 (enEXAMPLES)
JPH0145192Y2 (enEXAMPLES)
JPS5926654Y2 (ja) 自動音量調整装置
JPS6241450Y2 (enEXAMPLES)
JPH024167B2 (enEXAMPLES)
JPH0447486B2 (enEXAMPLES)
JPS6114238Y2 (enEXAMPLES)
JP2001044777A (ja) 車載オーディオ装置
JPS5811081Y2 (ja) 音声回路
JPS6145639Y2 (enEXAMPLES)
JPS5921240B2 (ja) 周波数特性自動制御装置
JPS6029275Y2 (ja) 振動ユニツトの駆動装置
WO2002104068A1 (en) Sound reproducing system