JPS6217225U - - Google Patents

Info

Publication number
JPS6217225U
JPS6217225U JP1985107564U JP10756485U JPS6217225U JP S6217225 U JPS6217225 U JP S6217225U JP 1985107564 U JP1985107564 U JP 1985107564U JP 10756485 U JP10756485 U JP 10756485U JP S6217225 U JPS6217225 U JP S6217225U
Authority
JP
Japan
Prior art keywords
microphone
sound quality
volume
decreases
output
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
JP1985107564U
Other languages
English (en)
Japanese (ja)
Other versions
JPH054334Y2 (US06633600-20031014-M00021.png
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 JP1985107564U priority Critical patent/JPH054334Y2/ja
Priority to GB8616823A priority patent/GB2179807B/en
Priority to DE3624031A priority patent/DE3624031A1/de
Priority to US06/886,295 priority patent/US4742310A/en
Publication of JPS6217225U publication Critical patent/JPS6217225U/ja
Application granted granted Critical
Publication of JPH054334Y2 publication Critical patent/JPH054334Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Amplifiers (AREA)
JP1985107564U 1985-07-16 1985-07-16 Expired - Lifetime JPH054334Y2 (US06633600-20031014-M00021.png)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1985107564U JPH054334Y2 (US06633600-20031014-M00021.png) 1985-07-16 1985-07-16
GB8616823A GB2179807B (en) 1985-07-16 1986-07-10 Automatic sound volume controlling device for use in automotive vehicle
DE3624031A DE3624031A1 (de) 1985-07-16 1986-07-16 Automatische lautstaerkerregeleinrichtung fuer ein audiogeraet fuer ein kraftfahrzeug
US06/886,295 US4742310A (en) 1985-07-16 1986-07-16 Automatic sound volume controlling device for use in automotive vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985107564U JPH054334Y2 (US06633600-20031014-M00021.png) 1985-07-16 1985-07-16

Publications (2)

Publication Number Publication Date
JPS6217225U true JPS6217225U (US06633600-20031014-M00021.png) 1987-02-02
JPH054334Y2 JPH054334Y2 (US06633600-20031014-M00021.png) 1993-02-03

Family

ID=14462365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985107564U Expired - Lifetime JPH054334Y2 (US06633600-20031014-M00021.png) 1985-07-16 1985-07-16

Country Status (4)

Country Link
US (1) US4742310A (US06633600-20031014-M00021.png)
JP (1) JPH054334Y2 (US06633600-20031014-M00021.png)
DE (1) DE3624031A1 (US06633600-20031014-M00021.png)
GB (1) GB2179807B (US06633600-20031014-M00021.png)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290952B1 (de) * 1987-05-15 1992-11-04 Alcatel SEL Aktiengesellschaft Schaltungsanordnung zur Sprachsteuerung für ein Endgerät der Nachrichtentechnik
DE3830423A1 (de) * 1987-11-25 1989-06-08 Pioneer Electronic Corp Mobiles geraet mit automatischer lautstaerkeregelung
KR930007376B1 (ko) * 1991-07-19 1993-08-09 삼성전자 주식회사 음향레벨 자동 조절장치
US5788336A (en) * 1993-07-14 1998-08-04 Philips Electronics North America Corporation Anti-lock brake warning system
DE4326328A1 (de) * 1993-08-05 1994-11-03 Daimler Benz Ag Audioeinrichtung in einem Kraftfahrzeug
US7606376B2 (en) * 2003-11-07 2009-10-20 Harman International Industries, Incorporated Automotive audio controller with vibration sensor
US7715574B2 (en) * 2004-08-04 2010-05-11 James E. Aikins Audio apparatus for vessel
GB2459835B (en) 2008-04-30 2012-12-12 Tracker Network Uk Ltd Vehicle engine operation
CN115938389B (zh) * 2023-03-10 2023-07-28 科大讯飞(苏州)科技有限公司 用于车内媒体源的音量补偿方法、装置及车辆

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58225713A (ja) * 1982-06-23 1983-12-27 Matsushita Electric Ind Co Ltd 自動音量調整回路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506953A (en) * 1966-09-06 1970-04-14 Bendix Corp Lightweight receiving system for sonar
GB1172310A (en) * 1967-03-17 1969-11-26 British Broadcasting Corp Improvements in Electrical Signal Limiters and Related Devices
DE2437697A1 (de) * 1974-08-05 1976-02-26 Deutsche Bundesbahn Verfahren und einrichtung zur automatischen anpassung der lautstaerke eines lautsprechers oder hoerers an den stoerpegel der umgebung
DE2501530A1 (de) * 1975-01-16 1976-07-22 Deutsche Bundesbahn Verfahren und einrichtung zur automatischen anpassung der lautstaerke eines lautsprechers oder hoerers an den akustischen stoerpegel der umgebung
JPS5317333A (en) * 1976-07-30 1978-02-17 Canon Inc Automatic gain control circuit for simultaneous sound recording cine camera
AT377134B (de) * 1977-01-27 1985-02-11 Peter Boettcher Schaltungsanordnung zur anpassung der lautstaerke eines autoempfaengers in abhaengigkeit vom fahrgeraeusch
DE2759318C2 (de) * 1977-01-27 1986-02-20 Peter 3000 Hannover Böttcher Schaltungsanordnung zur Anpassung der Lautstärke eines Autoempfängers in Abhängigkeit vom Fahrgeräusch
DE2835384C2 (de) * 1978-08-12 1985-01-24 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Anordnung zum automatischen Anpassen der Laustärke einer NF-Signalquelle
GB2029141A (en) * 1978-08-26 1980-03-12 Viva Co Gain control arrangements
JPS56147525A (en) * 1980-04-18 1981-11-16 Hitachi Ltd Reception playback system
JPS57140011A (en) * 1981-02-20 1982-08-30 Nec Corp Agc circuit
GB2143097A (en) * 1983-07-05 1985-01-30 Rene Richard Lundy Auditory subliminal message system and method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58225713A (ja) * 1982-06-23 1983-12-27 Matsushita Electric Ind Co Ltd 自動音量調整回路

Also Published As

Publication number Publication date
GB2179807A (en) 1987-03-11
US4742310A (en) 1988-05-03
JPH054334Y2 (US06633600-20031014-M00021.png) 1993-02-03
DE3624031C2 (US06633600-20031014-M00021.png) 1989-09-14
DE3624031A1 (de) 1987-01-29
GB2179807B (en) 1989-07-19
GB8616823D0 (en) 1986-08-20

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