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
Links
- 230000007423 decrease Effects 0.000 claims 4
- 239000003990 capacitor Substances 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
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)
Description
第1図は本考案にかかる車載用自動音量音質調
整装置における時定数回路の具体例を示す回路図
、第2図は車載用自動音量音質調整装置の全体を
示すブロツク図、第3図は同上における従来の時
定数回路の具体例を示す回路図、第4図は時間に
対する車速および音量特性図である。 1…マイク、7…時定数回路、7a…演算増幅
器。
整装置における時定数回路の具体例を示す回路図
、第2図は車載用自動音量音質調整装置の全体を
示すブロツク図、第3図は同上における従来の時
定数回路の具体例を示す回路図、第4図は時間に
対する車速および音量特性図である。 1…マイク、7…時定数回路、7a…演算増幅
器。
Claims (1)
- 走行騒音を検出するマイクと、該マイクよりの
出力に比例して音量や音質を大きな時定数をもつ
て変化させる時定数回路において、前記マイクよ
りの出力が走行騒音の上昇に伴つて大きくなる場
合はコンデンサへの充放電を抵抗を介して行い、
またマイクよりの出力が走行騒音の下降に伴つて
小さくなる場合はコンデンサへの充放電をダイオ
ードを介して行い、走行騒音の上昇時には音量、
音質をゆつくり大きくし、走行騒音の下降時には
音量、音質を急激に小さくしたことを特徴とする
車載用自動音量音質調整装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985107564U JPH054334Y2 (ja) | 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 (ja) | 1985-07-16 | 1985-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6217225U true JPS6217225U (ja) | 1987-02-02 |
JPH054334Y2 JPH054334Y2 (ja) | 1993-02-03 |
Family
ID=14462365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985107564U Expired - Lifetime JPH054334Y2 (ja) | 1985-07-16 | 1985-07-16 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4742310A (ja) |
JP (1) | JPH054334Y2 (ja) |
DE (1) | DE3624031A1 (ja) |
GB (1) | GB2179807B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3875650D1 (de) * | 1987-05-15 | 1992-12-10 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zur sprachsteuerung fuer ein endgeraet 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)
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)
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 |
DE2703249C2 (de) * | 1977-01-27 | 1981-07-16 | Böttcher, Peter, 3000 Hannover | Schaltungsanordnung zur Anpassung der Lautstärke eines Autoempfängers in Abhängigkeit vom Fahrgeräusch |
AT377134B (de) * | 1977-01-27 | 1985-02-11 | Peter Boettcher | Schaltungsanordnung zur anpassung der lautstaerke eines autoempfaengers in abhaengigkeit vom fahrgeraeusch |
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 |
-
1985
- 1985-07-16 JP JP1985107564U patent/JPH054334Y2/ja not_active Expired - Lifetime
-
1986
- 1986-07-10 GB GB8616823A patent/GB2179807B/en not_active Expired
- 1986-07-16 US US06/886,295 patent/US4742310A/en not_active Expired - Lifetime
- 1986-07-16 DE DE3624031A patent/DE3624031A1/de active Granted
Patent Citations (1)
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 |
---|---|
JPH054334Y2 (ja) | 1993-02-03 |
DE3624031C2 (ja) | 1989-09-14 |
GB8616823D0 (en) | 1986-08-20 |
US4742310A (en) | 1988-05-03 |
GB2179807A (en) | 1987-03-11 |
GB2179807B (en) | 1989-07-19 |
DE3624031A1 (de) | 1987-01-29 |
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