DE69414741T2 - Tonfrequenzverstärkeranordnung - Google Patents
TonfrequenzverstärkeranordnungInfo
- Publication number
- DE69414741T2 DE69414741T2 DE69414741T DE69414741T DE69414741T2 DE 69414741 T2 DE69414741 T2 DE 69414741T2 DE 69414741 T DE69414741 T DE 69414741T DE 69414741 T DE69414741 T DE 69414741T DE 69414741 T2 DE69414741 T2 DE 69414741T2
- Authority
- DE
- Germany
- Prior art keywords
- audio frequency
- frequency amplifier
- amplifier arrangement
- arrangement
- audio
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93200806 | 1993-03-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69414741D1 DE69414741D1 (de) | 1999-01-07 |
DE69414741T2 true DE69414741T2 (de) | 1999-06-10 |
Family
ID=8213711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69414741T Expired - Fee Related DE69414741T2 (de) | 1993-03-19 | 1994-03-14 | Tonfrequenzverstärkeranordnung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5633940A (de) |
EP (1) | EP0616425B1 (de) |
JP (1) | JP3471070B2 (de) |
DE (1) | DE69414741T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020159344A1 (ru) * | 2019-01-29 | 2020-08-06 | Галимжан ГАБДРЕШОВ | Тифлоаппарат для ориентации сезуалов в пространстве |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9513419D0 (en) * | 1995-06-30 | 1995-09-06 | Philips Electronics Uk Ltd | Audio signal reproduction apparatus |
US6577737B1 (en) * | 2000-02-17 | 2003-06-10 | Visteon Global Technologies, Inc. | Method of detecting a DC offset in an automotive audio system |
US7606378B2 (en) * | 2001-04-11 | 2009-10-20 | Chrysler Group Llc | Radio distortion processing |
US7579958B2 (en) * | 2003-06-03 | 2009-08-25 | Wallace Henry B | Audio power meter |
US20040247136A1 (en) * | 2003-06-03 | 2004-12-09 | Wallace Henry B. | True RMS audio power meter |
TWI327417B (en) * | 2004-07-09 | 2010-07-11 | Hon Hai Prec Ind Co Ltd | System and method for controlling volume |
DE102005045021A1 (de) * | 2005-09-21 | 2007-03-22 | Robert Bosch Gmbh | Audioanlage mit vermindertem Klirrfaktor und Verfahren zur Verringerung des Klirrfaktors einer Audioanlage |
US8692809B2 (en) * | 2006-07-06 | 2014-04-08 | Elo Touch Solutions, Inc. | Auto-gain switching module for acoustic touch systems |
JP4932369B2 (ja) * | 2006-07-27 | 2012-05-16 | ローム株式会社 | 音声信号増幅回路およびそれを用いたオーディオ装置ならびにボリウム切換方法 |
ATE539486T1 (de) * | 2006-10-25 | 2012-01-15 | Tyco Electronics Services Gmbh | Automatische verstärkungsregelschaltung, system mit einer solchen schaltung und verfahren zur automatischen verstärkungsregelung |
TWM327610U (en) * | 2007-07-13 | 2008-02-21 | Princeton Technology Corp | Audio control apparatus |
CN101350604B (zh) * | 2007-07-19 | 2012-07-04 | 鸿富锦精密工业(深圳)有限公司 | 自动切换音量调节模式的装置及方法 |
FR2943865A1 (fr) * | 2009-03-31 | 2010-10-01 | Stmicroelectronics Grenoble 2 | Procede de mesure du taux de saturation d'un amplificateur audio. |
WO2011079875A1 (en) | 2009-12-31 | 2011-07-07 | Nokia Corporation | Monitoring and correcting apparatus for mounted transducers and method thereof |
US9386657B2 (en) | 2012-03-15 | 2016-07-05 | Universal Display Corporation | Organic Electroluminescent materials and devices |
US10256777B2 (en) | 2016-02-29 | 2019-04-09 | Qualcomm Incorporated | Audio amplifiers |
US10218312B2 (en) | 2016-02-29 | 2019-02-26 | Qualcomm Incorporated | Dynamic volume management in audio amplifiers |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2827240B2 (ja) * | 1989-01-06 | 1998-11-25 | 三菱電機株式会社 | ゲイン調節器 |
US4912424A (en) * | 1989-06-12 | 1990-03-27 | Ford Motor Company | Audio amplifier with voltage limiting |
JP3225250B2 (ja) * | 1990-10-31 | 2001-11-05 | シントム株式会社 | 電子ボリューム装置 |
BE1003094A3 (fr) * | 1990-11-19 | 1991-11-19 | Staar Sa | Perfectionnements aux commandes d'appareils audio/video pour vehicules. |
US5255324A (en) * | 1990-12-26 | 1993-10-19 | Ford Motor Company | Digitally controlled audio amplifier with voltage limiting |
-
1994
- 1994-03-14 DE DE69414741T patent/DE69414741T2/de not_active Expired - Fee Related
- 1994-03-14 EP EP94200645A patent/EP0616425B1/de not_active Expired - Lifetime
- 1994-03-17 JP JP07249694A patent/JP3471070B2/ja not_active Expired - Fee Related
-
1996
- 1996-04-29 US US08/639,810 patent/US5633940A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020159344A1 (ru) * | 2019-01-29 | 2020-08-06 | Галимжан ГАБДРЕШОВ | Тифлоаппарат для ориентации сезуалов в пространстве |
Also Published As
Publication number | Publication date |
---|---|
US5633940A (en) | 1997-05-27 |
DE69414741D1 (de) | 1999-01-07 |
JPH077352A (ja) | 1995-01-10 |
EP0616425B1 (de) | 1998-11-25 |
JP3471070B2 (ja) | 2003-11-25 |
EP0616425A1 (de) | 1994-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |