EP0366109A3 - Verfahren und Vorrichtung zur Linearisierung des Frequenzganges eines Lautsprechersystems - Google Patents
Verfahren und Vorrichtung zur Linearisierung des Frequenzganges eines Lautsprechersystems Download PDFInfo
- Publication number
- EP0366109A3 EP0366109A3 EP19890119821 EP89119821A EP0366109A3 EP 0366109 A3 EP0366109 A3 EP 0366109A3 EP 19890119821 EP19890119821 EP 19890119821 EP 89119821 A EP89119821 A EP 89119821A EP 0366109 A3 EP0366109 A3 EP 0366109A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- speaker system
- impedance
- frequency response
- linearizing
- feedback
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3836745 | 1988-10-28 | ||
DE3836745A DE3836745A1 (de) | 1988-10-28 | 1988-10-28 | Verfahren und vorrichtung zur linearisierung des frequenzganges eines lautsprechersystems |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0366109A2 EP0366109A2 (de) | 1990-05-02 |
EP0366109A3 true EP0366109A3 (de) | 1991-12-11 |
Family
ID=6366103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890119821 Ceased EP0366109A3 (de) | 1988-10-28 | 1989-10-25 | Verfahren und Vorrichtung zur Linearisierung des Frequenzganges eines Lautsprechersystems |
Country Status (3)
Country | Link |
---|---|
US (1) | US5068903A (de) |
EP (1) | EP0366109A3 (de) |
DE (1) | DE3836745A1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0322798A (ja) * | 1989-06-20 | 1991-01-31 | Yamaha Corp | パワーアンプ用アダプタ |
KR930001077B1 (ko) * | 1990-04-16 | 1993-02-15 | 삼성전자 주식회사 | 스피커의 저역 보상장치 |
DE4334040C2 (de) * | 1993-10-06 | 1996-07-11 | Klippel Wolfgang | Schaltungsanordnung zur selbständigen Korrektur des Übertragungsverhaltens von elektrodynamischen Schallsendern ohne zusätzlichen mechanischen oder akustischen Sensor |
WO1997025833A1 (en) * | 1996-01-12 | 1997-07-17 | Per Melchior Larsen | A method of correcting non-linear transfer behaviour in a loudspeaker |
US5796305A (en) * | 1996-06-14 | 1998-08-18 | Peavey Electronics Corporation | Amplifier arrangements with high damping factor |
US5771300A (en) * | 1996-09-25 | 1998-06-23 | Carrier Corporation | Loudspeaker phase distortion control using velocity feedback |
KR100226226B1 (ko) * | 1997-02-24 | 1999-10-15 | 윤덕용 | 혼합형 증폭기 |
US20040017921A1 (en) * | 2002-07-26 | 2004-01-29 | Mantovani Jose Ricardo Baddini | Electrical impedance based audio compensation in audio devices and methods therefor |
US20040086140A1 (en) * | 2002-11-06 | 2004-05-06 | Fedigan Stephen John | Apparatus and method for driving an audio speaker |
US8005230B2 (en) * | 2002-12-20 | 2011-08-23 | The AVC Group, LLC | Method and system for digitally controlling a multi-channel audio amplifier |
JP4682137B2 (ja) * | 2003-09-16 | 2011-05-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ周波数レンジ適応 |
EP1523218A1 (de) * | 2003-10-10 | 2005-04-13 | Sony Ericsson Mobile Communications AB | Verfahren zur Regelung eines Lautsprechers und zugehörige Vorrichtung |
US7826625B2 (en) * | 2004-12-21 | 2010-11-02 | Ntt Docomo, Inc. | Method and apparatus for frame-based loudspeaker equalization |
FR2884077B1 (fr) * | 2005-04-05 | 2007-06-15 | Nicolas Bailly | Amplificateur a double asservissement et enceinte associee |
US7873172B2 (en) * | 2005-06-06 | 2011-01-18 | Ntt Docomo, Inc. | Modified volterra-wiener-hammerstein (MVWH) method for loudspeaker modeling and equalization |
US7612682B2 (en) * | 2005-06-07 | 2009-11-03 | Metrotech Corporation | Locator with removable antenna portion |
US7525376B2 (en) * | 2006-07-10 | 2009-04-28 | Asterion, Inc. | Power amplifier with output voltage compensation |
WO2008007312A1 (en) * | 2006-07-10 | 2008-01-17 | Bobinados De Transformadores S.L. | Power amplifier |
GB0725117D0 (en) * | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Frequency control based on device properties |
EP2355542B1 (de) | 2010-02-04 | 2012-09-12 | Nxp B.V. | Steuerung einer Lautsprecherausgabe |
US8319507B2 (en) * | 2010-02-08 | 2012-11-27 | Nxp B.V. | System and method for sensing an amplifier load current |
EP2538699B1 (de) | 2011-06-22 | 2015-11-11 | Nxp B.V. | Steuerung einer Lautsprecherausgabe |
KR101469545B1 (ko) * | 2011-09-06 | 2014-12-05 | 삼성전자주식회사 | 오디오 신호 처리 방법 및 그에 따른 오디오 신호 처리 장치 |
US9565496B2 (en) * | 2011-09-22 | 2017-02-07 | Panasonic Intellectual Property Management Co., Ltd. | Sound reproduction device |
US8913752B2 (en) * | 2012-03-22 | 2014-12-16 | Htc Corporation | Audio signal measurement method for speaker and electronic apparatus having the speaker |
US9654064B2 (en) * | 2012-12-18 | 2017-05-16 | Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America | Amplifier apparatus with controlled negative output impedance |
US9386387B2 (en) * | 2013-05-23 | 2016-07-05 | Listen, Inc. | Audio measurement amplifier |
FR3018418B1 (fr) * | 2014-03-04 | 2017-11-10 | Univ Maine | Dispositif et procede de filtrage du pic de resonance dans un circuit d'alimentation d'au moins un haut-parleur |
FR3018419B1 (fr) * | 2014-03-05 | 2017-06-23 | Univ Maine | Dispositif et procede de filtrage du pic de resonance dans un circuit d'alimentation d'au moins un haut-parleur en amont de celui-ci |
US9374634B2 (en) | 2014-07-10 | 2016-06-21 | Nxp B.V. | System for controlling displacement of a loudspeaker |
JP6210027B2 (ja) * | 2014-07-18 | 2017-10-11 | ヤマハ株式会社 | 電力増幅器 |
GB201712391D0 (en) | 2017-08-01 | 2017-09-13 | Turner Michael James | Controller for an electromechanical transducer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4393353A (en) * | 1979-09-28 | 1983-07-12 | Victor Company Of Japan, Ltd. | Negative feedback amplifying circuit having voltage negative feedback and current negative feedback circuits |
GB2189967A (en) * | 1986-04-09 | 1987-11-04 | David Clifford Lane | Loudspeaker |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3872247A (en) * | 1971-05-20 | 1975-03-18 | Robert W Saville | Low cost of high fidelity high power variable class a amplifier-speaker combination |
DE3339108A1 (de) * | 1983-10-28 | 1985-05-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Tonwiedergabesystem |
NL8401041A (nl) * | 1984-04-03 | 1985-11-01 | Philips Nv | Elektro-akoestische inrichting. |
SE450613B (sv) * | 1986-03-20 | 1987-07-06 | Goran Hahne | Forfarande och kretsanordning for att forbettra frekvensatergivningen hos en audio-basforsterkare |
DE3637666A1 (de) * | 1986-11-05 | 1988-05-19 | Joachim Rieder | Phasen- und amplituden-geregelter lautsprecher mit beliebig vielen wegen |
JPS6490700A (en) * | 1987-09-30 | 1989-04-07 | Yamaha Corp | Motional load driving circuit |
-
1988
- 1988-10-28 DE DE3836745A patent/DE3836745A1/de not_active Withdrawn
-
1989
- 1989-10-25 EP EP19890119821 patent/EP0366109A3/de not_active Ceased
- 1989-10-27 US US07/427,828 patent/US5068903A/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4393353A (en) * | 1979-09-28 | 1983-07-12 | Victor Company Of Japan, Ltd. | Negative feedback amplifying circuit having voltage negative feedback and current negative feedback circuits |
GB2189967A (en) * | 1986-04-09 | 1987-11-04 | David Clifford Lane | Loudspeaker |
Also Published As
Publication number | Publication date |
---|---|
US5068903A (en) | 1991-11-26 |
EP0366109A2 (de) | 1990-05-02 |
DE3836745A1 (de) | 1990-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB NL SE |
|
17P | Request for examination filed |
Effective date: 19920520 |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ALCATEL SEL AKTIENGESELLSCHAFT Owner name: ALCATEL N.V. |
|
17Q | First examination report despatched |
Effective date: 19931129 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 19940513 |