DE3479855D1 - Method and apparatus for negative feedback of movement induced voltage in a loudspeaker - Google Patents
Method and apparatus for negative feedback of movement induced voltage in a loudspeakerInfo
- Publication number
- DE3479855D1 DE3479855D1 DE8484108638T DE3479855T DE3479855D1 DE 3479855 D1 DE3479855 D1 DE 3479855D1 DE 8484108638 T DE8484108638 T DE 8484108638T DE 3479855 T DE3479855 T DE 3479855T DE 3479855 D1 DE3479855 D1 DE 3479855D1
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- loudspeaker
- movement induced
- negative feedback
- induced voltage
- 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
Links
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
- H04R3/002—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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8484108638T DE3479855D1 (en) | 1983-07-22 | 1984-07-21 | Method and apparatus for negative feedback of movement induced voltage in a loudspeaker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833326494 DE3326494A1 (de) | 1983-07-22 | 1983-07-22 | Kontrolle der membranbewegung des dynamischen lautsprechers durch ein verbessertes netzwerk zur nachbildung seiner eingangsimpedanz |
DE8484108638T DE3479855D1 (en) | 1983-07-22 | 1984-07-21 | Method and apparatus for negative feedback of movement induced voltage in a loudspeaker |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3479855D1 true DE3479855D1 (en) | 1989-10-26 |
Family
ID=6204681
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833326494 Granted DE3326494A1 (de) | 1983-07-22 | 1983-07-22 | Kontrolle der membranbewegung des dynamischen lautsprechers durch ein verbessertes netzwerk zur nachbildung seiner eingangsimpedanz |
DE8484108638T Expired DE3479855D1 (en) | 1983-07-22 | 1984-07-21 | Method and apparatus for negative feedback of movement induced voltage in a loudspeaker |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833326494 Granted DE3326494A1 (de) | 1983-07-22 | 1983-07-22 | Kontrolle der membranbewegung des dynamischen lautsprechers durch ein verbessertes netzwerk zur nachbildung seiner eingangsimpedanz |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0133948B1 (de) |
AT (1) | ATE46600T1 (de) |
DE (2) | DE3326494A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4638258A (en) * | 1982-02-26 | 1987-01-20 | Barcus-Berry Electronics, Inc. | Reference load amplifier correction system |
GB2196815B (en) * | 1986-09-25 | 1989-01-11 | David Robin Birt | Motional feedback system for loudspeakers |
DE102004021546A1 (de) * | 2004-05-03 | 2005-12-08 | Avantgarde Acoustic Lautsprechersysteme Gmbh | Hornlautsprecher |
WO2008007312A1 (en) * | 2006-07-10 | 2008-01-17 | Bobinados De Transformadores S.L. | Power amplifier |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3889060A (en) * | 1972-09-11 | 1975-06-10 | Matsushita Electric Ind Co Ltd | Feedback amplifier distortion-cancelling circuit |
DE2420689C3 (de) * | 1974-04-29 | 1984-09-20 | Arndt 7500 Karlsruhe Klingelnberg | Verfahren und Anordnung zur Verbesserung der Eigenschaften elektrodynamischer Wandler durch Bewegungsgegenkopplung |
AU512725B2 (en) * | 1976-06-08 | 1980-10-23 | E. Hermann Keith | Voice coil amplifier |
DE2828520C2 (de) * | 1978-06-29 | 1985-09-05 | Hermann Dipl.-Ing. 6837 St Leon-Rot Tropf | Regelung der Membranbewegung von getaktet betriebenen elektrodynamischen Lautsprechern |
DE2922112A1 (de) * | 1979-05-31 | 1980-12-04 | Wolfgang Scholl | Regelungsverfahren fuer lautsprecher |
JPS6134749Y2 (de) * | 1979-09-28 | 1986-10-09 | ||
DE3021007C2 (de) * | 1980-05-31 | 1984-05-17 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Schaltungsanordnung mit Verstärker und Übertrager |
-
1983
- 1983-07-22 DE DE19833326494 patent/DE3326494A1/de active Granted
-
1984
- 1984-07-21 DE DE8484108638T patent/DE3479855D1/de not_active Expired
- 1984-07-21 AT AT84108638T patent/ATE46600T1/de not_active IP Right Cessation
- 1984-07-21 EP EP84108638A patent/EP0133948B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3326494A1 (de) | 1985-01-31 |
ATE46600T1 (de) | 1989-10-15 |
EP0133948A1 (de) | 1985-03-13 |
DE3326494C2 (de) | 1991-02-14 |
EP0133948B1 (de) | 1989-09-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU508491B2 (en) | Method and apparatus for improving the bass reproduction ofa loudspeaker | |
JPS5536800A (en) | Resistance neutralization system for electrochemical device | |
SE8008417L (sv) | Matning av telefonlinjer | |
GB1470577A (en) | Equalizers | |
JPS54152846A (en) | Pulse duration modulating signal amplifier circuit | |
ES8206944A1 (es) | Perfeccionamientos introducidos en un circuito para mues- trear una senal de entrada, que tiene un intervalo de refe- rencia y un intervalo de senal | |
DE3479855D1 (en) | Method and apparatus for negative feedback of movement induced voltage in a loudspeaker | |
JPS5611569A (en) | Electronic integrator for generating electric output signal | |
SE8205342D0 (sv) | Metod och anordning vid strommatning av en abonnentapparat fran en telefonvexel | |
KR920011051A (ko) | 분리형 증폭기 회로 | |
AU5796480A (en) | Negative current feedback amplifier | |
FR2720835B1 (fr) | Circuit de mesure de courant comprenant un transformateur à inductance mutuelle et un circuit intégrateur. | |
ES455384A1 (es) | Perfeccionamientos en aparatos de utilizacion de senal elec-tronica para separar y ampliar componentes de senal de im- pulsion y croma de una senal de crominancia compuesta de te-levision en color periodica. | |
JPS5644862A (en) | Constant voltage constant electric current supply test device | |
EP0074137B1 (de) | Apparat zur elektroakustischen Umsetzung von Energie | |
DE3478383D1 (en) | Energy-saving switching device | |
JPS55112097A (en) | Acoustic system | |
ES8206042A1 (es) | Dispositivo de medida de la potencia reactiva monofasica de una red electrica | |
ES537753A0 (es) | Perfeccionamientos en los circuitos telefonicos | |
JPS55125404A (en) | Distortion gage | |
JPS6471317A (en) | Threshold comparing circuit | |
JPS54120516A (en) | Transmission system for alternating current signal | |
JPS5737910A (en) | Negative feedback amplifier | |
NO160107C (no) | Elektrolytisk apparat innbefattende en elektrisk forbindelse for passasje av en elektrisk stroem mellom kobber- og titanledere. | |
JPS54128609A (en) | Equalizer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DICK, BURKHARD, DIPL.-ING., 2000 HAMBURG, DE SCHER |
|
8381 | Inventor (new situation) |
Free format text: DICK, BURKHARD, DIPL.-ING., 2000 HAMBURG, DE SCHERER, PAUL, DIPL.-ING. DR.-ING., 5100 AACHEN, (VERSTORBEN), DE |
|
8339 | Ceased/non-payment of the annual fee |