EP0213319A3 - Lautsprecher mit Membrangegenkopplung - Google Patents
Lautsprecher mit Membrangegenkopplung Download PDFInfo
- Publication number
- EP0213319A3 EP0213319A3 EP86109041A EP86109041A EP0213319A3 EP 0213319 A3 EP0213319 A3 EP 0213319A3 EP 86109041 A EP86109041 A EP 86109041A EP 86109041 A EP86109041 A EP 86109041A EP 0213319 A3 EP0213319 A3 EP 0213319A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- vibration
- loudspeaker
- electrical signal
- high frequency
- 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.)
- Withdrawn
Links
- 239000012528 membrane Substances 0.000 abstract 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 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
- H04R3/002—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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3524280 | 1985-07-06 | ||
DE19853524280 DE3524280A1 (de) | 1985-07-06 | 1985-07-06 | Lautsprecher mit membrangegenkopplung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0213319A2 EP0213319A2 (de) | 1987-03-11 |
EP0213319A3 true EP0213319A3 (de) | 1988-09-21 |
Family
ID=6275179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86109041A Withdrawn EP0213319A3 (de) | 1985-07-06 | 1986-07-02 | Lautsprecher mit Membrangegenkopplung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0213319A3 (enrdf_load_stackoverflow) |
DE (1) | DE3524280A1 (enrdf_load_stackoverflow) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1228767B (it) * | 1989-03-29 | 1991-07-03 | Electronsystem Spa | Avvisatore acustico per autoveicoli pilotato elettronicamente. |
DE4116819A1 (de) * | 1991-05-23 | 1992-11-26 | Nokia Deutschland Gmbh | Staubschutzkalotte fuer konuslautsprecher |
CH685657A5 (de) * | 1992-03-24 | 1995-08-31 | Maximilian Hobelsberger | Vorrichtung zur aktiven Simulation einer akustischen Impedanz. |
US5418860A (en) * | 1993-05-10 | 1995-05-23 | Aura Systems, Inc. | Voice coil excursion and amplitude gain control device |
US6195442B1 (en) * | 1999-08-27 | 2001-02-27 | The United States Of America As Represented By The Secretary Of The Air Force | Passive vibroacoustic attenuator for structural acoustic control |
EP2081403B1 (en) | 2008-01-17 | 2014-08-13 | VLSI Solution Oy | Method and device for detecting a displacement and movement of a sound producing unit of a woofer |
CN111610753B (zh) * | 2020-06-09 | 2021-10-08 | 聊城大学 | 一种双直线电机差动微进给伺服系统及控制方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860183A (en) * | 1954-02-01 | 1958-11-11 | Conrad Ivan Willard | Sound reproducing system |
DE2730500A1 (de) * | 1977-07-06 | 1979-01-25 | Elektroakustische Geraete H Hi | Istwertgeber fuer einen elektrodynamischen lautsprecher |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB231972A (en) * | 1924-01-29 | 1925-04-16 | Paul Gustavus Adolphus Helmuth | Improvements in or relating to thermionic amplifying circuits for telephony |
DE8423528U1 (de) * | 1984-08-08 | 1984-11-08 | Müller, Friedrich, 6650 Homburg | Lautsprecher |
DE3445572A1 (de) * | 1984-12-14 | 1985-06-27 | Ralf 6520 Worms Müller | Induktive gegenkopplung |
-
1985
- 1985-07-06 DE DE19853524280 patent/DE3524280A1/de active Granted
-
1986
- 1986-07-02 EP EP86109041A patent/EP0213319A3/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860183A (en) * | 1954-02-01 | 1958-11-11 | Conrad Ivan Willard | Sound reproducing system |
DE2730500A1 (de) * | 1977-07-06 | 1979-01-25 | Elektroakustische Geraete H Hi | Istwertgeber fuer einen elektrodynamischen lautsprecher |
Non-Patent Citations (3)
Title |
---|
FUNKSCHAU, Nr. 22, Oktober 1975, Seiten 118-121, München, DE; W.C. BACKES et al.: "Aktiver Lautsprecher mit kapazitiver Membrangegenkopplung" * |
FUNKSCHAU, Nr. 8, April 1977, Seite 331, München, DE: "RL 1000 P.I.D. - aktive geregelte Regielautsprechereinheit" * |
JOURNAL OF THE AUDIO ENGINEERING SOCIETY, Band 33, Nr. 6, Juni 1985, Seiten 430-435, New York, US; J.A.M. CATRYSSE: "On the design of some feedback circuits for loudspeakers" * |
Also Published As
Publication number | Publication date |
---|---|
EP0213319A2 (de) | 1987-03-11 |
DE3524280C2 (enrdf_load_stackoverflow) | 1989-01-12 |
DE3524280A1 (de) | 1987-01-15 |
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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 |
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PUAL | Search report despatched |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 19890130 |
|
18D | Application deemed to be withdrawn |
Effective date: 19900201 |