GB9306098D0 - Device for activr simulation of an acoustical impedance - Google Patents
Device for activr simulation of an acoustical impedanceInfo
- Publication number
- GB9306098D0 GB9306098D0 GB939306098A GB9306098A GB9306098D0 GB 9306098 D0 GB9306098 D0 GB 9306098D0 GB 939306098 A GB939306098 A GB 939306098A GB 9306098 A GB9306098 A GB 9306098A GB 9306098 D0 GB9306098 D0 GB 9306098D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- activr
- simulation
- acoustical impedance
- acoustical
- impedance
- 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
- 238000004088 simulation Methods 0.000 title 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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
- H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers
-
- 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
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH91692A CH685657A5 (en) | 1992-03-24 | 1992-03-24 | An active simulation of an acoustic impedance. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9306098D0 true GB9306098D0 (en) | 1993-05-12 |
GB2265520A GB2265520A (en) | 1993-09-29 |
GB2265520B GB2265520B (en) | 1996-02-14 |
Family
ID=4198160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9306098A Expired - Fee Related GB2265520B (en) | 1992-03-24 | 1993-03-24 | Device for active simulation of an acoustical impedance |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT406105B (en) |
CH (1) | CH685657A5 (en) |
DE (1) | DE4308961B4 (en) |
GB (1) | GB2265520B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6088459A (en) * | 1997-10-30 | 2000-07-11 | Hobelsberger; Maximilian Hans | Loudspeaker system with simulated baffle for improved base reproduction |
GB2532796A (en) * | 2014-11-28 | 2016-06-01 | Relec Sa | Low frequency active acoustic absorber by acoustic velocity control through porous resistive layers |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3821473A (en) * | 1969-06-20 | 1974-06-28 | J Mullins | Sound reproduction system with driven and undriven speakers and motional feedback |
US4327250A (en) * | 1979-05-03 | 1982-04-27 | Electro Audio Dynamics Inc. | Dynamic speaker equalizer |
GB2122051A (en) * | 1982-06-01 | 1984-01-04 | Goodmans Loudspeakers Limited | Loudspeaker systems |
WO1984000274A1 (en) * | 1982-06-30 | 1984-01-19 | B & W Loudspeakers | Environment-adaptive loudspeaker systems |
DE3524280A1 (en) * | 1985-07-06 | 1987-01-15 | Michael Bolz | SPEAKER WITH MEMBRANE COUNTERCOUPLING |
US5009281A (en) * | 1988-03-10 | 1991-04-23 | Yamaha Corporation | Acoustic apparatus |
CA2060661C (en) * | 1990-04-09 | 1997-11-25 | Max Hobelsberger | Device for improving bass reproduction in loudspeaker systems with closed housing |
DE4027511C1 (en) * | 1990-08-30 | 1991-10-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De |
-
1992
- 1992-03-24 CH CH91692A patent/CH685657A5/en not_active IP Right Cessation
-
1993
- 1993-03-20 DE DE19934308961 patent/DE4308961B4/en not_active Expired - Fee Related
- 1993-03-22 AT AT55793A patent/AT406105B/en not_active IP Right Cessation
- 1993-03-24 GB GB9306098A patent/GB2265520B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATA55793A (en) | 1999-06-15 |
DE4308961A1 (en) | 1994-02-03 |
GB2265520B (en) | 1996-02-14 |
GB2265520A (en) | 1993-09-29 |
CH685657A5 (en) | 1995-08-31 |
DE4308961B4 (en) | 2005-08-18 |
AT406105B (en) | 2000-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20090324 |