NL8102163A - Hoornluidspreker van het sectoriele diffusietype, en werkwijze voor het maken van deze luidsprekers. - Google Patents
Hoornluidspreker van het sectoriele diffusietype, en werkwijze voor het maken van deze luidsprekers. Download PDFInfo
- Publication number
- NL8102163A NL8102163A NL8102163A NL8102163A NL8102163A NL 8102163 A NL8102163 A NL 8102163A NL 8102163 A NL8102163 A NL 8102163A NL 8102163 A NL8102163 A NL 8102163A NL 8102163 A NL8102163 A NL 8102163A
- Authority
- NL
- Netherlands
- Prior art keywords
- diffusion
- loudspeaker
- sector
- horn
- circular
- Prior art date
Links
- 238000009792 diffusion process Methods 0.000 title claims description 62
- 238000000034 method Methods 0.000 title claims description 15
- 239000012528 membrane Substances 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000003472 neutralizing effect Effects 0.000 claims description 6
- 230000002238 attenuated effect Effects 0.000 claims description 4
- 239000011358 absorbing material Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 2
- 230000002411 adverse Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 235000003301 Ceiba pentandra Nutrition 0.000 description 1
- 244000146553 Ceiba pentandra Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
-
- 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
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
-
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3117693 | 1981-04-29 | ||
| DE19813117693 DE3117693A1 (de) | 1981-04-29 | 1981-04-29 | Verfahren zur herstellung von lautsprechern mit winkelausstrahlung und nach diesem verfahren hergestellter lautsprecher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8102163A true NL8102163A (nl) | 1982-12-01 |
Family
ID=6131470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8102163A NL8102163A (nl) | 1981-04-29 | 1981-05-01 | Hoornluidspreker van het sectoriele diffusietype, en werkwijze voor het maken van deze luidsprekers. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4429762A (enExample) |
| DE (1) | DE3117693A1 (enExample) |
| FR (1) | FR2506550A1 (enExample) |
| GB (1) | GB2098024A (enExample) |
| NL (1) | NL8102163A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2213677A (en) * | 1987-12-09 | 1989-08-16 | Canon Kk | Sound output system |
| US6338395B1 (en) * | 1999-09-29 | 2002-01-15 | P.T. Hartono Istana Electronics | Kapok loudspeaker enclosure damping material |
| JP2004196626A (ja) * | 2002-12-20 | 2004-07-15 | Sumitomo Chem Co Ltd | 酸化チタンの製造方法 |
| US7708112B2 (en) * | 2005-11-10 | 2010-05-04 | Earl Russell Geddes | Waveguide phase plug |
| US7802535B2 (en) * | 2007-09-06 | 2010-09-28 | Wolo Mfg. Corp. | Electropneumatic horn system |
| WO2009032442A1 (en) * | 2007-09-06 | 2009-03-12 | Wolo Mfg.Corp. | Electropneumatic horn system |
| USD611864S1 (en) | 2008-08-21 | 2010-03-16 | Wolo Mfg. Corp. | Electropneumatic horn |
| FR3034564B1 (fr) * | 2015-04-02 | 2017-04-28 | Focal Jmlab | Dispositif d'adaptation d'impedance acoustique et haut-parleur equipe d'un tel dispositif |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3866710A (en) | 1972-11-01 | 1975-02-18 | Mario Cesati | Horn loudspeakers |
| JPS5037425A (enExample) | 1973-08-04 | 1975-04-08 |
-
1981
- 1981-04-29 DE DE19813117693 patent/DE3117693A1/de not_active Withdrawn
- 1981-05-01 US US06/259,559 patent/US4429762A/en not_active Expired - Fee Related
- 1981-05-01 NL NL8102163A patent/NL8102163A/nl not_active Application Discontinuation
- 1981-05-01 GB GB8113595A patent/GB2098024A/en not_active Withdrawn
- 1981-05-21 FR FR8108939A patent/FR2506550A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4429762A (en) | 1984-02-07 |
| GB2098024A (en) | 1982-11-10 |
| FR2506550A1 (fr) | 1982-11-26 |
| FR2506550B3 (enExample) | 1984-03-16 |
| DE3117693A1 (de) | 1982-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |