FR2349252A1 - Transformateur acoustique pour haut-parleurs a pavillon - Google Patents
Transformateur acoustique pour haut-parleurs a pavillonInfo
- Publication number
- FR2349252A1 FR2349252A1 FR7629218A FR7629218A FR2349252A1 FR 2349252 A1 FR2349252 A1 FR 2349252A1 FR 7629218 A FR7629218 A FR 7629218A FR 7629218 A FR7629218 A FR 7629218A FR 2349252 A1 FR2349252 A1 FR 2349252A1
- Authority
- FR
- France
- Prior art keywords
- pavilion
- speakers
- acoustic transformer
- acoustic
- transformer
- 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
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/678,873 US4050541A (en) | 1976-04-21 | 1976-04-21 | Acoustical transformer for horn-type loudspeaker |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2349252A1 true FR2349252A1 (fr) | 1977-11-18 |
FR2349252B1 FR2349252B1 (fr) | 1982-05-21 |
Family
ID=24724642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7629218A Granted FR2349252A1 (fr) | 1976-04-21 | 1976-09-29 | Transformateur acoustique pour haut-parleurs a pavillon |
Country Status (6)
Country | Link |
---|---|
US (1) | US4050541A (fr) |
JP (1) | JPS52129517A (fr) |
BE (1) | BE856768A (fr) |
DE (1) | DE2648428A1 (fr) |
FR (1) | FR2349252A1 (fr) |
GB (1) | GB1514007A (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS547783Y2 (fr) * | 1977-01-29 | 1979-04-11 | ||
US4205585A (en) * | 1977-03-28 | 1980-06-03 | Hornick Robert A | Audio/visual conversion system |
US4157741A (en) * | 1978-08-16 | 1979-06-12 | Goldwater Alan J | Phase plug |
US4193647A (en) * | 1978-09-11 | 1980-03-18 | Telex Communications, Inc. | Piezoelectric ceramic transducers with uniform resonant frequency |
JPS5819904Y2 (ja) * | 1978-11-30 | 1983-04-23 | 三菱電機株式会社 | ホ−ンスピ−カ |
US4310065A (en) * | 1979-05-11 | 1982-01-12 | Chromalloy Electronics Corporation | Radial horn |
US4325456A (en) * | 1980-10-10 | 1982-04-20 | Altec Corporation | Acoustical transformer for compression-type loudspeaker with an annular diaphragm |
JPS58130694A (ja) * | 1982-01-28 | 1983-08-04 | Matsushita Electric Ind Co Ltd | ホ−ンスピ−カ |
US4525604A (en) * | 1983-06-07 | 1985-06-25 | Electro-Voice, Incorporated | Horn loudspeaker with convex diaphragm |
US4718517A (en) * | 1986-02-27 | 1988-01-12 | Electro-Voice, Inc. | Loudspeaker and acoustic transformer therefor |
US4882562A (en) * | 1986-03-11 | 1989-11-21 | Turbosound Limited | Adaptor for coupling plural compression drivers to a common horn |
GB8724299D0 (en) * | 1987-10-16 | 1987-11-18 | Adamson Acoustic Design Corp | Loudspeaker design |
US5117462A (en) * | 1991-03-20 | 1992-05-26 | Jbl Incorporated | Phasing plug for compression driver |
US6064745A (en) * | 1997-09-26 | 2000-05-16 | Peavey Electronics Corporation | Compression driver phase plug |
JP3562383B2 (ja) * | 1998-06-02 | 2004-09-08 | 株式会社村田製作所 | スピーカ |
US6118883A (en) * | 1998-09-24 | 2000-09-12 | Eastern Acoustic Works, Inc. | System for controlling low frequency acoustical directivity patterns and minimizing directivity discontinuities during frequency transitions |
US6094495A (en) * | 1998-09-24 | 2000-07-25 | Eastern Acoustic Works, Inc. | Horn-type loudspeaker system |
AU2001280958A1 (en) * | 2000-07-31 | 2002-02-13 | Harman International Industries Inc. | Two-stage phasing plug system in a compression driver |
FR2827732B1 (fr) * | 2001-07-23 | 2004-01-23 | Nexo | Unite de sonorisation electroacoustique a pavillon ou guide d'onde acoustique |
US7039211B2 (en) * | 2002-03-28 | 2006-05-02 | Harman International Industries, Incorporated | Horn-loaded compression driver system |
US20040066947A1 (en) * | 2002-10-04 | 2004-04-08 | Geddes Earl Rossell | Transducer with multiple phase plugs |
ITPR20020064A1 (it) | 2002-10-31 | 2004-05-01 | Aeb Srl | Equalizzatore, o phase plug, per trasduttori elettroacustici. |
US7095868B2 (en) * | 2003-02-10 | 2006-08-22 | Earl Geddes | Phase plug with optimum aperture shapes |
US7639830B2 (en) * | 2006-03-02 | 2009-12-29 | Cogent True-To-Life Loudspeakers, Incorporated | Apparatus for acoustic loading of a diaphragm |
GB2437126B (en) * | 2006-04-13 | 2011-02-09 | Gp Acoustics | Phase plug |
GB2437125B (en) * | 2006-04-13 | 2011-02-09 | Gp Acoustics | Phase plug for compression driver |
US20080192972A1 (en) * | 2007-02-13 | 2008-08-14 | Vernon Lewallen | Phasing plug for acoustic compression drivers |
JP4630319B2 (ja) * | 2007-09-10 | 2011-02-09 | 宏一 平岡 | ホーンスピーカ |
JP5268203B2 (ja) | 2008-08-14 | 2013-08-21 | ハーマン インターナショナル インダストリーズ インコーポレイテッド | 直接放射ラウドスピーカのためのフェイズプラグおよび音響レンズ |
WO2010116387A1 (fr) * | 2009-04-06 | 2010-10-14 | Fabbrica Italiana Altoparlanti S.P.A. | Haut parleur à compression |
US8989419B2 (en) | 2012-01-18 | 2015-03-24 | Curtis E. Graber | Phase plug with axially twisted radial channels |
CN105101018B (zh) * | 2014-05-23 | 2018-10-26 | 苏新平 | 一种扩音用的号角系统 |
US10555072B2 (en) | 2014-06-18 | 2020-02-04 | Harman International Industries, Incorporated | Aperture patterns and orientations for optimization of phasing plug performance in compression drivers |
US10250972B2 (en) * | 2017-03-23 | 2019-04-02 | Apple Inc. | Phase plug having non-round face profile |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2183528A (en) * | 1937-08-14 | 1939-12-19 | John F Blackburn | Loudspeaker |
GB654378A (en) * | 1947-09-10 | 1951-06-13 | Leonard Young | Improvements in and relating to electro-dynamic devices for converting electrical oscillations into sound waves |
DE939879C (de) * | 1949-03-15 | 1956-03-08 | Siemens Ag | Druckkammerlautsprecher mit mehreren Schallkanaelen, die von der Druckkammer zum Trichtereingang fuehren |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE606087C (de) * | 1930-03-18 | 1934-11-24 | Telefunken Gmbh | Trichterlautsprecher |
US2037187A (en) * | 1933-03-28 | 1936-04-14 | Bell Telephone Labor Inc | Sound translating device |
US2858377A (en) * | 1953-04-29 | 1958-10-28 | Arthur Blumenfeld | Driver unit for loudspeakers |
US2942071A (en) * | 1954-10-01 | 1960-06-21 | Rca Corp | Horn-type transducer |
US2832844A (en) * | 1957-04-29 | 1958-04-29 | Univ Loudspeakers Inc | Speaker driver |
US3027964A (en) * | 1958-06-24 | 1962-04-03 | Ampex | Loudspeaker |
US3852529A (en) * | 1973-01-10 | 1974-12-03 | Motorola Inc | Acoustic horn |
-
1976
- 1976-04-21 US US05/678,873 patent/US4050541A/en not_active Expired - Lifetime
- 1976-09-20 GB GB38936/76A patent/GB1514007A/en not_active Expired
- 1976-09-29 FR FR7629218A patent/FR2349252A1/fr active Granted
- 1976-10-26 DE DE19762648428 patent/DE2648428A1/de active Granted
-
1977
- 1977-01-21 JP JP632877A patent/JPS52129517A/ja active Granted
- 1977-07-13 BE BE179302A patent/BE856768A/fr not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2183528A (en) * | 1937-08-14 | 1939-12-19 | John F Blackburn | Loudspeaker |
GB654378A (en) * | 1947-09-10 | 1951-06-13 | Leonard Young | Improvements in and relating to electro-dynamic devices for converting electrical oscillations into sound waves |
DE939879C (de) * | 1949-03-15 | 1956-03-08 | Siemens Ag | Druckkammerlautsprecher mit mehreren Schallkanaelen, die von der Druckkammer zum Trichtereingang fuehren |
Also Published As
Publication number | Publication date |
---|---|
BE856768A (fr) | 1978-01-13 |
JPS547574B2 (fr) | 1979-04-07 |
DE2648428A1 (de) | 1977-11-03 |
US4050541A (en) | 1977-09-27 |
JPS52129517A (en) | 1977-10-31 |
GB1514007A (en) | 1978-06-14 |
DE2648428C2 (fr) | 1988-05-26 |
FR2349252B1 (fr) | 1982-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |