FR2399777A1 - Haut-parleur, en particulier pour vehicule automobile - Google Patents
Haut-parleur, en particulier pour vehicule automobileInfo
- Publication number
- FR2399777A1 FR2399777A1 FR7821420A FR7821420A FR2399777A1 FR 2399777 A1 FR2399777 A1 FR 2399777A1 FR 7821420 A FR7821420 A FR 7821420A FR 7821420 A FR7821420 A FR 7821420A FR 2399777 A1 FR2399777 A1 FR 2399777A1
- Authority
- FR
- France
- Prior art keywords
- loudspeaker
- motor vehicles
- motor vehicle
- surrounded
- openings
- 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
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000006098 acoustic absorber Substances 0.000 abstract 1
- 239000010426 asphalt Substances 0.000 abstract 1
- 239000006260 foam Substances 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
- 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
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
-
- 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
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/165—Particles in a matrix
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
L'invention concerne généralement un haut-parleur, en particulier pour véhicule automobile. Le châssis 12 du haut-parleur 1 est pourvu d'une pluralité d'ouvertures 13 débouchant sur l'arrière du haut-parleur, et est entouré d'une couche 3 d'un absorbant acoustique, formé par une mousse uréthane contenant du bitume. L'invention s'applique aux haut-parleurs de véhicules automobiles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1977105280U JPS5654709Y2 (fr) | 1977-08-06 | 1977-08-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2399777A1 true FR2399777A1 (fr) | 1979-03-02 |
FR2399777B1 FR2399777B1 (fr) | 1982-01-22 |
Family
ID=14403253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7821420A Granted FR2399777A1 (fr) | 1977-08-06 | 1978-07-19 | Haut-parleur, en particulier pour vehicule automobile |
Country Status (5)
Country | Link |
---|---|
US (1) | US4256198A (fr) |
JP (1) | JPS5654709Y2 (fr) |
DE (1) | DE2834615C2 (fr) |
FR (1) | FR2399777A1 (fr) |
GB (1) | GB2002200B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503611A1 (fr) * | 1991-03-15 | 1992-09-16 | Nokia (Deutschland) GmbH | Haut-parleur à callottes aigues doubles |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4385210A (en) * | 1980-09-19 | 1983-05-24 | Electro-Magnetic Corporation | Electro-acoustic planar transducer |
JPS59163252U (ja) * | 1983-04-15 | 1984-11-01 | 株式会社 日東精密 | フライホイ−ル |
JPH0723418B2 (ja) * | 1986-07-15 | 1995-03-15 | 株式会社ブリヂストン | アスフアルト配合ポリウレタンフオ−ムの製造方法 |
GB2222744A (en) * | 1988-09-13 | 1990-03-14 | B & W Loudspeakers | Improvements in and relating to loudspeaker enclosures |
US5073948A (en) * | 1989-10-10 | 1991-12-17 | Vandersteen Richard J | Midrange loudspeaker driver |
US5909014A (en) * | 1991-08-29 | 1999-06-01 | Mengel; Clare Louis | Low frequency equaphase surround loudspeaker |
DE9306941U1 (de) * | 1993-05-07 | 1993-07-22 | Nokia (Deutschland) GmbH, 7530 Pforzheim | Am Gehäuse oder Chassis eines Gerätes der Unterhaltungselektronik befestigter Lautsprecher |
US5996727A (en) * | 1993-08-09 | 1999-12-07 | Ford Global Technologies, Inc. | Exterior noise absorbing cover for automotive loudspeaker |
US6723761B1 (en) * | 1996-02-15 | 2004-04-20 | Bose Corporation | Microcellular foaming |
GB0219106D0 (en) * | 2002-08-16 | 2002-09-25 | Kh Technology Corp | Improvements in loudspeakers |
US8494203B2 (en) * | 2006-05-30 | 2013-07-23 | Polycom, Inc. | Speaker and speaker enclosure |
US7899201B2 (en) * | 2006-05-30 | 2011-03-01 | Polycom, Inc. | Speaker with acoustic damped port |
KR102639434B1 (ko) | 2019-08-02 | 2024-02-22 | 삼성전자 주식회사 | 공기 흡착 부재를 포함하는 스피커 모듈 및 상기 스피커 모듈을 포함하는 전자 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1986856A (en) * | 1933-01-28 | 1935-01-08 | Rca Corp | Sound translating device |
US2186276A (en) * | 1937-05-07 | 1940-01-09 | Gen Motors Corp | Instrument panel speaker unit |
FR2000392A1 (fr) * | 1968-01-18 | 1969-09-05 | Rank Organisation Ltd |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1018467B (de) * | 1955-12-20 | 1957-10-31 | Rundfunk Betr Stechnik G M B H | Lautsprecher mit geringen Schwankungen des UEbertragungsmasses |
US2970060A (en) * | 1957-06-26 | 1961-01-31 | William H Burnett | Building units and method of producing the same |
FR1367937A (fr) * | 1963-08-29 | 1964-07-24 | Sarl Audiotecnic | Résistance acoustique pour l'amortissement mécanique des haut-parleurs électrodynamiques |
US3384719A (en) * | 1964-10-21 | 1968-05-21 | Gen Electric | Stereophonic speaker arrangement |
JPS4119287Y1 (fr) * | 1964-12-25 | 1966-09-09 | ||
US3549829A (en) * | 1967-04-10 | 1970-12-22 | Stephen L Heidrich | Electro-acoustic transducer |
US3385393A (en) * | 1967-09-15 | 1968-05-28 | Pacific Internat Plastics | Headrest and speaker apparatus |
JPS453432Y1 (fr) * | 1967-12-01 | 1970-02-16 | ||
US3478840A (en) * | 1968-11-07 | 1969-11-18 | John A Victoreen | Sound reproducer |
US3720285A (en) * | 1970-06-30 | 1973-03-13 | Rand Org Ltd | Loudspeakers |
JPS49100529U (fr) * | 1972-12-19 | 1974-08-29 | ||
US3987245A (en) * | 1975-01-23 | 1976-10-19 | Motorola, Inc. | Compensated speaker-microphone |
US3993345A (en) * | 1975-10-29 | 1976-11-23 | Acoustic Fiber Sound Systems, Inc. | Enclosure for automobile trunk-mounted loudspeaker |
US4127751A (en) * | 1975-11-27 | 1978-11-28 | Pioneer Electronic Corporation | Loudspeaker with rigid foamed back-cavity |
DE2617068A1 (de) * | 1976-04-17 | 1977-10-27 | Volkswagenwerk Ag | Lautsprecheranordnung fuer ein fahrzeug |
-
1977
- 1977-08-06 JP JP1977105280U patent/JPS5654709Y2/ja not_active Expired
-
1978
- 1978-07-07 GB GB7829145A patent/GB2002200B/en not_active Expired
- 1978-07-19 FR FR7821420A patent/FR2399777A1/fr active Granted
- 1978-07-25 US US05/927,687 patent/US4256198A/en not_active Expired - Lifetime
- 1978-08-07 DE DE2834615A patent/DE2834615C2/de not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1986856A (en) * | 1933-01-28 | 1935-01-08 | Rca Corp | Sound translating device |
US2186276A (en) * | 1937-05-07 | 1940-01-09 | Gen Motors Corp | Instrument panel speaker unit |
FR2000392A1 (fr) * | 1968-01-18 | 1969-09-05 | Rank Organisation Ltd |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503611A1 (fr) * | 1991-03-15 | 1992-09-16 | Nokia (Deutschland) GmbH | Haut-parleur à callottes aigues doubles |
Also Published As
Publication number | Publication date |
---|---|
DE2834615C2 (de) | 1982-05-06 |
JPS5654709Y2 (fr) | 1981-12-19 |
GB2002200A (en) | 1979-02-14 |
JPS5432124U (fr) | 1979-03-02 |
GB2002200B (en) | 1982-03-03 |
DE2834615A1 (de) | 1979-03-01 |
US4256198A (en) | 1981-03-17 |
FR2399777B1 (fr) | 1982-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |