JPS57152295A - Bass-reflex type speaker system - Google Patents
Bass-reflex type speaker systemInfo
- Publication number
- JPS57152295A JPS57152295A JP56037443A JP3744381A JPS57152295A JP S57152295 A JPS57152295 A JP S57152295A JP 56037443 A JP56037443 A JP 56037443A JP 3744381 A JP3744381 A JP 3744381A JP S57152295 A JPS57152295 A JP S57152295A
- Authority
- JP
- Japan
- Prior art keywords
- duct
- port
- board
- sound
- sounds
- 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
- 240000008042 Zea mays Species 0.000 abstract 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract 1
- 235000005822 corn Nutrition 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000010355 oscillation 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
- 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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type 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
- 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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56037443A JPS57152295A (en) | 1981-03-16 | 1981-03-16 | Bass-reflex type speaker system |
| US06/357,654 US4413703A (en) | 1981-03-16 | 1982-03-12 | Bass-reflex type speaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56037443A JPS57152295A (en) | 1981-03-16 | 1981-03-16 | Bass-reflex type speaker system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57152295A true JPS57152295A (en) | 1982-09-20 |
| JPS6230559B2 JPS6230559B2 (enExample) | 1987-07-02 |
Family
ID=12497643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56037443A Granted JPS57152295A (en) | 1981-03-16 | 1981-03-16 | Bass-reflex type speaker system |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4413703A (enExample) |
| JP (1) | JPS57152295A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100355481B1 (ko) * | 1993-10-01 | 2002-12-26 | 소니 가부시끼 가이샤 | 스피커시스템 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619096A (ja) * | 1984-06-25 | 1986-01-16 | Clarion Co Ltd | スピ−カ装置 |
| US4899390A (en) * | 1986-09-19 | 1990-02-06 | Matsushita Electric Industrial Co., Ltd. | Thin speaker having an enclosure within an open portion and a closed portion |
| FR2623337B1 (enExample) * | 1987-11-18 | 1990-06-08 | Dehaeze Jean Marie | |
| JPH0358720A (ja) * | 1989-07-25 | 1991-03-13 | ▲くわ▼葉 祐次 | 栽培植物の根圏環境への灌水施肥換気方法及びその装置並びに灌水施肥用の給水器 |
| US5204501A (en) * | 1992-02-20 | 1993-04-20 | Tsao Ye Ming | Synchronous common polar resonant wall type speaker cabinet |
| USD349499S (en) | 1992-12-07 | 1994-08-09 | Collins Benjamin P | Subwoofer housing |
| US5324896A (en) * | 1993-04-12 | 1994-06-28 | Joseph Magnani | Audio loudspeaker system |
| MX337305B (es) * | 2008-05-12 | 2016-02-24 | Kaleo Inc | Dispositivo de administracion de medicamentos provisto de un sistema de circuitos electronicos. |
| US8042647B1 (en) | 2009-03-16 | 2011-10-25 | Robert Layton, Jr. | Speaker side air supply |
| US9154863B2 (en) * | 2012-12-26 | 2015-10-06 | John Smith | Speaker enclosure and method for eliminating standing waves therein |
| US9247341B2 (en) * | 2014-02-26 | 2016-01-26 | Htc Corporation | Speaker module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2757751A (en) * | 1952-04-07 | 1956-08-07 | Ernest A Tavares | Small extended-low-frequency-response loudspeaker enclosure |
| US3952159A (en) * | 1973-03-09 | 1976-04-20 | Zenith Radio Corporation | Ducted port reflex enclosure |
| US4200170A (en) * | 1977-08-29 | 1980-04-29 | Williams John H Jr | Pyramid speaker assembly |
| US4196792A (en) * | 1978-11-09 | 1980-04-08 | Grieves J Philip | Laminar flow vented speaker enclosure |
-
1981
- 1981-03-16 JP JP56037443A patent/JPS57152295A/ja active Granted
-
1982
- 1982-03-12 US US06/357,654 patent/US4413703A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100355481B1 (ko) * | 1993-10-01 | 2002-12-26 | 소니 가부시끼 가이샤 | 스피커시스템 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4413703A (en) | 1983-11-08 |
| JPS6230559B2 (enExample) | 1987-07-02 |
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