JPS5435704Y2 - - Google Patents
Info
- Publication number
- JPS5435704Y2 JPS5435704Y2 JP1976004364U JP436476U JPS5435704Y2 JP S5435704 Y2 JPS5435704 Y2 JP S5435704Y2 JP 1976004364 U JP1976004364 U JP 1976004364U JP 436476 U JP436476 U JP 436476U JP S5435704 Y2 JPS5435704 Y2 JP S5435704Y2
- Authority
- JP
- Japan
- 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.)
- Expired
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
- H04R1/28—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
-
- 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
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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976004364U JPS5435704Y2 (en]) | 1976-01-19 | 1976-01-19 | |
| US05/758,757 US4135600A (en) | 1976-01-19 | 1977-01-12 | Loudspeaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976004364U JPS5435704Y2 (en]) | 1976-01-19 | 1976-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5296631U JPS5296631U (en]) | 1977-07-20 |
| JPS5435704Y2 true JPS5435704Y2 (en]) | 1979-10-30 |
Family
ID=11582311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976004364U Expired JPS5435704Y2 (en]) | 1976-01-19 | 1976-01-19 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4135600A (en]) |
| JP (1) | JPS5435704Y2 (en]) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284166A (en) * | 1979-04-13 | 1981-08-18 | Gale George A | Port devices for bass-reflex speaker enclosures |
| NL8102572A (nl) * | 1981-05-26 | 1982-12-16 | Philips Nv | Elektroakoestische omzetter van het band-type met lage vervorming en verbeterde gevoeligheid. |
| JPS619096A (ja) * | 1984-06-25 | 1986-01-16 | Clarion Co Ltd | スピ−カ装置 |
| JPH0638549Y2 (ja) * | 1985-08-29 | 1994-10-05 | パイオニア株式会社 | 車載用スピ−カ装置 |
| FR2623337B1 (en]) * | 1987-11-18 | 1990-06-08 | Dehaeze Jean Marie | |
| US5012890A (en) * | 1988-03-23 | 1991-05-07 | Yamaha Corporation | Acoustic apparatus |
| JP2751190B2 (ja) * | 1988-03-25 | 1998-05-18 | ヤマハ株式会社 | 音響再生帯域拡大装置およびその方法 |
| DE68919495T2 (de) * | 1988-03-25 | 1995-07-20 | Yamaha Corp | Akustischer Apparat. |
| JPH0727750Y2 (ja) * | 1988-08-10 | 1995-06-21 | ヤマハ株式会社 | 音響装置 |
| US5109422A (en) * | 1988-09-28 | 1992-04-28 | Yamaha Corporation | Acoustic apparatus |
| US5693916A (en) * | 1994-06-30 | 1997-12-02 | Von Sprecken; Richard F. | Method for designing loud speaker enclosures |
| FR2727819B1 (fr) * | 1994-12-02 | 1998-04-30 | Charlet Francois | Dispositif a event pour emetteur de son |
| FR2824990B1 (fr) * | 2001-05-15 | 2003-09-26 | Jean Pierre Morkerken | Emetteur de son et haut-parleur |
| US20140224569A1 (en) * | 2013-02-13 | 2014-08-14 | Pellisari, LLC | Reflex Tube for a Ported Speaker |
| GB2523143B (en) * | 2014-02-14 | 2021-04-28 | Gp Acoustics Uk Ltd | Loudspeaker bass reflex system |
| US9749735B1 (en) * | 2016-07-06 | 2017-08-29 | Bose Corporation | Waveguide |
| JP6823761B1 (ja) * | 2019-08-23 | 2021-02-03 | 賢太 大泉 | バスレフダクト及びスピーカーシステム |
| CN116491128A (zh) * | 2020-11-13 | 2023-07-25 | 松下电器（美国）知识产权公司 | 音响装置 |
| DE102022109764A1 (de) * | 2022-04-22 | 2023-10-26 | Umfotec Acoustic Solutions GmbH | Schallminderer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2065751A (en) * | 1935-12-31 | 1936-12-29 | Rca Corp | Acoustic resistance device |
| US2810448A (en) * | 1954-12-27 | 1957-10-22 | Willem J D Van Dijck | Loud-speaker enclosure |
| US2990906A (en) * | 1958-10-08 | 1961-07-04 | Koppers Co Inc | Acoustic absorber |
| AU431320B2 (en) * | 1968-02-27 | 1972-12-28 | Theuniversity Of Sydney | Improvements in air ducting |
| US3684051A (en) * | 1970-10-08 | 1972-08-15 | Herbert J Hopkins | Acoustic duct speaker system |
-
1976
- 1976-01-19 JP JP1976004364U patent/JPS5435704Y2/ja not_active Expired
-
1977
- 1977-01-12 US US05/758,757 patent/US4135600A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4135600A (en) | 1979-01-23 |
| JPS5296631U (en]) | 1977-07-20 |