IT1101005B - Impianto di altoparlanti - Google Patents
Impianto di altoparlantiInfo
- Publication number
- IT1101005B IT1101005B IT27772/78A IT2777278A IT1101005B IT 1101005 B IT1101005 B IT 1101005B IT 27772/78 A IT27772/78 A IT 27772/78A IT 2777278 A IT2777278 A IT 2777278A IT 1101005 B IT1101005 B IT 1101005B
- Authority
- IT
- Italy
- Prior art keywords
- loudspeaker system
- loudspeaker
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7710136,A NL184037C (nl) | 1977-09-15 | 1977-09-15 | Luidsprekerstelsel. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7827772A0 IT7827772A0 (it) | 1978-09-15 |
| IT1101005B true IT1101005B (it) | 1985-09-28 |
Family
ID=19829187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT27772/78A IT1101005B (it) | 1977-09-15 | 1978-09-15 | Impianto di altoparlanti |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4213515A (it) |
| DE (1) | DE2839111C2 (it) |
| FR (1) | FR2403706A1 (it) |
| IT (1) | IT1101005B (it) |
| NL (1) | NL184037C (it) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391346A (en) | 1979-10-04 | 1983-07-05 | Naoyuki Murakami | Loud-speaker |
| US4445730A (en) * | 1981-07-30 | 1984-05-01 | Cross Jimmie R | Speaker cabinet |
| US4524845A (en) * | 1983-02-28 | 1985-06-25 | Perrigo Stephen M | Low frequency speaker enclosure |
| US4592444A (en) * | 1983-02-28 | 1986-06-03 | Perrigo Stephen M | Low frequency speaker enclosure |
| FR2623337B1 (it) * | 1987-11-18 | 1990-06-08 | Dehaeze Jean Marie | |
| 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 |
| US5714721A (en) * | 1990-12-03 | 1998-02-03 | Bose Corporation | Porting |
| US5138656A (en) * | 1991-05-31 | 1992-08-11 | Abraham Shanes | Intercom with transducer enclosure to attenuate resonant frequencies |
| US5286928A (en) * | 1993-04-12 | 1994-02-15 | Borland Nathan J | Tunable speaker tube |
| US5818942A (en) * | 1994-11-02 | 1998-10-06 | Freadman; Tommyca | Multimedia stereo sound source |
| US5623132A (en) * | 1995-08-18 | 1997-04-22 | Precision Sound Products, Inc. | Modular port tuning kit |
| US5647012A (en) * | 1996-06-10 | 1997-07-08 | Han; Sang Wu | Tri-chamber speaker box |
| US5892183A (en) * | 1997-07-26 | 1999-04-06 | U.S. Philips Corporation | Loudspeaker system having a bass-reflex port |
| US6062338A (en) * | 1997-09-06 | 2000-05-16 | Thompson; Michael A. | Loud speaker enclosure |
| US6546298B1 (en) * | 1998-06-17 | 2003-04-08 | Micron Technology, Inc. | Speaker apparatus and a computer system incorporating same |
| FR2819974A1 (fr) * | 2001-01-24 | 2002-07-26 | Thomson Licensing Sa | Enceinte acoustique et appareil audiovisuel comportant une telle enceinte |
| US6619424B2 (en) * | 2001-07-02 | 2003-09-16 | Harman International Industries, Inc. | Speaker enclosure configured to minimize diffraction |
| US6604602B1 (en) * | 2002-09-30 | 2003-08-12 | Chae Yong Kim | Separable speaker cover box containing speaker system |
| CN101305640A (zh) * | 2005-11-09 | 2008-11-12 | Nxp股份有限公司 | 用于优化电声换能器频率响应的装置 |
| US8042647B1 (en) | 2009-03-16 | 2011-10-25 | Robert Layton, Jr. | Speaker side air supply |
| US8807269B1 (en) | 2012-01-09 | 2014-08-19 | Brian Lucy | Loudspeaker enclosure |
| US10645484B2 (en) | 2016-12-23 | 2020-05-05 | Tadeusz Kwolek | Loudspeaker cabinets, systems, and methods of construction |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL278736A (it) * | ||||
| GB337264A (en) * | 1929-12-13 | 1930-10-30 | Celestion Ltd | Improvements relating to acoustic instruments |
| US2971598A (en) * | 1956-08-23 | 1961-02-14 | Sieler George Jerome | Loud speaker |
| US3150739A (en) * | 1962-09-04 | 1964-09-29 | Dones Raymon | Loud speaker enclosure |
| US3142353A (en) * | 1962-10-25 | 1964-07-28 | Carmine V Todisco | Speaker enclosure |
| JPS4936416B1 (it) * | 1970-02-27 | 1974-09-30 | ||
| US3892288A (en) * | 1971-10-02 | 1975-07-01 | Monitron Ind | Speaker enclosure |
-
1977
- 1977-09-15 NL NLAANVRAGE7710136,A patent/NL184037C/xx not_active IP Right Cessation
-
1978
- 1978-09-08 DE DE2839111A patent/DE2839111C2/de not_active Expired
- 1978-09-12 US US05/941,743 patent/US4213515A/en not_active Expired - Lifetime
- 1978-09-13 FR FR7826260A patent/FR2403706A1/fr active Granted
- 1978-09-15 IT IT27772/78A patent/IT1101005B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL184037C (nl) | 1989-03-16 |
| IT7827772A0 (it) | 1978-09-15 |
| FR2403706B3 (it) | 1981-01-30 |
| NL7710136A (nl) | 1979-03-19 |
| FR2403706A1 (fr) | 1979-04-13 |
| US4213515A (en) | 1980-07-22 |
| DE2839111C2 (de) | 1986-09-11 |
| DE2839111A1 (de) | 1979-03-29 |
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