IT1314660B1 - IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITY - Google Patents
IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITYInfo
- Publication number
- IT1314660B1 IT1314660B1 IT2000BS000025A ITBS20000025A IT1314660B1 IT 1314660 B1 IT1314660 B1 IT 1314660B1 IT 2000BS000025 A IT2000BS000025 A IT 2000BS000025A IT BS20000025 A ITBS20000025 A IT BS20000025A IT 1314660 B1 IT1314660 B1 IT 1314660B1
- Authority
- IT
- Italy
- Prior art keywords
- diffuser
- improved broadband
- directivity
- high efficiency
- efficiency
- Prior art date
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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000BS000025A IT1314660B1 (en) | 2000-03-21 | 2000-03-21 | IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITY |
EP01830160A EP1137318A2 (en) | 2000-03-21 | 2001-03-08 | Wide-band diffusor, with high efficiency and high directivity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000BS000025A IT1314660B1 (en) | 2000-03-21 | 2000-03-21 | IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITY |
Publications (3)
Publication Number | Publication Date |
---|---|
ITBS20000025A0 ITBS20000025A0 (en) | 2000-03-21 |
ITBS20000025A1 ITBS20000025A1 (en) | 2001-09-21 |
IT1314660B1 true IT1314660B1 (en) | 2002-12-31 |
Family
ID=11440459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2000BS000025A IT1314660B1 (en) | 2000-03-21 | 2000-03-21 | IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITY |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1137318A2 (en) |
IT (1) | IT1314660B1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7551062B2 (en) | 2005-03-14 | 2009-06-23 | American Technology Corporation | Directional acoustic device |
EP1928207B1 (en) * | 2006-11-28 | 2014-01-01 | Leka Stillfilm | A device for generating dispersed sound waves |
RU2547897C2 (en) * | 2013-07-26 | 2015-04-10 | Открытое акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" | Wide-beam electrostatic loudspeaker |
USRE49437E1 (en) | 2014-09-30 | 2023-02-28 | Apple Inc. | Audio driver and power supply unit architecture |
KR101973488B1 (en) | 2014-09-30 | 2019-04-29 | 애플 인크. | Loudspeaker with reduced audio coloration caused by reflections from a surface |
US10524044B2 (en) | 2014-09-30 | 2019-12-31 | Apple Inc. | Airflow exit geometry |
AU2017202861B2 (en) * | 2014-09-30 | 2018-11-08 | Apple Inc. | Loudspeaker with reduced audio coloration caused by reflections from a surface |
JP6520520B2 (en) * | 2015-07-24 | 2019-05-29 | 株式会社Jvcケンウッド | Speaker and headphones |
US10631071B2 (en) | 2016-09-23 | 2020-04-21 | Apple Inc. | Cantilevered foot for electronic device |
JP6816786B2 (en) * | 2019-04-26 | 2021-01-20 | 株式会社Jvcケンウッド | Speakers and headphones |
JP2019118154A (en) * | 2019-04-26 | 2019-07-18 | 株式会社Jvcケンウッド | Speaker and headphones |
CN112188355B (en) * | 2019-07-01 | 2023-03-31 | 杨国安 | Sound post formed by arranging and combining three devices for beautifying sound |
CN118158602B (en) * | 2024-05-09 | 2024-08-02 | 常熟理工学院 | Vehicle-mounted middle-mounted high-pitch unit scatterer |
-
2000
- 2000-03-21 IT IT2000BS000025A patent/IT1314660B1/en active
-
2001
- 2001-03-08 EP EP01830160A patent/EP1137318A2/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
ITBS20000025A1 (en) | 2001-09-21 |
ITBS20000025A0 (en) | 2000-03-21 |
EP1137318A2 (en) | 2001-09-26 |
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