IT1314660B1 - IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITY - Google Patents

IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITY

Info

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
Application number
IT2000BS000025A
Other languages
Italian (it)
Inventor
Guido Noselli
Original Assignee
Outline Snc Di Noselli & C
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Outline Snc Di Noselli & C filed Critical Outline Snc Di Noselli & C
Priority to IT2000BS000025A priority Critical patent/IT1314660B1/en
Publication of ITBS20000025A0 publication Critical patent/ITBS20000025A0/en
Priority to EP01830160A priority patent/EP1137318A2/en
Publication of ITBS20000025A1 publication Critical patent/ITBS20000025A1/en
Application granted granted Critical
Publication of IT1314660B1 publication Critical patent/IT1314660B1/en

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)
IT2000BS000025A 2000-03-21 2000-03-21 IMPROVED BROADBAND DIFFUSER WITH HIGH EFFICIENCY AND HIGH DIRECTIVITY IT1314660B1 (en)

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 (10)

* Cited by examiner, † Cited by third party
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
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
US10257608B2 (en) 2016-09-23 2019-04-09 Apple Inc. Subwoofer with multi-lobe magnet
US10631071B2 (en) 2016-09-23 2020-04-21 Apple Inc. Cantilevered foot for electronic device
CN112188355B (en) * 2019-07-01 2023-03-31 杨国安 Sound post formed by arranging and combining three devices for beautifying sound

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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