ATE424021T1 - Akustischer wellenleiter und elektroakustisches system mit diesem wellenleiter - Google Patents

Akustischer wellenleiter und elektroakustisches system mit diesem wellenleiter

Info

Publication number
ATE424021T1
ATE424021T1 AT07119531T AT07119531T ATE424021T1 AT E424021 T1 ATE424021 T1 AT E424021T1 AT 07119531 T AT07119531 T AT 07119531T AT 07119531 T AT07119531 T AT 07119531T AT E424021 T1 ATE424021 T1 AT E424021T1
Authority
AT
Austria
Prior art keywords
acoustic
waveguide
conduit
radiation
opening
Prior art date
Application number
AT07119531T
Other languages
English (en)
Inventor
Roberto Magalotti
Original Assignee
B & C Speakers S P A
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 B & C Speakers S P A filed Critical B & C Speakers S P A
Application granted granted Critical
Publication of ATE424021T1 publication Critical patent/ATE424021T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
    • 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
    • H04R1/32—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/34—Directing or guiding sound by means of a phase plug

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Waveguide Aerials (AREA)
  • Optical Integrated Circuits (AREA)
  • Burglar Alarm Systems (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
AT07119531T 2006-11-30 2007-10-29 Akustischer wellenleiter und elektroakustisches system mit diesem wellenleiter ATE424021T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000637A ITRM20060637A1 (it) 2006-11-30 2006-11-30 Guida d'onda acustica e sistema elettroacustico includente tale guida d'onda

Publications (1)

Publication Number Publication Date
ATE424021T1 true ATE424021T1 (de) 2009-03-15

Family

ID=39227111

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07119531T ATE424021T1 (de) 2006-11-30 2007-10-29 Akustischer wellenleiter und elektroakustisches system mit diesem wellenleiter

Country Status (8)

Country Link
US (1) US20080128199A1 (de)
EP (1) EP1927978B1 (de)
CN (1) CN101192403A (de)
AT (1) ATE424021T1 (de)
CA (1) CA2610944A1 (de)
DE (1) DE602007000597D1 (de)
ES (1) ES2323156T3 (de)
IT (1) ITRM20060637A1 (de)

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US9392358B2 (en) * 2014-10-28 2016-07-12 Robert Bosch Gmbh Waveguide for shaping sound waves
CN104811855A (zh) * 2015-04-27 2015-07-29 山东金贝壳音响有限公司 一种线阵列音响高音号角
EP3292552B1 (de) * 2015-05-07 2022-02-02 Acoustic 3d Holdings Limited Verteiler zur akustischen diffusion
US9581715B1 (en) 2016-02-10 2017-02-28 Baker Hughes Incorporated Acoustic hyperlens for thru-casing ultrasonic sensor
US10054707B2 (en) 2016-04-15 2018-08-21 Baker Hughes, A Ge Company, Llc Bipolar acoustic hyperlens for dual-string thru-casing ultrasonic sensors
US9952343B2 (en) * 2016-07-20 2018-04-24 Baker Hughes, A Ge Company, Llc Rhodonea cell acoustic hyperlens for thru-casing ultrasonic sensors
IT201600123575A1 (it) * 2016-12-06 2018-06-06 B&C Speakers S P A Trasduttore acustico
GB2588142B (en) * 2019-10-09 2023-05-31 Gp Acoustics International Ltd Acoustic waveguides
CA3175121A1 (en) * 2020-03-25 2021-09-30 Qsc, Llc Acoustic waveguide
US12272347B2 (en) * 2020-10-25 2025-04-08 Moshe Benezra Helical acoustic lens
EP4324220B1 (de) 2021-04-14 2026-03-04 Dolby Laboratories Licensing Corporation Wellenleiter-lautsprecher mit schmaler apertur zur verwendung mit flachbildschirmvorrichtungen
KR102835038B1 (ko) * 2023-11-08 2025-07-16 한국과학기술원 초음파 증폭기 및 이를 포함하는 전자 장치
US20260101138A1 (en) * 2024-09-30 2026-04-09 Harman Professional, Inc. Dual compression driver with rectangular exit

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Also Published As

Publication number Publication date
EP1927978B1 (de) 2009-02-25
US20080128199A1 (en) 2008-06-05
CA2610944A1 (en) 2008-05-30
CN101192403A (zh) 2008-06-04
EP1927978A1 (de) 2008-06-04
DE602007000597D1 (de) 2009-04-09
ITRM20060637A1 (it) 2008-06-01
ES2323156T3 (es) 2009-07-07

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties