EP3226237A3 - Ultrasound exposure device - Google Patents

Ultrasound exposure device Download PDF

Info

Publication number
EP3226237A3
EP3226237A3 EP17160914.2A EP17160914A EP3226237A3 EP 3226237 A3 EP3226237 A3 EP 3226237A3 EP 17160914 A EP17160914 A EP 17160914A EP 3226237 A3 EP3226237 A3 EP 3226237A3
Authority
EP
European Patent Office
Prior art keywords
sound
well
emission direction
opening
main emission
Prior art date
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.)
Granted
Application number
EP17160914.2A
Other languages
German (de)
French (fr)
Other versions
EP3226237A2 (en
EP3226237B1 (en
Inventor
Heinz Pfannenschmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ic audio GmbH
Original Assignee
Ic audio GmbH
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 Ic audio GmbH filed Critical Ic audio GmbH
Priority to PL17160914T priority Critical patent/PL3226237T3/en
Publication of EP3226237A2 publication Critical patent/EP3226237A2/en
Publication of EP3226237A3 publication Critical patent/EP3226237A3/en
Application granted granted Critical
Publication of EP3226237B1 publication Critical patent/EP3226237B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Die vorliegende Erfindung betrifft eine Beschallungseinrichtung mit einem Schallgeber, welcher eine Hauptabstrahlrichtung aufweist, und mit einem Horn in Form eines sich von einer Schalleintrittsöffnung aus zu einer Schallaustrittsöffnung trichterförmig erweiternden Hohlkörpers, der zumindest eine erste sich zwischen den Öffnungen erstreckende, eben Seitenfläche aufweist, wobei der Schallgeber an oder nahe der Schalleintrittsöffnung angeordnet ist. Um Grenzflächenreflektionen zumindest zu reduzieren und um eine Beschallungseinrichtung mit einer gut ausgerichteten und wohldefinierten Schallwellenfront mit hohem Schalldruckpegel und einem ausgeglichen Frequenzgang bereitzustellen, wird erfindungsgemäß vorgeschlagen, dass der Schallgeber unmittelbar neben der (ersten) ebenen Seitenfläche oder einer gedachten Verlängerung derselben in der Weise angeordnet ist, dass seine Hauptabstrahlrichtung parallel zu der (ersten) ebenen Seitenfläche von der Schalleintritts- zu der Schallaustrittsöffnung hin verläuft.

Figure imgaf001
Figure imgaf002
Figure imgaf003
The present invention relates to a sound system having a sound generator which has a main emission direction, and a horn in the form of a hollow body which widens in a funnel shape from a sound inlet opening to a sound outlet opening and which has at least a first planar side surface extending between the openings Sounder is arranged at or near the sound inlet opening. To at least reduce surface reflections and to provide a sound system with a well-aligned and well-defined sound wave front with a high sound pressure level and a balanced frequency response, the invention proposes that the sound generator is arranged immediately adjacent to the (first) flat side surface or an imaginary extension thereof in the manner in that its main emission direction runs parallel to the (first) planar side surface from the sound inlet to the sound exit opening.
Figure imgaf001
Figure imgaf002
Figure imgaf003
EP17160914.2A 2016-04-01 2017-03-14 Sound producing device Active EP3226237B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17160914T PL3226237T3 (en) 2016-04-01 2017-03-14 Sound producing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016106045.3A DE102016106045A1 (en) 2016-04-01 2016-04-01 PA facility

Publications (3)

Publication Number Publication Date
EP3226237A2 EP3226237A2 (en) 2017-10-04
EP3226237A3 true EP3226237A3 (en) 2017-12-27
EP3226237B1 EP3226237B1 (en) 2021-01-13

Family

ID=58387630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17160914.2A Active EP3226237B1 (en) 2016-04-01 2017-03-14 Sound producing device

Country Status (4)

Country Link
EP (1) EP3226237B1 (en)
DE (1) DE102016106045A1 (en)
ES (1) ES2846865T3 (en)
PL (1) PL3226237T3 (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US718073A (en) * 1902-09-24 1903-01-13 Walter Barnes Support for horns for talking-machines.
US898520A (en) * 1907-08-27 1908-09-15 Samuel D Solomon Megaphone-holder for phonograph-cabinets.
US1532811A (en) * 1924-08-29 1925-04-07 Graham Edward Alfred Cabinet for use with sound-reproducing devices
US4171678A (en) * 1977-07-22 1979-10-23 Midland-Ross Corporation Air horn
JPS5890794U (en) * 1981-12-15 1983-06-20 日本電音株式会社 straight horn speaker
JPH02211798A (en) * 1989-02-10 1990-08-23 J F B:Kk Horn speaker for woofer
JPH07322387A (en) * 1994-05-24 1995-12-08 Sony Corp Audio equipment
DE10338539A1 (en) * 2003-08-19 2005-03-31 Ebe Elektro-Bau-Elemente Gmbh Acoustic signal generator producing warning tone that is positioned by road lanes and is coupled to control computer
US20050127783A1 (en) * 2002-02-14 2005-06-16 De Vries Gerard H.J. Acoustic transducer
CN203596900U (en) * 2013-11-26 2014-05-14 天津中环真美声学技术有限公司 Gain guiding horn for loudspeaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834863Y2 (en) * 1979-07-11 1983-08-05 松下電器産業株式会社 horn speaker
US6516741B1 (en) * 2000-09-12 2003-02-11 Hadley Products Leak proof apparatus for mounting components to panels
NL2011074C2 (en) * 2013-07-01 2015-01-05 Duran Audio B V Sound speaker grill arrangement and sound speaker comprising such grill arrangement.

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US718073A (en) * 1902-09-24 1903-01-13 Walter Barnes Support for horns for talking-machines.
US898520A (en) * 1907-08-27 1908-09-15 Samuel D Solomon Megaphone-holder for phonograph-cabinets.
US1532811A (en) * 1924-08-29 1925-04-07 Graham Edward Alfred Cabinet for use with sound-reproducing devices
US4171678A (en) * 1977-07-22 1979-10-23 Midland-Ross Corporation Air horn
JPS5890794U (en) * 1981-12-15 1983-06-20 日本電音株式会社 straight horn speaker
JPH02211798A (en) * 1989-02-10 1990-08-23 J F B:Kk Horn speaker for woofer
JPH07322387A (en) * 1994-05-24 1995-12-08 Sony Corp Audio equipment
US20050127783A1 (en) * 2002-02-14 2005-06-16 De Vries Gerard H.J. Acoustic transducer
DE10338539A1 (en) * 2003-08-19 2005-03-31 Ebe Elektro-Bau-Elemente Gmbh Acoustic signal generator producing warning tone that is positioned by road lanes and is coupled to control computer
CN203596900U (en) * 2013-11-26 2014-05-14 天津中环真美声学技术有限公司 Gain guiding horn for loudspeaker

Also Published As

Publication number Publication date
EP3226237A2 (en) 2017-10-04
PL3226237T3 (en) 2021-08-16
EP3226237B1 (en) 2021-01-13
DE102016106045A1 (en) 2017-10-05
ES2846865T3 (en) 2021-07-29

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