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EP3820159C0 - SPEAKER - Google Patents

SPEAKER

Info

Publication number
EP3820159C0
EP3820159C0 EP20204192.7A EP20204192A EP3820159C0 EP 3820159 C0 EP3820159 C0 EP 3820159C0 EP 20204192 A EP20204192 A EP 20204192A EP 3820159 C0 EP3820159 C0 EP 3820159C0
Authority
EP
European Patent Office
Prior art keywords
speaker
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.)
Active
Application number
EP20204192.7A
Other languages
German (de)
French (fr)
Other versions
EP3820159A1 (en
EP3820159B1 (en
Inventor
Matteo Perrini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3820159A1 publication Critical patent/EP3820159A1/en
Application granted granted Critical
Publication of EP3820159C0 publication Critical patent/EP3820159C0/en
Publication of EP3820159B1 publication Critical patent/EP3820159B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/22—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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • H04R1/22—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
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups

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)
EP20204192.7A 2019-11-08 2020-10-27 Acoustic speaker Active EP3820159B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000020664A IT201900020664A1 (en) 2019-11-08 2019-11-08 Acoustic diffuser.

Publications (3)

Publication Number Publication Date
EP3820159A1 EP3820159A1 (en) 2021-05-12
EP3820159C0 true EP3820159C0 (en) 2023-06-21
EP3820159B1 EP3820159B1 (en) 2023-06-21

Family

ID=69811729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20204192.7A Active EP3820159B1 (en) 2019-11-08 2020-10-27 Acoustic speaker

Country Status (2)

Country Link
EP (1) EP3820159B1 (en)
IT (1) IT201900020664A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113852901B (en) * 2021-08-27 2023-11-07 潍坊歌尔丹拿电子科技有限公司 Test fixture and test device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1303602A (en) * 1971-03-12 1973-01-17
US5266751A (en) * 1991-06-25 1993-11-30 Yugen Kaisha Taguchi Seisakucho Cluster of loudspeaker cabinets having adjustable splay angle
US20100177921A1 (en) * 2009-01-14 2010-07-15 Richard Bos Response speaker system
JP5417352B2 (en) * 2011-01-27 2014-02-12 株式会社東芝 Sound field control apparatus and method
US8967323B1 (en) * 2012-12-27 2015-03-03 James Robert Grenier Multi-directional foldback and front of house speaker enclosure

Also Published As

Publication number Publication date
IT201900020664A1 (en) 2021-05-08
EP3820159A1 (en) 2021-05-12
EP3820159B1 (en) 2023-06-21

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