EP3611938A4 - Speaker element and array speaker - Google Patents

Speaker element and array speaker Download PDF

Info

Publication number
EP3611938A4
EP3611938A4 EP18785140.7A EP18785140A EP3611938A4 EP 3611938 A4 EP3611938 A4 EP 3611938A4 EP 18785140 A EP18785140 A EP 18785140A EP 3611938 A4 EP3611938 A4 EP 3611938A4
Authority
EP
European Patent Office
Prior art keywords
speaker
array
array speaker
speaker element
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
EP18785140.7A
Other languages
German (de)
French (fr)
Other versions
EP3611938A1 (en
EP3611938B1 (en
Inventor
Kenji Ogata
Yoshifumi Ikeda
Shogo Kurogi
Yasukazu TAKANO
Yoshiyuki Watanabe
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.)
I Pex Inc
Original Assignee
Dai Ichi Seiko Co Ltd
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 Dai Ichi Seiko Co Ltd filed Critical Dai Ichi Seiko Co Ltd
Publication of EP3611938A1 publication Critical patent/EP3611938A1/en
Publication of EP3611938A4 publication Critical patent/EP3611938A4/en
Application granted granted Critical
Publication of EP3611938B1 publication Critical patent/EP3611938B1/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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
EP18785140.7A 2017-04-13 2018-04-03 Speaker element and array speaker Active EP3611938B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017079686A JP6790981B2 (en) 2017-04-13 2017-04-13 Speaker element and array speaker
PCT/JP2018/014286 WO2018190200A1 (en) 2017-04-13 2018-04-03 Speaker element and array speaker

Publications (3)

Publication Number Publication Date
EP3611938A1 EP3611938A1 (en) 2020-02-19
EP3611938A4 true EP3611938A4 (en) 2020-04-29
EP3611938B1 EP3611938B1 (en) 2022-05-04

Family

ID=63792603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18785140.7A Active EP3611938B1 (en) 2017-04-13 2018-04-03 Speaker element and array speaker

Country Status (3)

Country Link
EP (1) EP3611938B1 (en)
JP (1) JP6790981B2 (en)
WO (1) WO2018190200A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022133757A (en) 2021-03-02 2022-09-14 ローム株式会社 Control system and control method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140153750A1 (en) * 2011-09-22 2014-06-05 Panasonic Corporation Directional loudspeaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3123435B2 (en) 1996-07-29 2001-01-09 株式会社村田製作所 Piezoelectric acoustic transducer
JP5525351B2 (en) * 2010-06-29 2014-06-18 太平洋セメント株式会社 Piezoelectric sounding body
JP2014086941A (en) * 2012-10-25 2014-05-12 Nec Casio Mobile Communications Ltd Electro-acoustic transducer and electronic apparatus
JP2017079686A (en) 2015-10-30 2017-05-18 東洋ゴム工業株式会社 Method for producing artificial soil particles

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140153750A1 (en) * 2011-09-22 2014-06-05 Panasonic Corporation Directional loudspeaker

Also Published As

Publication number Publication date
JP6790981B2 (en) 2020-11-25
EP3611938A1 (en) 2020-02-19
EP3611938B1 (en) 2022-05-04
WO2018190200A1 (en) 2018-10-18
JP2018182533A (en) 2018-11-15

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