EP3611938A4 - Speaker element and array speaker - Google Patents
Speaker element and array speaker Download PDFInfo
- 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
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140153750A1 (en) * | 2011-09-22 | 2014-06-05 | Panasonic Corporation | Directional loudspeaker |
Family Cites Families (4)
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 |
-
2017
- 2017-04-13 JP JP2017079686A patent/JP6790981B2/en active Active
-
2018
- 2018-04-03 WO PCT/JP2018/014286 patent/WO2018190200A1/en unknown
- 2018-04-03 EP EP18785140.7A patent/EP3611938B1/en active Active
Patent Citations (1)
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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