JP7677442B2 - 音響信号出力装置 - Google Patents

音響信号出力装置 Download PDF

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Publication number
JP7677442B2
JP7677442B2 JP2023559216A JP2023559216A JP7677442B2 JP 7677442 B2 JP7677442 B2 JP 7677442B2 JP 2023559216 A JP2023559216 A JP 2023559216A JP 2023559216 A JP2023559216 A JP 2023559216A JP 7677442 B2 JP7677442 B2 JP 7677442B2
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JP
Japan
Prior art keywords
acoustic signal
sound
output device
signal output
housing
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
JP2023559216A
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English (en)
Japanese (ja)
Other versions
JPWO2023084580A5 (https=
JPWO2023084580A1 (https=
Inventor
大将 千葉
達也 加古
和則 小林
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.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
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 Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Publication of JPWO2023084580A1 publication Critical patent/JPWO2023084580A1/ja
Publication of JPWO2023084580A5 publication Critical patent/JPWO2023084580A5/ja
Priority to JP2025072208A priority Critical patent/JP2025106611A/ja
Application granted granted Critical
Publication of JP7677442B2 publication Critical patent/JP7677442B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • 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
    • H04R1/22—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; 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2023559216A 2021-11-09 2021-11-09 音響信号出力装置 Active JP7677442B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025072208A JP2025106611A (ja) 2021-11-09 2025-04-24 音響信号出力装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/041129 WO2023084580A1 (ja) 2021-11-09 2021-11-09 音響信号出力装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025072208A Division JP2025106611A (ja) 2021-11-09 2025-04-24 音響信号出力装置

Publications (3)

Publication Number Publication Date
JPWO2023084580A1 JPWO2023084580A1 (https=) 2023-05-19
JPWO2023084580A5 JPWO2023084580A5 (https=) 2024-07-05
JP7677442B2 true JP7677442B2 (ja) 2025-05-15

Family

ID=86335276

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023559216A Active JP7677442B2 (ja) 2021-11-09 2021-11-09 音響信号出力装置
JP2025072208A Pending JP2025106611A (ja) 2021-11-09 2025-04-24 音響信号出力装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025072208A Pending JP2025106611A (ja) 2021-11-09 2025-04-24 音響信号出力装置

Country Status (5)

Country Link
EP (1) EP4432696A4 (https=)
JP (2) JP7677442B2 (https=)
KR (1) KR102907047B1 (https=)
CN (1) CN118176743A (https=)
WO (1) WO2023084580A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008211642A (ja) 2007-02-27 2008-09-11 Kyushu Institute Of Technology ヘッドホン装置
WO2019017036A1 (ja) 2017-07-21 2019-01-24 ソニー株式会社 音響出力装置
WO2019234940A1 (ja) 2018-06-08 2019-12-12 バブル ラボ カンパニー・リミテッド イヤホン
US20210014602A1 (en) 2019-01-05 2021-01-14 Shenzhen Voxtech Co., Ltd. Loudspeaker apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9838787B1 (en) * 2016-06-06 2017-12-05 Bose Corporation Acoustic device
US9949030B2 (en) * 2016-06-06 2018-04-17 Bose Corporation Acoustic device
US11706552B2 (en) * 2019-09-02 2023-07-18 Bose Corporation Open audio device
AU2020350921B2 (en) * 2019-09-19 2023-05-25 Shenzhen Shokz Co., Ltd. Acoustic output apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008211642A (ja) 2007-02-27 2008-09-11 Kyushu Institute Of Technology ヘッドホン装置
WO2019017036A1 (ja) 2017-07-21 2019-01-24 ソニー株式会社 音響出力装置
WO2019234940A1 (ja) 2018-06-08 2019-12-12 バブル ラボ カンパニー・リミテッド イヤホン
US20210014602A1 (en) 2019-01-05 2021-01-14 Shenzhen Voxtech Co., Ltd. Loudspeaker apparatus

Also Published As

Publication number Publication date
EP4432696A1 (en) 2024-09-18
CN118176743A (zh) 2024-06-11
KR102907047B1 (ko) 2026-01-05
JP2025106611A (ja) 2025-07-15
WO2023084580A1 (ja) 2023-05-19
JPWO2023084580A1 (https=) 2023-05-19
KR20240089238A (ko) 2024-06-20
EP4432696A4 (en) 2025-09-17

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