JP7697525B2 - 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
JP7697525B2
JP7697525B2 JP2023559211A JP2023559211A JP7697525B2 JP 7697525 B2 JP7697525 B2 JP 7697525B2 JP 2023559211 A JP2023559211 A JP 2023559211A JP 2023559211 A JP2023559211 A JP 2023559211A JP 7697525 B2 JP7697525 B2 JP 7697525B2
Authority
JP
Japan
Prior art keywords
acoustic signal
sound
housing
signal output
sound hole
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
JP2023559211A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023084575A5 (https=
JPWO2023084575A1 (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 JPWO2023084575A1 publication Critical patent/JPWO2023084575A1/ja
Publication of JPWO2023084575A5 publication Critical patent/JPWO2023084575A5/ja
Application granted granted Critical
Publication of JP7697525B2 publication Critical patent/JP7697525B2/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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • 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 
    • H04R1/28—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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • 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 
    • H04R1/28—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
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
    • 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
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP2023559211A 2021-11-09 2021-11-09 音響信号出力装置 Active JP7697525B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/041124 WO2023084575A1 (ja) 2021-11-09 2021-11-09 音響信号出力装置

Publications (3)

Publication Number Publication Date
JPWO2023084575A1 JPWO2023084575A1 (https=) 2023-05-19
JPWO2023084575A5 JPWO2023084575A5 (https=) 2024-07-12
JP7697525B2 true JP7697525B2 (ja) 2025-06-24

Family

ID=86335255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023559211A Active JP7697525B2 (ja) 2021-11-09 2021-11-09 音響信号出力装置

Country Status (5)

Country Link
EP (1) EP4432695A4 (https=)
JP (1) JP7697525B2 (https=)
KR (2) KR20250172708A (https=)
CN (1) CN118176742A (https=)
WO (1) WO2023084575A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004052050A1 (en) 2002-12-02 2004-06-17 Plantronics, Inc. Personal communication method and apparatus with acoustic stray field cancellation
US20040264727A1 (en) 2001-08-24 2004-12-30 Kim Sung-Il Bass reflex-type headphone
US20210274276A1 (en) 2019-04-30 2021-09-02 Shenzhen Voxtech Co., Ltd. Earphone without covering an ear canal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015080183A (ja) * 2013-10-16 2015-04-23 大串 正彦 ハウリング防止構造を持つイヤホン
US10609465B1 (en) * 2018-10-04 2020-03-31 Bose Corporation Acoustic device
US11706552B2 (en) * 2019-09-02 2023-07-18 Bose Corporation Open audio device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040264727A1 (en) 2001-08-24 2004-12-30 Kim Sung-Il Bass reflex-type headphone
WO2004052050A1 (en) 2002-12-02 2004-06-17 Plantronics, Inc. Personal communication method and apparatus with acoustic stray field cancellation
US20210274276A1 (en) 2019-04-30 2021-09-02 Shenzhen Voxtech Co., Ltd. Earphone without covering an ear canal

Also Published As

Publication number Publication date
KR20250172708A (ko) 2025-12-09
JPWO2023084575A1 (https=) 2023-05-19
KR20240074817A (ko) 2024-05-28
WO2023084575A1 (ja) 2023-05-19
EP4432695A4 (en) 2025-09-17
EP4432695A1 (en) 2024-09-18
KR102890630B1 (ko) 2025-11-25
CN118176742A (zh) 2024-06-11

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