CN119213788A - 声学透镜和扬声器系统 - Google Patents

声学透镜和扬声器系统 Download PDF

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Publication number
CN119213788A
CN119213788A CN202380038245.0A CN202380038245A CN119213788A CN 119213788 A CN119213788 A CN 119213788A CN 202380038245 A CN202380038245 A CN 202380038245A CN 119213788 A CN119213788 A CN 119213788A
Authority
CN
China
Prior art keywords
sound wave
partition plates
acoustic lens
sound
directivity
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.)
Pending
Application number
CN202380038245.0A
Other languages
English (en)
Chinese (zh)
Inventor
中桥康太
佐伯周二
川村明久
高山敏
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management 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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of CN119213788A publication Critical patent/CN119213788A/zh
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
    • 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
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
CN202380038245.0A 2022-05-11 2023-05-08 声学透镜和扬声器系统 Pending CN119213788A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263340697P 2022-05-11 2022-05-11
US63/340,697 2022-05-11
JP2023073204 2023-04-27
JP2023-073204 2023-04-27
PCT/JP2023/017253 WO2023219053A1 (ja) 2022-05-11 2023-05-08 音響レンズ、及びスピーカシステム

Publications (1)

Publication Number Publication Date
CN119213788A true CN119213788A (zh) 2024-12-27

Family

ID=88730472

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380038245.0A Pending CN119213788A (zh) 2022-05-11 2023-05-08 声学透镜和扬声器系统

Country Status (5)

Country Link
US (1) US20250063297A1 (https=)
EP (1) EP4525479A4 (https=)
JP (1) JPWO2023219053A1 (https=)
CN (1) CN119213788A (https=)
WO (1) WO2023219053A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2848058A (en) * 1954-10-29 1958-08-19 William L Hartsfield Compressional-wave lens
GB2004170B (en) * 1977-08-30 1982-01-27 Secr Defence Acoustic lenses
JPS6373297A (ja) 1986-09-17 1988-04-02 三菱電機株式会社 音響レンズ
JP7300612B2 (ja) * 2019-04-19 2023-06-30 パナソニックＩｐマネジメント株式会社 スピーカユニット、電子機器および移動体装置
JP7186373B2 (ja) * 2019-09-13 2022-12-09 パナソニックＩｐマネジメント株式会社 音響レンズ及びスピーカシステム

Also Published As

Publication number Publication date
US20250063297A1 (en) 2025-02-20
EP4525479A1 (en) 2025-03-19
WO2023219053A1 (ja) 2023-11-16
JPWO2023219053A1 (https=) 2023-11-16
EP4525479A4 (en) 2025-07-30

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