CN118679758A - 电声换能器 - Google Patents

电声换能器 Download PDF

Info

Publication number
CN118679758A
CN118679758A CN202380021139.1A CN202380021139A CN118679758A CN 118679758 A CN118679758 A CN 118679758A CN 202380021139 A CN202380021139 A CN 202380021139A CN 118679758 A CN118679758 A CN 118679758A
Authority
CN
China
Prior art keywords
stacked
magnetic metal
permanent magnet
metal plates
pole piece
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
CN202380021139.1A
Other languages
English (en)
Chinese (zh)
Inventor
小泽博道
福岛盐饱乃野海
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.)
Audio Technica KK
Original Assignee
Audio Technica KK
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 Audio Technica KK filed Critical Audio Technica KK
Publication of CN118679758A publication Critical patent/CN118679758A/zh
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/021—Reduction of eddy currents in the magnetic circuit of electrodynamic loudspeaker transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CN202380021139.1A 2022-04-28 2023-01-11 电声换能器 Pending CN118679758A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-074284 2022-04-28
JP2022074284 2022-04-28
PCT/JP2023/000375 WO2023210065A1 (ja) 2022-04-28 2023-01-11 電気音響変換器

Publications (1)

Publication Number Publication Date
CN118679758A true CN118679758A (zh) 2024-09-20

Family

ID=88518324

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380021139.1A Pending CN118679758A (zh) 2022-04-28 2023-01-11 电声换能器

Country Status (5)

Country Link
US (1) US20240406637A1 (https=)
EP (1) EP4472237A4 (https=)
JP (1) JPWO2023210065A1 (https=)
CN (1) CN118679758A (https=)
WO (1) WO2023210065A1 (https=)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234212B2 (https=) * 1971-12-17 1977-09-02
JPH02268600A (ja) * 1989-04-11 1990-11-02 Matsushita Electric Ind Co Ltd 低漏洩磁束型スピーカ
US9277325B2 (en) * 2008-02-21 2016-03-01 Fan Zhang Inner magnetic transducer with multiple magnetic gaps and multiple coils and preparation method thereof
JP2010010791A (ja) * 2008-06-24 2010-01-14 Pioneer Electronic Corp スピーカ用磁気回路、スピーカ装置、およびスピーカ用磁気回路の製造方法
US8781150B2 (en) * 2011-02-14 2014-07-15 Robert Bosch Gmbh Multiple magnetic air gap motor
WO2014036567A1 (en) * 2012-09-03 2014-03-06 Linear Labs, Inc. An improved transducer and method of operation
GB2527533B (en) * 2014-06-24 2016-07-13 Amina Tech Ltd Moving coil drive unit and audio drivers incorporating the same
JP2017092704A (ja) 2015-11-10 2017-05-25 株式会社オーディオテクニカ ヘッドホンユニット

Also Published As

Publication number Publication date
US20240406637A1 (en) 2024-12-05
JPWO2023210065A1 (https=) 2023-11-02
WO2023210065A1 (ja) 2023-11-02
EP4472237A4 (en) 2025-04-30
EP4472237A1 (en) 2024-12-04

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