TWI424753B - 電磁轉換器 - Google Patents

電磁轉換器 Download PDF

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Publication number
TWI424753B
TWI424753B TW098117634A TW98117634A TWI424753B TW I424753 B TWI424753 B TW I424753B TW 098117634 A TW098117634 A TW 098117634A TW 98117634 A TW98117634 A TW 98117634A TW I424753 B TWI424753 B TW I424753B
Authority
TW
Taiwan
Prior art keywords
frame
permanent magnets
pattern
electromagnetic converter
concavo
Prior art date
Application number
TW098117634A
Other languages
English (en)
Chinese (zh)
Other versions
TW201018264A (en
Inventor
Shunji Yoshida
Original Assignee
Mitsubishi Electric Eng
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 Mitsubishi Electric Eng filed Critical Mitsubishi Electric Eng
Publication of TW201018264A publication Critical patent/TW201018264A/zh
Application granted granted Critical
Publication of TWI424753B publication Critical patent/TWI424753B/zh

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
    • 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; DEAF-AID SETS; 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
    • H04R2209/041—Voice coil arrangements comprising more than one voice coil unit on the same bobbin
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
TW098117634A 2008-10-17 2009-05-27 電磁轉換器 TWI424753B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/002955 WO2010044128A1 (ja) 2008-10-17 2008-10-17 電磁変換器

Publications (2)

Publication Number Publication Date
TW201018264A TW201018264A (en) 2010-05-01
TWI424753B true TWI424753B (zh) 2014-01-21

Family

ID=42106306

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098117634A TWI424753B (zh) 2008-10-17 2009-05-27 電磁轉換器

Country Status (5)

Country Link
JP (1) JP4553983B2 (ja)
KR (1) KR101058287B1 (ja)
CN (1) CN102067628A (ja)
TW (1) TWI424753B (ja)
WO (1) WO2010044128A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103474198B (zh) * 2013-08-09 2016-02-03 美特科技(苏州)有限公司 一种外磁式双磁扬声器主、副磁的充磁方法
CN103731775B (zh) * 2013-12-20 2017-01-11 苏州恒听电子有限公司 一种差额加磁机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211898A (en) * 1977-07-11 1980-07-08 Matsushita Electric Industrial Co., Ltd. Headphone with two resonant peaks for simulating loudspeaker reproduction
GB2123651A (en) * 1982-06-29 1984-02-01 Stanley Kelly Transducers
US5021613A (en) * 1985-09-23 1991-06-04 Gold Ribbon Concepts, Inc. Ribbon loudspeaker
TW306118B (en) * 1996-04-18 1997-05-21 Acmewise Entpr Co Ltd Symmetrical drive integrated speaker
US6868166B1 (en) * 1998-06-10 2005-03-15 Xiafu Zhang Chord-like vibration loudspeaker

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5094917A (ja) * 1973-12-22 1975-07-29
JPS5094917U (ja) 1973-12-26 1975-08-08
JPS5241521A (en) * 1975-09-29 1977-03-31 Toshiba Corp Electroacoustic converter
JPH01153795U (ja) * 1988-04-14 1989-10-23
EP2234409A3 (en) * 2002-02-28 2010-10-06 The Furukawa Electric Co., Ltd. Planar speaker
JP3841222B1 (ja) * 2005-01-28 2006-11-01 松下電器産業株式会社 動電型電気音響変換器および電子機器
EP1843630B1 (en) * 2005-01-28 2012-02-22 Panasonic Corporation Electrodynamic electroacoustic transducer and electronic device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211898A (en) * 1977-07-11 1980-07-08 Matsushita Electric Industrial Co., Ltd. Headphone with two resonant peaks for simulating loudspeaker reproduction
GB2123651A (en) * 1982-06-29 1984-02-01 Stanley Kelly Transducers
US5021613A (en) * 1985-09-23 1991-06-04 Gold Ribbon Concepts, Inc. Ribbon loudspeaker
TW306118B (en) * 1996-04-18 1997-05-21 Acmewise Entpr Co Ltd Symmetrical drive integrated speaker
US6868166B1 (en) * 1998-06-10 2005-03-15 Xiafu Zhang Chord-like vibration loudspeaker

Also Published As

Publication number Publication date
KR20110009715A (ko) 2011-01-28
CN102067628A (zh) 2011-05-18
KR101058287B1 (ko) 2011-08-22
JPWO2010044128A1 (ja) 2012-03-08
TW201018264A (en) 2010-05-01
JP4553983B2 (ja) 2010-09-29
WO2010044128A1 (ja) 2010-04-22

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees