WO2009028132A1 - スピーカ - Google Patents

スピーカ Download PDF

Info

Publication number
WO2009028132A1
WO2009028132A1 PCT/JP2008/001958 JP2008001958W WO2009028132A1 WO 2009028132 A1 WO2009028132 A1 WO 2009028132A1 JP 2008001958 W JP2008001958 W JP 2008001958W WO 2009028132 A1 WO2009028132 A1 WO 2009028132A1
Authority
WO
WIPO (PCT)
Prior art keywords
voice coil
cylinder part
central axis
frame
magnetic circuit
Prior art date
Application number
PCT/JP2008/001958
Other languages
English (en)
French (fr)
Inventor
Kiyoshi Yamagishi
Original Assignee
Panasonic Corporation
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 Corporation filed Critical Panasonic Corporation
Priority to CN200880104224A priority Critical patent/CN101785324A/zh
Priority to US12/673,837 priority patent/US8363879B2/en
Publication of WO2009028132A1 publication Critical patent/WO2009028132A1/ja

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

　本スピーカは、磁気回路に結合されたフレームと、フレームの外周部に結合されたコーン振動板と、コーン振動板に結合されるとともにその一部が磁気回路の磁気ギャップに配置されたボイスコイルと、一端側がボイスコイルに結合され他端側の径が一端側がボイスコイルに結合された結合部の径より大きい円筒部と、円筒部の上端を覆うドーム部とを含み、円筒部の中心軸がボイスコイルの中心軸に対して５°以上傾斜する構成である。
PCT/JP2008/001958 2007-08-29 2008-07-23 スピーカ WO2009028132A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200880104224A CN101785324A (zh) 2007-08-29 2008-07-23 扬声器
US12/673,837 US8363879B2 (en) 2007-08-29 2008-07-23 Speaker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007222403A JP4888282B2 (ja) 2007-08-29 2007-08-29 スピーカ
JP2007-222403 2007-08-29

Publications (1)

Publication Number Publication Date
WO2009028132A1 true WO2009028132A1 (ja) 2009-03-05

Family

ID=40386875

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001958 WO2009028132A1 (ja) 2007-08-29 2008-07-23 スピーカ

Country Status (4)

Country Link
US (1) US8363879B2 (ja)
JP (1) JP4888282B2 (ja)
CN (1) CN101785324A (ja)
WO (1) WO2009028132A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2011013223A1 (ja) 2009-07-29 2013-01-07 パイオニア株式会社 スピーカ装置
CN102172045A (zh) 2009-12-25 2011-08-31 日本先锋公司 扬声器用振动体、扬声器装置
WO2014027793A1 (ko) * 2012-08-14 2014-02-20 주식회사 이엠텍 음압 조절 기능을 지닌 음향변환장치
CN108886657A (zh) * 2016-04-20 2018-11-23 索尼公司 扬声器单元和声学装置
CN110166912B (zh) * 2019-07-03 2021-05-14 苏州井利电子股份有限公司 扬声器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459827U (ja) * 1977-10-05 1979-04-25
EP1771035A2 (en) * 2005-09-28 2007-04-04 Dls Svenska Ab Loudspeaker

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459827A (en) 1977-10-20 1979-05-14 Matsushita Electric Ind Co Ltd Reproducer of color video signal
US4554414A (en) * 1983-04-28 1985-11-19 Harman International Industries Incorporated Multi-driver loudspeaker
US4590332A (en) * 1983-05-23 1986-05-20 Pascal Delbuck Phase coherent low frequency speaker
JPH0727680B2 (ja) 1986-08-20 1995-03-29 ソニー株式会社 モ−タ制御回路
US5629501A (en) * 1994-06-23 1997-05-13 Fenton; Robert Composite speaker system having a directional adjustable transducer
US5512714A (en) * 1994-06-23 1996-04-30 Fenton; Robert Composite speaker system having a directional adjustable tweeter
GB2380091B (en) * 2001-09-21 2005-03-30 B & W Loudspeakers Loudspeaker system
CN1647579A (zh) * 2002-03-05 2005-07-27 音响制品国际公司 带有成形声场的扬声器
US20050185816A1 (en) * 2002-10-16 2005-08-25 Roark Richard S. Loudspeaker driver having a removable diaphragm assembly, parts kit and method for rebuilding a loudspeaker driver in the field
GB2403091B (en) * 2003-06-18 2006-08-09 B & W Loudspeakers Diaphragms for loudspeaker drive units

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5459827U (ja) * 1977-10-05 1979-04-25
EP1771035A2 (en) * 2005-09-28 2007-04-04 Dls Svenska Ab Loudspeaker

Also Published As

Publication number Publication date
US8363879B2 (en) 2013-01-29
JP2009055524A (ja) 2009-03-12
US20110019864A1 (en) 2011-01-27
CN101785324A (zh) 2010-07-21
JP4888282B2 (ja) 2012-02-29

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