JP7743494B2 - スピーカ用磁気回路及びスピーカ用ドライバ - Google Patents

スピーカ用磁気回路及びスピーカ用ドライバ

Info

Publication number
JP7743494B2
JP7743494B2 JP2023502258A JP2023502258A JP7743494B2 JP 7743494 B2 JP7743494 B2 JP 7743494B2 JP 2023502258 A JP2023502258 A JP 2023502258A JP 2023502258 A JP2023502258 A JP 2023502258A JP 7743494 B2 JP7743494 B2 JP 7743494B2
Authority
JP
Japan
Prior art keywords
yoke
magnet
volume adjustment
adjustment member
groove
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
JP2023502258A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022181316A1 (https=
Inventor
裕介 牟田
海蛟 韓
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.)
Foster Electric Co Ltd
Original Assignee
Foster Electric 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 Foster Electric Co Ltd filed Critical Foster Electric Co Ltd
Publication of JPWO2022181316A1 publication Critical patent/JPWO2022181316A1/ja
Application granted granted Critical
Publication of JP7743494B2 publication Critical patent/JP7743494B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • 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
    • 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP2023502258A 2021-02-26 2022-02-08 スピーカ用磁気回路及びスピーカ用ドライバ Active JP7743494B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021030902 2021-02-26
JP2021030902 2021-02-26
PCT/JP2022/004953 WO2022181316A1 (ja) 2021-02-26 2022-02-08 スピーカ用磁気回路及びスピーカ用ドライバ

Publications (2)

Publication Number Publication Date
JPWO2022181316A1 JPWO2022181316A1 (https=) 2022-09-01
JP7743494B2 true JP7743494B2 (ja) 2025-09-24

Family

ID=83048296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023502258A Active JP7743494B2 (ja) 2021-02-26 2022-02-08 スピーカ用磁気回路及びスピーカ用ドライバ

Country Status (4)

Country Link
US (1) US12432500B2 (https=)
JP (1) JP7743494B2 (https=)
CN (1) CN116888980A (https=)
WO (1) WO2022181316A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202314235D0 (en) * 2023-09-18 2023-11-01 Pss Belgium Nv Method for use in forming a magnet unit for a loudspeaker

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006217452A (ja) 2005-02-07 2006-08-17 Matsushita Electric Ind Co Ltd スピーカ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS571520Y2 (https=) * 1971-07-20 1982-01-11
JPS5353452Y2 (https=) * 1973-08-07 1978-12-21
JPS57204795U (https=) * 1981-06-23 1982-12-27
JPS58152089U (ja) * 1982-04-02 1983-10-12 パイオニア株式会社 スピ−カ用振動系の制動構造
JP2005203974A (ja) * 2004-01-14 2005-07-28 Pioneer Electronic Corp ツボ型ヨーク、スピーカ装置及びツボ型ヨークの製造方法
US20060188120A1 (en) * 2005-02-23 2006-08-24 Michael Fisher Multiple active coil speaker
JP4896255B2 (ja) 2010-08-06 2012-03-14 フォスター電機株式会社 マイクロスピーカ用磁気回路およびそれを用いたマイクロスピーカ
WO2019053714A1 (en) * 2017-09-17 2019-03-21 Mordechai Oren DUAL PROFILE DRIVE WITH LOW PROFILE
JP7202249B2 (ja) 2019-04-24 2023-01-11 フォスター電機株式会社 電気音響変換器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006217452A (ja) 2005-02-07 2006-08-17 Matsushita Electric Ind Co Ltd スピーカ

Also Published As

Publication number Publication date
US20240056740A1 (en) 2024-02-15
CN116888980A (zh) 2023-10-13
JPWO2022181316A1 (https=) 2022-09-01
US12432500B2 (en) 2025-09-30
WO2022181316A1 (ja) 2022-09-01

Similar Documents

Publication Publication Date Title
EP2262281B1 (en) Speaker
US10805704B2 (en) Earphone
US8520885B2 (en) Composite speaker
JP4386327B2 (ja) スピーカ装置
JP2008211733A (ja) スピーカ
KR101804804B1 (ko) 박형 스피커
US20180098155A1 (en) Electroacoustic transducer
JP2014090239A (ja) スピーカ装置
US20160219371A1 (en) Loudspeaker
JP2003250194A (ja) 薄型スピーカおよびその製造方法
WO2020218042A1 (ja) 電気音響変換器
JP7743494B2 (ja) スピーカ用磁気回路及びスピーカ用ドライバ
JP4299263B2 (ja) 振動アクチュエータ
EP1643799B1 (en) Speaker and manufacturing method of the same
KR102021181B1 (ko) 전기 음향 변환 장치
JP2009159009A (ja) スピーカ
JP2013145994A (ja) 動電型スピーカーおよびその製造方法
JP2012044575A (ja) 動電型スピーカー、および、その製造治具、ならびに、その製造方法
WO2013190811A1 (ja) スピーカ装置及びスピーカ搭載装置
JP2022145259A (ja) スピーカー装置
JP2022150705A (ja) スピーカー装置
JP4366203B2 (ja) スピーカ
JP6792979B2 (ja) 電気音響変換装置
JP7291888B2 (ja) スピーカ装置の製造方法、およびスピーカ装置
JP7281666B2 (ja) スピーカ装置

Legal Events

Date Code Title Description
AA64 Notification of invalidation of claim of internal priority (with term)

Free format text: JAPANESE INTERMEDIATE CODE: A241764

Effective date: 20231114

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231120

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240912

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20250624

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250819

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20250902

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250910

R150 Certificate of patent or registration of utility model

Ref document number: 7743494

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150