JP2014090239A5 - - Google Patents

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Publication number
JP2014090239A5
JP2014090239A5 JP2012237748A JP2012237748A JP2014090239A5 JP 2014090239 A5 JP2014090239 A5 JP 2014090239A5 JP 2012237748 A JP2012237748 A JP 2012237748A JP 2012237748 A JP2012237748 A JP 2012237748A JP 2014090239 A5 JP2014090239 A5 JP 2014090239A5
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JP
Japan
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JP2012237748A
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JP2014090239A (ja
JP5700704B2 (ja
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Priority to JP2012237748A priority Critical patent/JP5700704B2/ja
Priority claimed from JP2012237748A external-priority patent/JP5700704B2/ja
Priority to US14/057,543 priority patent/US9258649B2/en
Priority to CN201310524208.9A priority patent/CN103796141A/zh
Publication of JP2014090239A publication Critical patent/JP2014090239A/ja
Publication of JP2014090239A5 publication Critical patent/JP2014090239A5/ja
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Publication of JP5700704B2 publication Critical patent/JP5700704B2/ja
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JP2012237748A 2012-10-29 2012-10-29 スピーカ装置 Active JP5700704B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012237748A JP5700704B2 (ja) 2012-10-29 2012-10-29 スピーカ装置
US14/057,543 US9258649B2 (en) 2012-10-29 2013-10-18 Speaker device
CN201310524208.9A CN103796141A (zh) 2012-10-29 2013-10-29 扬声器装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012237748A JP5700704B2 (ja) 2012-10-29 2012-10-29 スピーカ装置

Publications (3)

Publication Number Publication Date
JP2014090239A JP2014090239A (ja) 2014-05-15
JP2014090239A5 true JP2014090239A5 (ja) 2014-09-11
JP5700704B2 JP5700704B2 (ja) 2015-04-15

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ID=50547207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012237748A Active JP5700704B2 (ja) 2012-10-29 2012-10-29 スピーカ装置

Country Status (3)

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US (1) US9258649B2 (ja)
JP (1) JP5700704B2 (ja)
CN (1) CN103796141A (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018042615A1 (ja) * 2016-09-02 2018-03-08 賢太 田中 電気音響変換装置
US10390143B1 (en) * 2018-02-15 2019-08-20 Bose Corporation Electro-acoustic transducer for open audio device
CN110572749B (zh) * 2018-11-16 2021-03-23 华为技术有限公司 一种移动终端
EP3859981A4 (en) 2018-11-16 2021-11-10 Huawei Technologies Co., Ltd. MOBILE DEVICE
US11026012B1 (en) * 2020-02-18 2021-06-01 Almus Corp. Earphone including tuning means
KR102292933B1 (ko) * 2020-03-16 2021-08-25 주식회사 알머스 이어폰
CN212519419U (zh) * 2020-07-02 2021-02-09 瑞声科技(新加坡)有限公司 扬声器
WO2022218101A1 (zh) * 2021-04-15 2022-10-20 Oppo广东移动通信有限公司 扬声器及音频再现装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54134029U (ja) * 1978-03-10 1979-09-17
JPS6118297A (ja) * 1984-07-04 1986-01-27 Pioneer Electronic Corp トランスデユ−サ
JP2890472B2 (ja) * 1989-05-30 1999-05-17 ソニー株式会社 電気音響変換器
US6768806B1 (en) * 1998-03-19 2004-07-27 Harman International Industries, Incorporated Shorting rings in dual-coil dual-gap loudspeaker drivers
EP1434463A3 (en) * 2002-12-27 2008-11-26 Panasonic Corporation Electroacoustic transducer and electronic apparatus with such a transducer
KR100547357B1 (ko) * 2004-03-30 2006-01-26 삼성전기주식회사 휴대단말기용 스피커 및 그 제조방법
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
US7885425B2 (en) * 2005-01-28 2011-02-08 Panasonic Corporation Electrodynamic electroacoustic transducer and electronic device
EP1947906B1 (en) * 2005-11-11 2016-10-26 Panasonic Intellectual Property Management Co., Ltd. Electric-acoustic converter and electronic device
EP1928210A4 (en) * 2006-09-29 2010-08-04 Panasonic Corp METHOD FOR MANUFACTURING A SPEAKER
KR20100121299A (ko) * 2009-05-08 2010-11-17 주식회사 비에스이 다기능 마이크로 스피커
JP5288556B2 (ja) 2009-06-05 2013-09-11 賢太 田中 イヤホン装置
KR101177322B1 (ko) * 2012-01-27 2012-08-30 영보엔지니어링 주식회사 크로스오버 이중 스피커
JP5826946B2 (ja) * 2012-10-16 2015-12-02 賢太 田中 イヤホン装置
US9197965B2 (en) * 2013-03-15 2015-11-24 James J. Croft, III Planar-magnetic transducer with improved electro-magnetic circuit

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