JPH03130700U - - Google Patents

Info

Publication number
JPH03130700U
JPH03130700U JP1990038889U JP3888990U JPH03130700U JP H03130700 U JPH03130700 U JP H03130700U JP 1990038889 U JP1990038889 U JP 1990038889U JP 3888990 U JP3888990 U JP 3888990U JP H03130700 U JPH03130700 U JP H03130700U
Authority
JP
Japan
Prior art keywords
diaphragm
back side
space
wall surface
drive section
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
JP1990038889U
Other languages
English (en)
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 filed Critical
Priority to JP1990038889U priority Critical patent/JPH03130700U/ja
Priority to US07/680,253 priority patent/US5327507A/en
Publication of JPH03130700U publication Critical patent/JPH03130700U/ja
Pending legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type

Description

【図面の簡単な説明】
第１図ないし第３図は本考案の一実施例を示す
ものである。第１図はヘツドホン装置の構成を示
す断面図である。第２図は上記装置で出力される
音声の周波数分析結果の一例を示すグラフである
。第３図は上記装置から外部に漏れる音の周波数
分析結果の一例を示すグラフである。第４図は従
来例を示すものであつて、ヘツドホン装置の構成
を示す断面図である。 １……ケース、３……振動板、４……駆動部、
１２……背面側壁面、１３……バツクキヤビテイ
（低音域増強用空間）、１６……貫通孔、１７…
…密閉壁面、１８……吸音空間である。

Claims (1)

  1. 【実用新案登録請求の範囲】 振動板と、この振動板の背面側に位置して上記
    振動板を駆動する駆動部とを備えると共に、上記
    駆動部の背面側にこの駆動部と上記振動板との間
    の空間に連通する低音域増強用空間を形成して上
    記振動板と駆動部との背面側を囲うケースが設け
    られ、また、このケースにおける上記低音域増強
    用空間に面する背面側壁面に周波数特性調整用の
    スリツト状の貫通孔が形成されている電気音響変
    換器において、 上記背面側壁面との間に空間部を形成して上記
    貫通孔を背面側から覆う密閉壁面がさらに設けら
    れていることを特徴とする電気音響変換器。
JP1990038889U 1990-04-10 1990-04-10 Pending JPH03130700U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1990038889U JPH03130700U (ja) 1990-04-10 1990-04-10
US07/680,253 US5327507A (en) 1990-04-10 1991-04-04 Headphone apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990038889U JPH03130700U (ja) 1990-04-10 1990-04-10

Publications (1)

Publication Number Publication Date
JPH03130700U true JPH03130700U (ja) 1991-12-27

Family

ID=12537775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990038889U Pending JPH03130700U (ja) 1990-04-10 1990-04-10

Country Status (2)

Country Link
US (1) US5327507A (ja)
JP (1) JPH03130700U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010283643A (ja) * 2009-06-05 2010-12-16 Kenta Tanaka イヤホン装置
WO2018225354A1 (ja) * 2017-06-07 2018-12-13 株式会社発明屋 音響装置

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995000946A1 (en) * 1993-06-23 1995-01-05 Noise Cancellation Technologies, Inc. Variable gain active noise cancellation system with improved residual noise sensing
US7103188B1 (en) 1993-06-23 2006-09-05 Owen Jones Variable gain active noise cancelling system with improved residual noise sensing
US5802190A (en) * 1994-11-04 1998-09-01 The Walt Disney Company Linear speaker array
US6058315A (en) * 1996-03-13 2000-05-02 Motorola, Inc. Speaker assembly for a radiotelephone
US6134336A (en) * 1998-05-14 2000-10-17 Motorola, Inc. Integrated speaker assembly of a portable electronic device
US6018730A (en) 1998-12-22 2000-01-25 Ac Properties B.V. System, method and article of manufacture for a simulation engine with a help website and processing engine
US6736642B2 (en) * 1999-08-31 2004-05-18 Indeliq, Inc. Computer enabled training of a user to validate assumptions
US6785395B1 (en) 2003-06-02 2004-08-31 Motorola, Inc. Speaker configuration for a portable electronic device
JP2006217452A (ja) * 2005-02-07 2006-08-17 Matsushita Electric Ind Co Ltd スピーカ
US20090226018A1 (en) * 2006-02-16 2009-09-10 Karsten Nielsen micro-transducer with improved perceived sound quality
US8594351B2 (en) 2006-06-30 2013-11-26 Bose Corporation Equalized earphones
US7916888B2 (en) * 2006-06-30 2011-03-29 Bose Corporation In-ear headphones
US8073181B2 (en) * 2006-06-30 2011-12-06 Bose Corporation Passive headphone equalizing
SE531656E5 (sv) * 2008-05-12 2011-04-26 3M Svenska Ab Hörselskydd
US8670586B1 (en) 2012-09-07 2014-03-11 Bose Corporation Combining and waterproofing headphone port exits
US9386134B2 (en) * 2013-10-22 2016-07-05 Nokia Corporation Speaker back cavity
US9301040B2 (en) * 2014-03-14 2016-03-29 Bose Corporation Pressure equalization in earphones
US9578412B2 (en) * 2014-06-27 2017-02-21 Apple Inc. Mass loaded earbud with vent chamber
CN104581483A (zh) * 2014-12-24 2015-04-29 青岛歌尔声学科技有限公司 一种开放式耳机
US10257607B2 (en) * 2016-02-14 2019-04-09 Transound Electronics Co., Ltd. Headphones with frequency-based divisions
US9591398B1 (en) * 2016-03-02 2017-03-07 Howard Wang Headphone
US10542337B2 (en) 2017-07-18 2020-01-21 Shure Acquisition Holdings, Inc. Moving coil microphone transducer with secondary port
US10932032B2 (en) * 2018-12-20 2021-02-23 Advanced Semiconductor Engineering, Inc. Acoustic device
TWI779304B (zh) * 2020-06-22 2022-10-01 美律實業股份有限公司 揚聲器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5639758A (en) * 1979-09-08 1981-04-15 Kusaka Koji Preparation of soft bean curd
JPS5645557A (en) * 1979-09-21 1981-04-25 Toshiba Corp X-ray image intensifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5388718A (en) * 1976-12-15 1978-08-04 Matsushita Electric Ind Co Ltd Sealed head phone
JPS6163193A (ja) * 1984-09-04 1986-04-01 Nippon Chemicon Corp 電気音響変換器
JPS61195188A (ja) * 1985-02-26 1986-08-29 Hitachi Cable Ltd パテ状防火組成物
CH665896A5 (fr) * 1986-02-11 1988-06-15 Kugler Fonderie Robinetterie Dispositif d'amortissement phonique pour conduite d'installation sanitaire.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5639758A (en) * 1979-09-08 1981-04-15 Kusaka Koji Preparation of soft bean curd
JPS5645557A (en) * 1979-09-21 1981-04-25 Toshiba Corp X-ray image intensifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010283643A (ja) * 2009-06-05 2010-12-16 Kenta Tanaka イヤホン装置
WO2018225354A1 (ja) * 2017-06-07 2018-12-13 株式会社発明屋 音響装置

Also Published As

Publication number Publication date
US5327507A (en) 1994-07-05

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