CN1707608A - 声音放大器 - Google Patents

声音放大器 Download PDF

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Publication number
CN1707608A
CN1707608A CNA2005100695726A CN200510069572A CN1707608A CN 1707608 A CN1707608 A CN 1707608A CN A2005100695726 A CNA2005100695726 A CN A2005100695726A CN 200510069572 A CN200510069572 A CN 200510069572A CN 1707608 A CN1707608 A CN 1707608A
Authority
CN
China
Prior art keywords
sound
earphone
installation portion
intensifier
cover member
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
CNA2005100695726A
Other languages
English (en)
Chinese (zh)
Inventor
石仓干泰
高桥政彦
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.)
Elecom Co Ltd
Original Assignee
Elecom 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 Elecom Co Ltd filed Critical Elecom Co Ltd
Publication of CN1707608A publication Critical patent/CN1707608A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Headphones And Earphones (AREA)
  • Telephone Set Structure (AREA)
CNA2005100695726A 2004-06-04 2005-05-16 声音放大器 Pending CN1707608A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004166583 2004-06-04
JP2004166583A JP2005348190A (ja) 2004-06-04 2004-06-04 音声拡大器

Publications (1)

Publication Number Publication Date
CN1707608A true CN1707608A (zh) 2005-12-14

Family

ID=35500127

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005100695726A Pending CN1707608A (zh) 2004-06-04 2005-05-16 声音放大器

Country Status (3)

Country Link
JP (1) JP2005348190A (cg-RX-API-DMAC7.html)
KR (1) KR100576248B1 (cg-RX-API-DMAC7.html)
CN (1) CN1707608A (cg-RX-API-DMAC7.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102884560A (zh) * 2010-03-09 2013-01-16 Utc消防和保安美国有限公司 探测器后的声响器
US8810426B1 (en) 2013-04-28 2014-08-19 Gary Jay Morris Life safety device with compact circumferential acoustic resonator
US9179220B2 (en) 2012-07-10 2015-11-03 Google Inc. Life safety device with folded resonant cavity for low frequency alarm tones

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10701479B2 (en) 2016-01-05 2020-06-30 Novel Acoustics Ltd. Headphone or earphone device
JP6683043B2 (ja) * 2016-07-11 2020-04-15 株式会社Ｊｖｃケンウッド イヤホン
CN112954541B (zh) * 2021-04-14 2023-09-22 深圳市盛佳丽电子有限公司 一种耳机喇叭面盖的装配装置
US20220337931A1 (en) * 2021-04-16 2022-10-20 Kingston Technology Corporation Acoustic chamber and venting systems and methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185287U (cg-RX-API-DMAC7.html) * 1981-05-20 1982-11-25
JPS6438896U (cg-RX-API-DMAC7.html) * 1987-09-01 1989-03-08
JPH02279000A (ja) * 1989-04-19 1990-11-15 Nippon Chemicon Corp 圧電スピーカ
JP3241082B2 (ja) * 1992-03-13 2001-12-25 アイワ株式会社 アンプ内蔵型スピーカ装置
JP3316711B2 (ja) * 1993-12-27 2002-08-19 カシオ計算機株式会社 音響機器
JPH07222284A (ja) * 1994-02-02 1995-08-18 Purimo:Kk ホーン型圧電セラミックスピーカ
JP2000278784A (ja) * 1999-03-23 2000-10-06 Yoshiro Nakamatsu 高能率コンパクトスピーカ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102884560A (zh) * 2010-03-09 2013-01-16 Utc消防和保安美国有限公司 探测器后的声响器
US8757318B2 (en) 2010-03-09 2014-06-24 Dunstan Walter Runciman Behind the detector sounder
CN102884560B (zh) * 2010-03-09 2015-09-23 Utc消防和保安美国有限公司 探测器后的声响器
US9179220B2 (en) 2012-07-10 2015-11-03 Google Inc. Life safety device with folded resonant cavity for low frequency alarm tones
US9792794B2 (en) 2012-07-10 2017-10-17 Google Inc. Life safety device having high acoustic efficiency
US8810426B1 (en) 2013-04-28 2014-08-19 Gary Jay Morris Life safety device with compact circumferential acoustic resonator
US9489807B2 (en) 2013-04-28 2016-11-08 Google Inc. Life safety device with compact circumferential acoustic resonator
US9552705B2 (en) 2013-04-28 2017-01-24 Google Inc. Life safety device with compact circumferential acoustic resonator

Also Published As

Publication number Publication date
JP2005348190A (ja) 2005-12-15
KR20050074357A (ko) 2005-07-18
KR100576248B1 (ko) 2006-05-10

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20051214