BR9508771A - Sistema de alto-falante e processo de ventilar o mesmo - Google Patents

Sistema de alto-falante e processo de ventilar o mesmo

Info

Publication number
BR9508771A
BR9508771A BR9508771A BR9508771A BR9508771A BR 9508771 A BR9508771 A BR 9508771A BR 9508771 A BR9508771 A BR 9508771A BR 9508771 A BR9508771 A BR 9508771A BR 9508771 A BR9508771 A BR 9508771A
Authority
BR
Brazil
Prior art keywords
port
disks
baffle plates
vented
speaker system
Prior art date
Application number
BR9508771A
Other languages
English (en)
Inventor
Matthew S Polk Jr
Colin B Cambell
Original Assignee
Britannia Investment Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23133303&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9508771(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Britannia Investment Corp filed Critical Britannia Investment Corp
Publication of BR9508771A publication Critical patent/BR9508771A/pt

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
    • H04R1/20—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
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • 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
    • H04R1/22—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
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • 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
    • H04R1/22—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
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
BR9508771A 1994-08-23 1995-08-22 Sistema de alto-falante e processo de ventilar o mesmo BR9508771A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/294,412 US5517573A (en) 1994-01-04 1994-08-23 Ported loudspeaker system and method with reduced air turbulence
PCT/US1995/010664 WO1996006514A1 (en) 1994-08-23 1995-08-22 Ported loudspeaker system and method with reduced air turbulence

Publications (1)

Publication Number Publication Date
BR9508771A true BR9508771A (pt) 1998-01-06

Family

ID=23133303

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9508771A BR9508771A (pt) 1994-08-23 1995-08-22 Sistema de alto-falante e processo de ventilar o mesmo

Country Status (11)

Country Link
US (1) US5517573A (pt)
EP (2) EP0776591B1 (pt)
JP (1) JP3372257B2 (pt)
CN (1) CN1144502C (pt)
AT (2) ATE301383T1 (pt)
AU (1) AU3411695A (pt)
BR (1) BR9508771A (pt)
CA (1) CA2198113C (pt)
DE (2) DE69535611T2 (pt)
HK (1) HK1006503A1 (pt)
WO (1) WO1996006514A1 (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475764A (en) * 1992-09-30 1995-12-12 Polk Investment Corporation Bandpass woofer and method
US5749433A (en) * 1996-02-13 1998-05-12 Jackson; Michael Massline loudspeaker enclosure
CA2191147A1 (en) * 1996-11-25 1998-05-25 Patrice Ledoux Speaker system
US6263083B1 (en) 1997-04-11 2001-07-17 The Regents Of The University Of Michigan Directional tone color loudspeaker
US6233343B1 (en) * 1997-09-26 2001-05-15 Hewlett-Packard Company Power adapter having a speaker for an electronic device
KR100273942B1 (ko) * 1997-11-03 2000-12-15 윤종용 스피커장치
US6546298B1 (en) * 1998-06-17 2003-04-08 Micron Technology, Inc. Speaker apparatus and a computer system incorporating same
GB2350966B (en) * 1999-06-10 2001-08-22 Stefan Gamble Loudspeaker cabinet and microphone housing internal energy control treatment
IT1315850B1 (it) * 2000-02-28 2003-03-26 Domenico Fiorentino Diffusore acustico esente da risonanze.
US7162049B2 (en) * 2003-01-07 2007-01-09 Britannia Investment Corporation Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance
US7039212B2 (en) * 2003-09-12 2006-05-02 Britannia Investment Corporation Weather resistant porting
GB0328639D0 (en) * 2003-12-10 2004-01-14 Mitel Networks Corp Loudspeaker enclosure incorporating a leak to compensate for the effect of acoustic modes on loudspeaker frequency response
US7450733B2 (en) * 2004-01-23 2008-11-11 Creative Technology Ltd. Speaker with externally mounted acoustic extension
US7890312B2 (en) * 2004-08-16 2011-02-15 Harman International Industries, Incorporated Method for predicting loudspeaker port performance and optimizing loudspeaker port designs utilizing bi-directional fluid flow principles
US7760899B1 (en) 2006-02-27 2010-07-20 Graber Curtis E Subwoofer with cascaded array of drivers arranged with staggered spacing
CN101282590B (zh) * 2007-04-06 2011-08-17 中国科学院声学研究所 高效率全调制气流扬声器
CN101904179A (zh) * 2007-10-22 2010-12-01 戴维·梅希巴 声学系统
WO2009118677A1 (en) * 2008-03-28 2009-10-01 Koninklijke Philips Electronics N.V. Vented loudspeaker system
US8315419B2 (en) * 2008-07-25 2012-11-20 Bose Corporation Sound producing system
CN103733644B (zh) 2011-07-12 2017-04-26 斯特塔音响器材有限责任公司 音圈架加固器及转换器
EP2732642A4 (en) 2011-07-12 2015-02-25 Strata Audio LLC CHANNEL WITH BALANCED IMMUNITY MOMENT
US8995696B2 (en) * 2012-08-31 2015-03-31 Bose Corporation Speaker
WO2016098068A1 (en) * 2014-12-18 2016-06-23 Melelli Daniele Loudspeaker for closed and open environments
DE102015120176B4 (de) 2015-11-20 2019-08-14 Arnautovic Faruk Schallerzeugungssystem
JP6812706B2 (ja) * 2016-08-31 2021-01-13 ヤマハ株式会社 スピーカーシステム
JP2019169886A (ja) * 2018-03-23 2019-10-03 ヤマハ株式会社 バスレフポートおよびバスレフ型スピーカ
WO2020061304A1 (en) 2018-09-19 2020-03-26 Polk Audio, Llc Audio transducer with forced ventilation of motor and method
TWI773950B (zh) * 2019-12-12 2022-08-11 緯創資通股份有限公司 倒相管及音箱
RU205770U1 (ru) * 2020-12-18 2021-08-11 Роман Валерьевич Быстреев Акустическая колонка

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151235U (pt) * 1978-04-12 1979-10-20
JPH0727750Y2 (ja) * 1988-08-10 1995-06-21 ヤマハ株式会社 音響装置

Also Published As

Publication number Publication date
HK1006503A1 (en) 1999-03-05
DE69535611D1 (de) 2007-11-15
DE69534356D1 (de) 2005-09-08
ATE301383T1 (de) 2005-08-15
DE69534356T2 (de) 2006-05-24
EP1515585A3 (en) 2005-06-22
CA2198113A1 (en) 1996-02-29
CN1158687A (zh) 1997-09-03
EP0776591B1 (en) 2005-08-03
AU3411695A (en) 1996-03-14
JP3372257B2 (ja) 2003-01-27
EP0776591A4 (en) 2003-01-22
US5517573A (en) 1996-05-14
ATE375071T1 (de) 2007-10-15
WO1996006514A1 (en) 1996-02-29
CA2198113C (en) 2001-02-20
EP1515585A2 (en) 2005-03-16
EP0776591A1 (en) 1997-06-04
JPH10507041A (ja) 1998-07-07
EP1515585B1 (en) 2007-10-03
CN1144502C (zh) 2004-03-31
DE69535611T2 (de) 2008-02-21

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 22/08/2015