ATE72721T1 - Lautsprecher mit einer membran aus zwei teilen zum gebrauch als autolautsprecher. - Google Patents

Lautsprecher mit einer membran aus zwei teilen zum gebrauch als autolautsprecher.

Info

Publication number
ATE72721T1
ATE72721T1 AT87201818T AT87201818T ATE72721T1 AT E72721 T1 ATE72721 T1 AT E72721T1 AT 87201818 T AT87201818 T AT 87201818T AT 87201818 T AT87201818 T AT 87201818T AT E72721 T1 ATE72721 T1 AT E72721T1
Authority
AT
Austria
Prior art keywords
speaker
uml
rho
alpha
diaphragm
Prior art date
Application number
AT87201818T
Other languages
English (en)
Inventor
Joris Adelbert Mar Nieuwendijk
Johannes Wilhelmus Theodor Bax
Haas Franciscus Cupertinus De
Johannes Josephus Mar Kampheus
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of ATE72721T1 publication Critical patent/ATE72721T1/de

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
AT87201818T 1986-09-29 1987-09-22 Lautsprecher mit einer membran aus zwei teilen zum gebrauch als autolautsprecher. ATE72721T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8602451A NL8602451A (nl) 1986-09-29 1986-09-29 Luidspreker met een tweedelig membraan voor toepassing als autoluidspreker.
EP87201818A EP0262729B1 (de) 1986-09-29 1987-09-22 Lautsprecher mit einer Membran aus zwei Teilen zum Gebrauch als Autolautsprecher

Publications (1)

Publication Number Publication Date
ATE72721T1 true ATE72721T1 (de) 1992-03-15

Family

ID=19848609

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87201818T ATE72721T1 (de) 1986-09-29 1987-09-22 Lautsprecher mit einer membran aus zwei teilen zum gebrauch als autolautsprecher.

Country Status (7)

Country Link
US (1) US4847908A (de)
EP (1) EP0262729B1 (de)
JP (1) JPS6388999A (de)
KR (1) KR960000165B1 (de)
AT (1) ATE72721T1 (de)
DE (1) DE3776743D1 (de)
NL (1) NL8602451A (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01162990U (de) * 1988-04-30 1989-11-14
US4997058A (en) * 1989-10-02 1991-03-05 Bertagni Jose J Sound transducer
JP2560932Y2 (ja) * 1990-05-22 1998-01-26 株式会社 オーディオテクニカ 動電型マイクロホンの振動板
US6694038B1 (en) * 1996-09-03 2004-02-17 New Transducers Limited Acoustic device
US6449376B1 (en) * 1999-09-20 2002-09-10 Boston Acoustics, Inc. Planar-type loudspeaker with at least two diaphragms
US6839444B2 (en) * 2000-11-30 2005-01-04 New Transducers Limited Loudspeakers
GB0102865D0 (en) * 2001-02-06 2001-03-21 Secr Defence Brit Panel form loudspeaker
US8722751B2 (en) * 2003-10-30 2014-05-13 Evonik Rohm Gmbh Thermostable microporous polymethacrylimide foams
US8571227B2 (en) 2005-11-11 2013-10-29 Phitek Systems Limited Noise cancellation earphone
US20070261912A1 (en) * 2006-05-11 2007-11-15 Altec Lansing Technologies, Inc. Integrated audio speaker surround
JP4661695B2 (ja) * 2006-06-05 2011-03-30 日産自動車株式会社 吸気音強調装置
JP4661694B2 (ja) * 2006-06-05 2011-03-30 日産自動車株式会社 吸気増音装置
US8666085B2 (en) * 2007-10-02 2014-03-04 Phitek Systems Limited Component for noise reducing earphone
EP2129114A3 (de) * 2008-05-29 2011-11-02 Phitek Systems Limited Medienerweiterungsmodul
US8085968B2 (en) * 2008-07-17 2011-12-27 Bose Corporation Resonating cone transducer
US20110002474A1 (en) * 2009-01-29 2011-01-06 Graeme Colin Fuller Active Noise Reduction System Control
US20110003505A1 (en) * 2009-03-06 2011-01-06 Nigel Greig In-flight entertainment system connector
WO2010118313A1 (en) * 2009-04-10 2010-10-14 Immerz Inc. Systems and methods for acousto-haptic speakers
US20110075331A1 (en) * 2009-05-04 2011-03-31 Nigel Greig Media Player Holder
US20110188668A1 (en) * 2009-09-23 2011-08-04 Mark Donaldson Media delivery system
US9818394B2 (en) * 2009-11-30 2017-11-14 Graeme Colin Fuller Realisation of controller transfer function for active noise cancellation
WO2011146429A1 (en) 2010-05-17 2011-11-24 Thales Avionics, Inc. Airline passenger seat modular user interface device
EP2471710A1 (de) 2010-11-15 2012-07-04 Nigel Greig Medienverteilungssystem
WO2012165976A1 (en) 2011-06-01 2012-12-06 Phitek Systems Limited In-ear device incorporating active noise reduction
KR101392872B1 (ko) * 2012-10-29 2014-05-12 주식회사 이엠텍 음향 변환 장치용 진동 모듈
CN107257534B (zh) * 2017-04-13 2020-11-17 瑞声科技(新加坡)有限公司 碳纤维球顶及其制造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1723550A (en) * 1926-04-15 1929-08-06 William H Kitto Sound-producing diaphragm
BE422587A (de) * 1936-08-01
US2863520A (en) * 1955-03-11 1958-12-09 Gen Dynamics Corp Loudspeaker cone rim treatment
GB927369A (en) * 1960-07-29 1963-05-29 Standard Telephones Cables Ltd Improvements in or relating to electro-acoustic transducers
GB935222A (en) * 1961-04-14 1963-08-28 Goodmans Ind Ltd Improvements in loud speakers, vibration generating motors and other devices of the moving coil type
DE2500397C2 (de) * 1975-01-07 1986-05-28 Schorlemer, Frhr. von, Reinfried, Dipl.-Phys., 3500 Kassel Membran für ein elektroakustisches Wandlersystem und damit ausgerüstetes elektroakustisches Wandlersystem
JPS5251929A (en) * 1975-10-23 1977-04-26 Pioneer Electronic Corp Diaphragm for speakers
JPS57138298A (en) * 1981-02-20 1982-08-26 Citizen Watch Co Ltd Diaphragm for speaker
DE3123098C2 (de) * 1981-06-11 1983-06-01 Martin 4600 Dortmund Stute Membran für elektroakustische Wandlersysteme
NL8501650A (nl) * 1985-06-07 1987-01-02 Philips Nv Elektrodynamische omzetter met een tweedelig membraan.

Also Published As

Publication number Publication date
US4847908A (en) 1989-07-11
KR880004716A (ko) 1988-06-07
EP0262729B1 (de) 1992-02-19
DE3776743D1 (de) 1992-03-26
EP0262729A1 (de) 1988-04-06
KR960000165B1 (ko) 1996-01-03
NL8602451A (nl) 1988-04-18
JPS6388999A (ja) 1988-04-20

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Legal Events

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