DE60025620D1 - Gerät für freisprechbetrieb mit zwei schallwandlern - Google Patents

Gerät für freisprechbetrieb mit zwei schallwandlern

Info

Publication number
DE60025620D1
DE60025620D1 DE60025620T DE60025620T DE60025620D1 DE 60025620 D1 DE60025620 D1 DE 60025620D1 DE 60025620 T DE60025620 T DE 60025620T DE 60025620 T DE60025620 T DE 60025620T DE 60025620 D1 DE60025620 D1 DE 60025620D1
Authority
DE
Germany
Prior art keywords
wall
free
ear mode
speed operation
acoustic transducers
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.)
Expired - Lifetime
Application number
DE60025620T
Other languages
English (en)
Other versions
DE60025620T2 (de
Inventor
Erich Klein
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.)
Knowles Electronics Asia Pte Ltd
Original Assignee
Koninklijke Philips Electronics 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE60025620D1 publication Critical patent/DE60025620D1/de
Application granted granted Critical
Publication of DE60025620T2 publication Critical patent/DE60025620T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2873—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself 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
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding 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
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Headphones And Earphones (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE60025620T 1999-08-31 2000-08-07 Gerät für freisprechbetrieb mit zwei schallwandlern Expired - Lifetime DE60025620T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99890277 1999-08-31
EP99890277 1999-08-31
PCT/EP2000/007689 WO2001017201A2 (en) 1999-08-31 2000-08-07 Apparatus for hands-free operation with two sound reproduction transducers

Publications (2)

Publication Number Publication Date
DE60025620D1 true DE60025620D1 (de) 2006-04-06
DE60025620T2 DE60025620T2 (de) 2006-10-19

Family

ID=8244005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025620T Expired - Lifetime DE60025620T2 (de) 1999-08-31 2000-08-07 Gerät für freisprechbetrieb mit zwei schallwandlern

Country Status (7)

Country Link
US (1) US6628790B1 (de)
EP (1) EP1145531B1 (de)
JP (1) JP4261104B2 (de)
CN (1) CN1242648C (de)
AT (1) ATE316318T1 (de)
DE (1) DE60025620T2 (de)
WO (1) WO2001017201A2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7499555B1 (en) * 2002-12-02 2009-03-03 Plantronics, Inc. Personal communication method and apparatus with acoustic stray field cancellation
US6785395B1 (en) * 2003-06-02 2004-08-31 Motorola, Inc. Speaker configuration for a portable electronic device
ATE428257T1 (de) * 2005-02-03 2009-04-15 Tcl & Alcatel Mobile Phones Mobiles endgerat mit mindestens zwei lautsprechern zur erzeugung eines stereoeffektes
KR101107598B1 (ko) 2008-08-18 2012-01-25 크레신 주식회사 헤드폰
US20100054492A1 (en) * 2008-08-29 2010-03-04 Sony Ericsson Mobile Communications Ab Leak-Tolerant Earspeakers, Related Portable Electronic Devices and Methods of Operating the Same
CN103841501B (zh) * 2012-11-20 2017-10-24 清华大学 发声芯片
CN103369440B (zh) 2013-08-01 2016-08-10 广东欧珀移动通信有限公司 一种压电骨导受话器手机
US10110991B2 (en) * 2016-07-06 2018-10-23 Apple Inc. Electronic device having mechanically out-of-phase speakers
JP6872474B2 (ja) * 2017-12-15 2021-05-19 日立建機株式会社 建設機械
CN109121038A (zh) * 2018-08-30 2019-01-01 Oppo广东移动通信有限公司 一种抑制漏音的穿戴式设备、抑制漏音方法及存储介质
US10631096B1 (en) 2019-03-07 2020-04-21 Apple Inc. Force cancelling transducer
CN111031163B (zh) * 2019-11-29 2021-05-14 维沃移动通信有限公司 电子设备
US11570547B2 (en) 2021-06-09 2023-01-31 Apple Inc. Vibration and force cancelling transducer assembly
US11564033B2 (en) 2021-06-09 2023-01-24 Apple Inc. Vibration and force cancelling transducer assembly having a passive radiator

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4875546A (en) * 1988-06-02 1989-10-24 Teledyne Industries, Inc. Loudspeaker with acoustic band-pass filter
DE69012911T2 (de) * 1989-07-24 1995-01-26 Matsushita Electric Ind Co Ltd Lautsprechersystem.
GB2271247B (en) * 1992-10-05 1997-02-19 Motorola Israel Ltd A radio telephone for a vehicle
US5561717A (en) * 1994-03-15 1996-10-01 American Trading And Production Corporation Loudspeaker system
US5537479A (en) * 1994-04-29 1996-07-16 Miller And Kreisel Sound Corp. Dual-driver bass speaker with acoustic reduction of out-of-phase and electronic reduction of in-phase distortion harmonics
US5588041A (en) * 1995-01-05 1996-12-24 Motorola, Inc. Cellular speakerphone and method of operation thereof
US5790679A (en) 1996-06-06 1998-08-04 Northern Telecom Limited Communications terminal having a single transducer for handset and handsfree receive functionality
WO1998038834A1 (en) 1997-02-28 1998-09-03 Koninklijke Philips Electronics N.V. Electroacoustic transducer comprising a closing member for closing the rear volume of the transducer
WO1998038832A1 (en) 1997-02-28 1998-09-03 Koninklijke Philips Electronics N.V. Electroacoustic transducer comprising spring contacts formed with at least one bend
DE19732916A1 (de) * 1997-07-30 1998-12-03 Siemens Ag Mobiles Fernsprechendgerät mit Leistungsmerkmal Lauthören/Freisprechen
EP1002413B1 (de) * 1998-05-15 2007-02-07 Koninklijke Philips Electronics N.V. Gerät zum gebrauch am ohr oder entfernt vom ohr

Also Published As

Publication number Publication date
WO2001017201A2 (en) 2001-03-08
CN1242648C (zh) 2006-02-15
JP4261104B2 (ja) 2009-04-30
EP1145531A2 (de) 2001-10-17
CN1402953A (zh) 2003-03-12
ATE316318T1 (de) 2006-02-15
JP2003508810A (ja) 2003-03-04
EP1145531B1 (de) 2006-01-18
WO2001017201A3 (en) 2001-11-15
US6628790B1 (en) 2003-09-30
DE60025620T2 (de) 2006-10-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL

R081 Change of applicant/patentee

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Owner name: KNOWLES ELECTRONICS ASIA PTE. LTD., SG

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Effective date: 20120726

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