ATE316318T1 - Gerät für freisprechbetrieb mit zwei schallwandlern - Google Patents

Gerät für freisprechbetrieb mit zwei schallwandlern

Info

Publication number
ATE316318T1
ATE316318T1 AT00956410T AT00956410T ATE316318T1 AT E316318 T1 ATE316318 T1 AT E316318T1 AT 00956410 T AT00956410 T AT 00956410T AT 00956410 T AT00956410 T AT 00956410T AT E316318 T1 ATE316318 T1 AT E316318T1
Authority
AT
Austria
Prior art keywords
wall
ear mode
sound transducers
bounding wall
transducer
Prior art date
Application number
AT00956410T
Other languages
English (en)
Inventor
Erich Klein
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE316318T1 publication Critical patent/ATE316318T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2873Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876Reduction 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
    • H04R1/288Reduction 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/04Circuit 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AT00956410T 1999-08-31 2000-08-07 Gerät für freisprechbetrieb mit zwei schallwandlern ATE316318T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99890277 1999-08-31

Publications (1)

Publication Number Publication Date
ATE316318T1 true ATE316318T1 (de) 2006-02-15

Family

ID=8244005

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00956410T ATE316318T1 (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
PT1689149E (pt) * 2005-02-03 2009-07-07 Tcl & Alcatel Mobile Phones Terminal móvel com, pelo menos, dois transdutores para gerar um efeito estéreo
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
EP0410352B1 (de) * 1989-07-24 1994-09-28 Matsushita Electric Industrial 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
ES2281961T3 (es) * 1998-05-15 2007-10-01 Koninklijke Philips Electronics N.V. Aparato para funcionar en un modo colocado en el oido y en un modo apartado del oido.

Also Published As

Publication number Publication date
JP4261104B2 (ja) 2009-04-30
US6628790B1 (en) 2003-09-30
EP1145531A2 (de) 2001-10-17
CN1402953A (zh) 2003-03-12
WO2001017201A3 (en) 2001-11-15
DE60025620T2 (de) 2006-10-19
EP1145531B1 (de) 2006-01-18
DE60025620D1 (de) 2006-04-06
JP2003508810A (ja) 2003-03-04
CN1242648C (zh) 2006-02-15
WO2001017201A2 (en) 2001-03-08

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Legal Events

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