DE60104045D1 - Multifunktionaler Schwingungserreger, geeignet zur Unterdrückung des instabilen Betriebs in der Umgebung der Resonanzfrequenz - Google Patents

Multifunktionaler Schwingungserreger, geeignet zur Unterdrückung des instabilen Betriebs in der Umgebung der Resonanzfrequenz

Info

Publication number
DE60104045D1
DE60104045D1 DE60104045T DE60104045T DE60104045D1 DE 60104045 D1 DE60104045 D1 DE 60104045D1 DE 60104045 T DE60104045 T DE 60104045T DE 60104045 T DE60104045 T DE 60104045T DE 60104045 D1 DE60104045 D1 DE 60104045D1
Authority
DE
Germany
Prior art keywords
vicinity
resonance frequency
vibration exciter
unstable operation
multifunctional vibration
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 - Fee Related
Application number
DE60104045T
Other languages
English (en)
Other versions
DE60104045T2 (de
Inventor
Nobuyasu Sakai
Fumihiro Suzuki
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.)
Tokin Corp
Original Assignee
NEC Tokin 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
Application filed by NEC Tokin Corp filed Critical NEC Tokin Corp
Application granted granted Critical
Publication of DE60104045D1 publication Critical patent/DE60104045D1/de
Publication of DE60104045T2 publication Critical patent/DE60104045T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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 
    • H04R1/28—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
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • 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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
    • 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
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure 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
    • H04R2400/00—Loudspeakers
    • H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/07—Suspension between moving magnetic core and housing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE60104045T 2000-04-14 2001-04-12 Multifunktionaler Schwingungserreger, geeignet zur Unterdrückung des instabilen Betriebs in der Umgebung der Resonanzfrequenz Expired - Fee Related DE60104045T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000113312A JP2001293436A (ja) 2000-04-14 2000-04-14 多機能振動アクチュエータ
JP2000113312 2000-04-14

Publications (2)

Publication Number Publication Date
DE60104045D1 true DE60104045D1 (de) 2004-08-05
DE60104045T2 DE60104045T2 (de) 2005-08-25

Family

ID=18625301

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60104045T Expired - Fee Related DE60104045T2 (de) 2000-04-14 2001-04-12 Multifunktionaler Schwingungserreger, geeignet zur Unterdrückung des instabilen Betriebs in der Umgebung der Resonanzfrequenz

Country Status (8)

Country Link
US (1) US20010030474A1 (de)
EP (1) EP1145770B1 (de)
JP (1) JP2001293436A (de)
KR (1) KR20010098582A (de)
CN (1) CN1321551A (de)
DE (1) DE60104045T2 (de)
HK (1) HK1040211A1 (de)
SG (1) SG100669A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6700251B2 (en) * 2001-11-06 2004-03-02 Citizen Electronics Co., Ltd. Vibrating device for axially vibrating a movable member
CN1273226C (zh) 2001-12-28 2006-09-06 并木精密宝石株式会社 多功能振动传动装置
WO2004006620A1 (ja) * 2002-07-04 2004-01-15 Nec Tokin Corporation 電気音響変換器
US7212647B2 (en) * 2002-09-06 2007-05-01 Namiki Seimitsu Houseki Kabushiki Kaisha Vibration actuator device of portable terminal
JP4630958B2 (ja) 2003-02-27 2011-02-09 並木精密宝石株式会社 多機能型アクチュエータ及び携帯端末機器
KR20040084579A (ko) * 2003-03-28 2004-10-06 배장환 전기에너지/음향에너지 변환기에서의 자기장 저감기술
EP1674165A1 (de) * 2004-12-22 2006-06-28 ETA SA Manufacture Horlogère Suisse Rüttelvorrichtung für einen tragbaren Gegenstand mit Schutzmitteln gegen mechanische Stö e
JP4704188B2 (ja) * 2005-10-28 2011-06-15 富士通テン株式会社 エキサイタの磁気回路構造
GB2438255B (en) * 2006-02-23 2009-10-21 Citizen Electronics Vibrator
DE102006031223B3 (de) * 2006-06-30 2008-02-07 AJ Cybertron Gesellschaft für Laborautomationssysteme mbH Schütteleinrichtung und Verfahren zum Homogenisieren und/oder Aufschließen von Proben
KR100854723B1 (ko) * 2007-01-02 2008-08-27 주식회사 벨포원 마이크로스피커
DE102013213493A1 (de) * 2013-07-10 2015-01-15 Robert Bosch Gmbh Schallwandleranordnung
CN106444390B (zh) * 2016-12-06 2019-03-29 北京航空航天大学 一种基于fir滤波器和分数阶重复控制器的磁悬浮转子谐波电流抑制方法
CN109348375A (zh) * 2018-11-29 2019-02-15 深圳倍声声学技术有限公司 一种动铁扬声器和耳机
KR102098321B1 (ko) * 2019-02-07 2020-04-07 주식회사 엠플러스 사운드 진동 액츄에이터
CN118200818A (zh) * 2024-05-20 2024-06-14 瑞声光电科技(常州)有限公司 一种扬声器以及扬声器箱

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065883A3 (de) * 1981-05-26 1984-01-11 Celestion International Limited Ringförmige Membran für Lautsprecher
US5406038A (en) * 1994-01-31 1995-04-11 Motorola, Inc. Shielded speaker
KR200160178Y1 (ko) * 1997-08-05 1999-11-01 이종배 다용도 진동 및 호출음 발생장치
JP3680562B2 (ja) * 1997-10-30 2005-08-10 松下電器産業株式会社 電気−機械−音響変換器及びその製造法
TW550873B (en) * 1999-05-17 2003-09-01 Nec Tokin Corp Electrodynamic type of vibration actuator and mobile communication terminal

Also Published As

Publication number Publication date
US20010030474A1 (en) 2001-10-18
SG100669A1 (en) 2003-12-26
DE60104045T2 (de) 2005-08-25
JP2001293436A (ja) 2001-10-23
EP1145770A3 (de) 2002-01-02
EP1145770B1 (de) 2004-06-30
HK1040211A1 (zh) 2002-05-31
KR20010098582A (ko) 2001-11-08
EP1145770A2 (de) 2001-10-17
CN1321551A (zh) 2001-11-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee