CN1151699C - 扬声器 - Google Patents

扬声器

Info

Publication number
CN1151699C
CN1151699C CNB98106938XA CN98106938A CN1151699C CN 1151699 C CN1151699 C CN 1151699C CN B98106938X A CNB98106938X A CN B98106938XA CN 98106938 A CN98106938 A CN 98106938A CN 1151699 C CN1151699 C CN 1151699C
Authority
CN
China
Prior art keywords
main body
sounding
opening
loud speaker
sound
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
CNB98106938XA
Other languages
English (en)
Chinese (zh)
Other versions
CN1214605A (zh
Inventor
中村武
义昭
币之内义昭
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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
Priority claimed from JP11105897A external-priority patent/JP3230459B2/ja
Priority claimed from JP04563498A external-priority patent/JP3470582B2/ja
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CN1214605A publication Critical patent/CN1214605A/zh
Application granted granted Critical
Publication of CN1151699C publication Critical patent/CN1151699C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
CNB98106938XA 1997-04-15 1998-04-15 扬声器 Expired - Fee Related CN1151699C (zh)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP9766597 1997-04-15
JP97665/97 1997-04-15
JP97665/1997 1997-04-15
JP11105897A JP3230459B2 (ja) 1997-04-28 1997-04-28 スピーカ
JP111058/1997 1997-04-28
JP111058/97 1997-04-28
JP45634/98 1998-02-26
JP45634/1998 1998-02-26
JP04563498A JP3470582B2 (ja) 1997-04-15 1998-02-26 スピーカ

Publications (2)

Publication Number Publication Date
CN1214605A CN1214605A (zh) 1999-04-21
CN1151699C true CN1151699C (zh) 2004-05-26

Family

ID=27292311

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB98106938XA Expired - Fee Related CN1151699C (zh) 1997-04-15 1998-04-15 扬声器

Country Status (2)

Country Link
EP (1) EP0873039A3 (fr)
CN (1) CN1151699C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5677636B2 (ja) * 2012-09-28 2015-02-25 京セラ株式会社 音響発生器、音響発生装置および電子機器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413198A (en) * 1981-12-30 1983-11-01 Motorola, Inc. Piezoelectric transducer apparatus
US5031222A (en) * 1988-07-22 1991-07-09 Murata Manufacturing Co., Ltd. Piezoelectric speaker
JP3123431B2 (ja) * 1996-06-03 2001-01-09 株式会社村田製作所 圧電スピーカ

Also Published As

Publication number Publication date
CN1214605A (zh) 1999-04-21
EP0873039A2 (fr) 1998-10-21
EP0873039A3 (fr) 2007-04-04

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee