EP0873039A3 - Haut-parleur - Google Patents

Haut-parleur Download PDF

Info

Publication number
EP0873039A3
EP0873039A3 EP98400928A EP98400928A EP0873039A3 EP 0873039 A3 EP0873039 A3 EP 0873039A3 EP 98400928 A EP98400928 A EP 98400928A EP 98400928 A EP98400928 A EP 98400928A EP 0873039 A3 EP0873039 A3 EP 0873039A3
Authority
EP
European Patent Office
Prior art keywords
main body
speaker
ringed
dampers
tight
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.)
Withdrawn
Application number
EP98400928A
Other languages
German (de)
English (en)
Other versions
EP0873039A2 (fr
Inventor
Takeshi Nakamura
Yoshiaki Heinouchi
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 EP0873039A2 publication Critical patent/EP0873039A2/fr
Publication of EP0873039A3 publication Critical patent/EP0873039A3/fr
Withdrawn legal-status Critical Current

Links

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)
EP98400928A 1997-04-15 1998-04-15 Haut-parleur Withdrawn EP0873039A3 (fr)

Applications Claiming Priority (6)

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

Publications (2)

Publication Number Publication Date
EP0873039A2 EP0873039A2 (fr) 1998-10-21
EP0873039A3 true EP0873039A3 (fr) 2007-04-04

Family

ID=27292311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98400928A Withdrawn EP0873039A3 (fr) 1997-04-15 1998-04-15 Haut-parleur

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

Citations (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
EP0812124A2 (fr) * 1996-06-03 1997-12-10 Murata Manufacturing Co., Ltd. Haut-parleur piézoélectrique

Patent Citations (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
EP0812124A2 (fr) * 1996-06-03 1997-12-10 Murata Manufacturing Co., Ltd. Haut-parleur piézoélectrique

Also Published As

Publication number Publication date
CN1151699C (zh) 2004-05-26
CN1214605A (zh) 1999-04-21
EP0873039A2 (fr) 1998-10-21

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