CN1132499C - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
CN1132499C
CN1132499C CN98107352A CN98107352A CN1132499C CN 1132499 C CN1132499 C CN 1132499C CN 98107352 A CN98107352 A CN 98107352A CN 98107352 A CN98107352 A CN 98107352A CN 1132499 C CN1132499 C CN 1132499C
Authority
CN
China
Prior art keywords
base part
loud speaker
oscillating component
component
drive electrode
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
CN98107352A
Other languages
English (en)
Chinese (zh)
Other versions
CN1222048A (zh
Inventor
中村武
金子贵之
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
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CN1222048A publication Critical patent/CN1222048A/zh
Application granted granted Critical
Publication of CN1132499C publication Critical patent/CN1132499C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/023—Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CN98107352A 1997-12-27 1998-04-24 扬声器 Expired - Lifetime CN1132499C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP09368133A JP3134835B2 (ja) 1997-12-27 1997-12-27 スピーカ
JP368133/97 1997-12-27
JP368133/1997 1997-12-27

Publications (2)

Publication Number Publication Date
CN1222048A CN1222048A (zh) 1999-07-07
CN1132499C true CN1132499C (zh) 2003-12-24

Family

ID=18491050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98107352A Expired - Lifetime CN1132499C (zh) 1997-12-27 1998-04-24 扬声器

Country Status (5)

Country Link
EP (1) EP0926924B1 (de)
JP (1) JP3134835B2 (de)
KR (1) KR100320300B1 (de)
CN (1) CN1132499C (de)
DE (1) DE69839907D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100906335B1 (ko) * 2007-08-07 2009-07-06 티.비텔레콤(주) 디지털 마이크의 베이스 부재 제조 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409654B1 (fr) * 1977-11-17 1985-10-04 Thomson Csf Dispositif transducteur piezoelectrique et son procede de fabrication
FR2473242A1 (fr) * 1980-01-08 1981-07-10 Thomson Csf Transducteur electroacoustique a dome actif
US4550797A (en) * 1983-01-17 1985-11-05 Victor Company Of Japan Loudspeaker diaphragm made of a molded, sintered ceramic body
JP3180646B2 (ja) * 1995-12-14 2001-06-25 株式会社村田製作所 スピーカ
JP3186584B2 (ja) * 1996-05-31 2001-07-11 株式会社村田製作所 スピーカ

Also Published As

Publication number Publication date
DE69839907D1 (de) 2008-10-02
EP0926924B1 (de) 2008-08-20
CN1222048A (zh) 1999-07-07
EP0926924A2 (de) 1999-06-30
JPH11196490A (ja) 1999-07-21
JP3134835B2 (ja) 2001-02-13
KR100320300B1 (ko) 2002-02-19
KR19990062395A (ko) 1999-07-26
EP0926924A3 (de) 2005-04-13

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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
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20031224