JPS6231877B2 - - Google Patents

Info

Publication number
JPS6231877B2
JPS6231877B2 JP10371280A JP10371280A JPS6231877B2 JP S6231877 B2 JPS6231877 B2 JP S6231877B2 JP 10371280 A JP10371280 A JP 10371280A JP 10371280 A JP10371280 A JP 10371280A JP S6231877 B2 JPS6231877 B2 JP S6231877B2
Authority
JP
Japan
Prior art keywords
diaphragm
fiber
electroacoustic transducer
core material
foamed
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
Application number
JP10371280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5730496A (en
Inventor
Akira Nakamura
Takao Nakatani
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki 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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP10371280A priority Critical patent/JPS5730496A/ja
Priority to US06/283,367 priority patent/US4410768A/en
Publication of JPS5730496A publication Critical patent/JPS5730496A/ja
Publication of JPS6231877B2 publication Critical patent/JPS6231877B2/ja
Granted 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP10371280A 1980-07-23 1980-07-30 Diaphragm for electroacoustic transducer Granted JPS5730496A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10371280A JPS5730496A (en) 1980-07-30 1980-07-30 Diaphragm for electroacoustic transducer
US06/283,367 US4410768A (en) 1980-07-23 1981-07-15 Electro-acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10371280A JPS5730496A (en) 1980-07-30 1980-07-30 Diaphragm for electroacoustic transducer

Publications (2)

Publication Number Publication Date
JPS5730496A JPS5730496A (en) 1982-02-18
JPS6231877B2 true JPS6231877B2 (cs) 1987-07-10

Family

ID=14361325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10371280A Granted JPS5730496A (en) 1980-07-23 1980-07-30 Diaphragm for electroacoustic transducer

Country Status (1)

Country Link
JP (1) JPS5730496A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6097829A (en) * 1995-04-06 2000-08-01 Precision Power, Inc. Fiber-honeycomb-fiber sandwich speaker diaphragm and method
US5701359A (en) * 1995-04-06 1997-12-23 Precision Power Flat-panel speaker
KR100744843B1 (ko) * 2005-10-14 2007-08-06 (주)케이에이치 케미컬 음향 진동판 및 이를 구비하는 스피커
KR100767260B1 (ko) * 2005-10-31 2007-10-17 (주)케이에이치 케미컬 음향 진동판 및 이를 구비하는 스피커
CN101864642B (zh) * 2010-04-29 2011-08-10 惠州市海韵电子有限公司 一种绿色玻纤及其制备方法

Also Published As

Publication number Publication date
JPS5730496A (en) 1982-02-18

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