JPS52122122A - Acoustic diaphragm - Google Patents

Acoustic diaphragm

Info

Publication number
JPS52122122A
JPS52122122A JP3896976A JP3896976A JPS52122122A JP S52122122 A JPS52122122 A JP S52122122A JP 3896976 A JP3896976 A JP 3896976A JP 3896976 A JP3896976 A JP 3896976A JP S52122122 A JPS52122122 A JP S52122122A
Authority
JP
Japan
Prior art keywords
acoustic diaphragm
amain
well
crystalline polymer
internal loss
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.)
Granted
Application number
JP3896976A
Other languages
Japanese (ja)
Other versions
JPS5639117B2 (en
Inventor
Hirotoshi Niiguchi
Mitsuru Yashiro
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP3896976A priority Critical patent/JPS52122122A/en
Publication of JPS52122122A publication Critical patent/JPS52122122A/en
Publication of JPS5639117B2 publication Critical patent/JPS5639117B2/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; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

PURPOSE:To increase internal loss as well as to make Young's modulus higher and weight lighter by using crystalline polymer as amain material.
JP3896976A 1976-04-06 1976-04-06 Acoustic diaphragm Granted JPS52122122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3896976A JPS52122122A (en) 1976-04-06 1976-04-06 Acoustic diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3896976A JPS52122122A (en) 1976-04-06 1976-04-06 Acoustic diaphragm

Publications (2)

Publication Number Publication Date
JPS52122122A true JPS52122122A (en) 1977-10-14
JPS5639117B2 JPS5639117B2 (en) 1981-09-10

Family

ID=12539976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3896976A Granted JPS52122122A (en) 1976-04-06 1976-04-06 Acoustic diaphragm

Country Status (1)

Country Link
JP (1) JPS52122122A (en)

Also Published As

Publication number Publication date
JPS5639117B2 (en) 1981-09-10

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