JPS55159698A - Diaphragm - Google Patents

Diaphragm

Info

Publication number
JPS55159698A
JPS55159698A JP6819779A JP6819779A JPS55159698A JP S55159698 A JPS55159698 A JP S55159698A JP 6819779 A JP6819779 A JP 6819779A JP 6819779 A JP6819779 A JP 6819779A JP S55159698 A JPS55159698 A JP S55159698A
Authority
JP
Japan
Prior art keywords
tannic acid
modulus
wave propagation
propagation speed
longitudinal wave
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
JP6819779A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0116080B2 (enExample
Inventor
Mio Nishi
Koichi Tagawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP6819779A priority Critical patent/JPS55159698A/ja
Publication of JPS55159698A publication Critical patent/JPS55159698A/ja
Publication of JPH0116080B2 publication Critical patent/JPH0116080B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP6819779A 1979-05-31 1979-05-31 Diaphragm Granted JPS55159698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6819779A JPS55159698A (en) 1979-05-31 1979-05-31 Diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6819779A JPS55159698A (en) 1979-05-31 1979-05-31 Diaphragm

Publications (2)

Publication Number Publication Date
JPS55159698A true JPS55159698A (en) 1980-12-11
JPH0116080B2 JPH0116080B2 (enExample) 1989-03-22

Family

ID=13366814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6819779A Granted JPS55159698A (en) 1979-05-31 1979-05-31 Diaphragm

Country Status (1)

Country Link
JP (1) JPS55159698A (enExample)

Also Published As

Publication number Publication date
JPH0116080B2 (enExample) 1989-03-22

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