JPS55136795A - Diaphragm plate of acoustic unit - Google Patents

Diaphragm plate of acoustic unit

Info

Publication number
JPS55136795A
JPS55136795A JP4414079A JP4414079A JPS55136795A JP S55136795 A JPS55136795 A JP S55136795A JP 4414079 A JP4414079 A JP 4414079A JP 4414079 A JP4414079 A JP 4414079A JP S55136795 A JPS55136795 A JP S55136795A
Authority
JP
Japan
Prior art keywords
mixing
flake shape
thermo
diaphragm plate
carbon black
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
JP4414079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6133432B2 (it
Inventor
Nobuhiro Tsukagoshi
Shinichi Yokozeki
Sumio Hagiwara
Toshikazu Yoshino
Yasuyuki Arai
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP4414079A priority Critical patent/JPS55136795A/ja
Publication of JPS55136795A publication Critical patent/JPS55136795A/ja
Publication of JPS6133432B2 publication Critical patent/JPS6133432B2/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP4414079A 1979-04-13 1979-04-13 Diaphragm plate of acoustic unit Granted JPS55136795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4414079A JPS55136795A (en) 1979-04-13 1979-04-13 Diaphragm plate of acoustic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4414079A JPS55136795A (en) 1979-04-13 1979-04-13 Diaphragm plate of acoustic unit

Publications (2)

Publication Number Publication Date
JPS55136795A true JPS55136795A (en) 1980-10-24
JPS6133432B2 JPS6133432B2 (it) 1986-08-01

Family

ID=12683326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4414079A Granted JPS55136795A (en) 1979-04-13 1979-04-13 Diaphragm plate of acoustic unit

Country Status (1)

Country Link
JP (1) JPS55136795A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS617798A (ja) * 1984-06-22 1986-01-14 Mitsubishi Electric Corp スピ−カ振動板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS617798A (ja) * 1984-06-22 1986-01-14 Mitsubishi Electric Corp スピ−カ振動板

Also Published As

Publication number Publication date
JPS6133432B2 (it) 1986-08-01

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