JPH058637B2 - - Google Patents

Info

Publication number
JPH058637B2
JPH058637B2 JP59207809A JP20780984A JPH058637B2 JP H058637 B2 JPH058637 B2 JP H058637B2 JP 59207809 A JP59207809 A JP 59207809A JP 20780984 A JP20780984 A JP 20780984A JP H058637 B2 JPH058637 B2 JP H058637B2
Authority
JP
Japan
Prior art keywords
center cap
filler
polypropylene
potassium titanate
fibers
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
JP59207809A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6184999A (ja
Inventor
Minoru Ito
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.)
Mogami Denki Corp
Original Assignee
Mogami Denki 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 Mogami Denki Corp filed Critical Mogami Denki Corp
Priority to JP20780984A priority Critical patent/JPS6184999A/ja
Publication of JPS6184999A publication Critical patent/JPS6184999A/ja
Publication of JPH058637B2 publication Critical patent/JPH058637B2/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)
JP20780984A 1984-10-03 1984-10-03 音響振動板用センタ−キャップ Granted JPS6184999A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20780984A JPS6184999A (ja) 1984-10-03 1984-10-03 音響振動板用センタ−キャップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20780984A JPS6184999A (ja) 1984-10-03 1984-10-03 音響振動板用センタ−キャップ

Publications (2)

Publication Number Publication Date
JPS6184999A JPS6184999A (ja) 1986-04-30
JPH058637B2 true JPH058637B2 (OSRAM) 1993-02-02

Family

ID=16545856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20780984A Granted JPS6184999A (ja) 1984-10-03 1984-10-03 音響振動板用センタ−キャップ

Country Status (1)

Country Link
JP (1) JPS6184999A (OSRAM)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139596A (ja) * 1982-02-13 1983-08-18 Onkyo Corp スピ−カ−のダストキヤツプ
JPS58144995U (ja) * 1982-03-24 1983-09-29 オンキヨー株式会社 スピ−カ用ダストキヤツプ

Also Published As

Publication number Publication date
JPS6184999A (ja) 1986-04-30

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