JPS581399A - 難燃性のスピ−カ用センタ−キヤツプ - Google Patents

難燃性のスピ−カ用センタ−キヤツプ

Info

Publication number
JPS581399A
JPS581399A JP9841681A JP9841681A JPS581399A JP S581399 A JPS581399 A JP S581399A JP 9841681 A JP9841681 A JP 9841681A JP 9841681 A JP9841681 A JP 9841681A JP S581399 A JPS581399 A JP S581399A
Authority
JP
Japan
Prior art keywords
center cap
cap
flame
retardant
melamine resin
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
JP9841681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6366478B2 (enrdf_load_stackoverflow
Inventor
Masanori Takahashi
高橋　昌徳
Katsuyoshi Kumagai
熊谷　勝好
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
Pioneer Corp
Original Assignee
Mogami Denki Corp
Pioneer Corp
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 Mogami Denki Corp, Pioneer Corp, Pioneer Electronic Corp filed Critical Mogami Denki Corp
Priority to JP9841681A priority Critical patent/JPS581399A/ja
Publication of JPS581399A publication Critical patent/JPS581399A/ja
Publication of JPS6366478B2 publication Critical patent/JPS6366478B2/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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP9841681A 1981-06-26 1981-06-26 難燃性のスピ−カ用センタ−キヤツプ Granted JPS581399A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9841681A JPS581399A (ja) 1981-06-26 1981-06-26 難燃性のスピ−カ用センタ−キヤツプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9841681A JPS581399A (ja) 1981-06-26 1981-06-26 難燃性のスピ−カ用センタ−キヤツプ

Publications (2)

Publication Number Publication Date
JPS581399A true JPS581399A (ja) 1983-01-06
JPS6366478B2 JPS6366478B2 (enrdf_load_stackoverflow) 1988-12-20

Family

ID=14219214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9841681A Granted JPS581399A (ja) 1981-06-26 1981-06-26 難燃性のスピ−カ用センタ−キヤツプ

Country Status (1)

Country Link
JP (1) JPS581399A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6366478B2 (enrdf_load_stackoverflow) 1988-12-20

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