JPS5880998A - スピ−カ用振動板 - Google Patents

スピ−カ用振動板

Info

Publication number
JPS5880998A
JPS5880998A JP17925181A JP17925181A JPS5880998A JP S5880998 A JPS5880998 A JP S5880998A JP 17925181 A JP17925181 A JP 17925181A JP 17925181 A JP17925181 A JP 17925181A JP S5880998 A JPS5880998 A JP S5880998A
Authority
JP
Japan
Prior art keywords
polyurethane
polypropylene
diaphragm
speaker
young
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
JP17925181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639799B2 (enFirst
Inventor
Kosaku Momotake
宏作 百武
Mamoru Ishida
守 石田
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.)
Nippon Columbia Co Ltd
Original Assignee
Nippon Columbia 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 Nippon Columbia Co Ltd filed Critical Nippon Columbia Co Ltd
Priority to JP17925181A priority Critical patent/JPS5880998A/ja
Publication of JPS5880998A publication Critical patent/JPS5880998A/ja
Publication of JPS639799B2 publication Critical patent/JPS639799B2/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
    • H04R7/02—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)
JP17925181A 1981-11-09 1981-11-09 スピ−カ用振動板 Granted JPS5880998A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17925181A JPS5880998A (ja) 1981-11-09 1981-11-09 スピ−カ用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17925181A JPS5880998A (ja) 1981-11-09 1981-11-09 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS5880998A true JPS5880998A (ja) 1983-05-16
JPS639799B2 JPS639799B2 (enFirst) 1988-03-02

Family

ID=16062574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17925181A Granted JPS5880998A (ja) 1981-11-09 1981-11-09 スピ−カ用振動板

Country Status (1)

Country Link
JP (1) JPS5880998A (enFirst)

Also Published As

Publication number Publication date
JPS639799B2 (enFirst) 1988-03-02

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