JPS58131896A - スピ−カ−用振動板 - Google Patents

スピ−カ−用振動板

Info

Publication number
JPS58131896A
JPS58131896A JP1505782A JP1505782A JPS58131896A JP S58131896 A JPS58131896 A JP S58131896A JP 1505782 A JP1505782 A JP 1505782A JP 1505782 A JP1505782 A JP 1505782A JP S58131896 A JPS58131896 A JP S58131896A
Authority
JP
Japan
Prior art keywords
diaphragm
independent bubbles
dome
polypropyrene
foams
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
JP1505782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0410796B2 (enrdf_load_stackoverflow
Inventor
Fumiteru Shinguu
新宮　文輝
Masao Urano
浦野　昌夫
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.)
TONEGEN KK
Original Assignee
TONEGEN KK
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 TONEGEN KK filed Critical TONEGEN KK
Priority to JP1505782A priority Critical patent/JPS58131896A/ja
Publication of JPS58131896A publication Critical patent/JPS58131896A/ja
Publication of JPH0410796B2 publication Critical patent/JPH0410796B2/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)
JP1505782A 1982-02-01 1982-02-01 スピ−カ−用振動板 Granted JPS58131896A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1505782A JPS58131896A (ja) 1982-02-01 1982-02-01 スピ−カ−用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1505782A JPS58131896A (ja) 1982-02-01 1982-02-01 スピ−カ−用振動板

Publications (2)

Publication Number Publication Date
JPS58131896A true JPS58131896A (ja) 1983-08-05
JPH0410796B2 JPH0410796B2 (enrdf_load_stackoverflow) 1992-02-26

Family

ID=11878205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1505782A Granted JPS58131896A (ja) 1982-02-01 1982-02-01 スピ−カ−用振動板

Country Status (1)

Country Link
JP (1) JPS58131896A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9438997B2 (en) 2012-12-14 2016-09-06 Panasonic Intellectual Property Management Co., Ltd. Diaphragm, loudspeaker using diaphragm, electronic device and mobile device using loudspeaker, and method for producing diaphragm

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524318A (en) * 1978-08-09 1980-02-21 Hitachi Ltd Exposure device for color braun tube

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524318A (en) * 1978-08-09 1980-02-21 Hitachi Ltd Exposure device for color braun tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9438997B2 (en) 2012-12-14 2016-09-06 Panasonic Intellectual Property Management Co., Ltd. Diaphragm, loudspeaker using diaphragm, electronic device and mobile device using loudspeaker, and method for producing diaphragm

Also Published As

Publication number Publication date
JPH0410796B2 (enrdf_load_stackoverflow) 1992-02-26

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