JPS5754498A - Supiika - Google Patents

Supiika

Info

Publication number
JPS5754498A
JPS5754498A JP12934380A JP12934380A JPS5754498A JP S5754498 A JPS5754498 A JP S5754498A JP 12934380 A JP12934380 A JP 12934380A JP 12934380 A JP12934380 A JP 12934380A JP S5754498 A JPS5754498 A JP S5754498A
Authority
JP
Japan
Prior art keywords
diaphragm
aluminum
foamed
fitted
losing
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.)
Pending
Application number
JP12934380A
Other languages
English (en)
Inventor
Norihiko Takami
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12934380A priority Critical patent/JPS5754498A/ja
Publication of JPS5754498A publication Critical patent/JPS5754498A/ja
Pending 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
    • H04R7/12—Non-planar diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP12934380A 1980-09-19 1980-09-19 Supiika Pending JPS5754498A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12934380A JPS5754498A (ja) 1980-09-19 1980-09-19 Supiika

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12934380A JPS5754498A (ja) 1980-09-19 1980-09-19 Supiika

Publications (1)

Publication Number Publication Date
JPS5754498A true JPS5754498A (ja) 1982-03-31

Family

ID=15007259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12934380A Pending JPS5754498A (ja) 1980-09-19 1980-09-19 Supiika

Country Status (1)

Country Link
JP (1) JPS5754498A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045587U (ja) * 1983-09-06 1985-03-30 三洋電機株式会社 平面スピ−カ
JPS6057294U (ja) * 1983-09-27 1985-04-22 三洋電機株式会社 平面スピ−カ
US6305491B2 (en) 1998-05-08 2001-10-23 Matsushita Electric Industrial Co., Ltd. Speaker
US7568552B2 (en) * 2004-01-15 2009-08-04 Bose Corporation Acoustic passive radiator rocking mode reducing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045587U (ja) * 1983-09-06 1985-03-30 三洋電機株式会社 平面スピ−カ
JPS6057294U (ja) * 1983-09-27 1985-04-22 三洋電機株式会社 平面スピ−カ
US6305491B2 (en) 1998-05-08 2001-10-23 Matsushita Electric Industrial Co., Ltd. Speaker
US7568552B2 (en) * 2004-01-15 2009-08-04 Bose Corporation Acoustic passive radiator rocking mode reducing

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