JPS60229499A - 平面スピ−カ - Google Patents

平面スピ−カ

Info

Publication number
JPS60229499A
JPS60229499A JP59085452A JP8545284A JPS60229499A JP S60229499 A JPS60229499 A JP S60229499A JP 59085452 A JP59085452 A JP 59085452A JP 8545284 A JP8545284 A JP 8545284A JP S60229499 A JPS60229499 A JP S60229499A
Authority
JP
Japan
Prior art keywords
center
circular
core member
core material
flat
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
JP59085452A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0252917B2 (enrdf_load_stackoverflow
Inventor
Hitoshi Sato
均 佐藤
Masanobu Konno
近野　公信
Kazuro Okuzawa
和朗 奥沢
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59085452A priority Critical patent/JPS60229499A/ja
Publication of JPS60229499A publication Critical patent/JPS60229499A/ja
Publication of JPH0252917B2 publication Critical patent/JPH0252917B2/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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP59085452A 1984-04-26 1984-04-26 平面スピ−カ Granted JPS60229499A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59085452A JPS60229499A (ja) 1984-04-26 1984-04-26 平面スピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59085452A JPS60229499A (ja) 1984-04-26 1984-04-26 平面スピ−カ

Publications (2)

Publication Number Publication Date
JPS60229499A true JPS60229499A (ja) 1985-11-14
JPH0252917B2 JPH0252917B2 (enrdf_load_stackoverflow) 1990-11-15

Family

ID=13859271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59085452A Granted JPS60229499A (ja) 1984-04-26 1984-04-26 平面スピ−カ

Country Status (1)

Country Link
JP (1) JPS60229499A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734781U (enrdf_load_stackoverflow) * 1980-08-01 1982-02-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734781U (enrdf_load_stackoverflow) * 1980-08-01 1982-02-24

Also Published As

Publication number Publication date
JPH0252917B2 (enrdf_load_stackoverflow) 1990-11-15

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