JPS52119220A - Diaphragm for speakers - Google Patents

Diaphragm for speakers

Info

Publication number
JPS52119220A
JPS52119220A JP3536276A JP3536276A JPS52119220A JP S52119220 A JPS52119220 A JP S52119220A JP 3536276 A JP3536276 A JP 3536276A JP 3536276 A JP3536276 A JP 3536276A JP S52119220 A JPS52119220 A JP S52119220A
Authority
JP
Japan
Prior art keywords
diaphragm
speakers
lightweight
core
metal
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
JP3536276A
Other languages
Japanese (ja)
Other versions
JPS5756839B2 (en
Inventor
Takashi Higaki
Yasuo Furuhashi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3536276A priority Critical patent/JPS52119220A/en
Publication of JPS52119220A publication Critical patent/JPS52119220A/en
Publication of JPS5756839B2 publication Critical patent/JPS5756839B2/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
    • 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)
  • Laminated Bodies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

PURPOSE:To obtain a lightweight and highly rigid diaphragm by laminating hollow balls, as a core, between thin boards of metal, etc.
JP3536276A 1976-03-31 1976-03-31 Diaphragm for speakers Granted JPS52119220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3536276A JPS52119220A (en) 1976-03-31 1976-03-31 Diaphragm for speakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3536276A JPS52119220A (en) 1976-03-31 1976-03-31 Diaphragm for speakers

Publications (2)

Publication Number Publication Date
JPS52119220A true JPS52119220A (en) 1977-10-06
JPS5756839B2 JPS5756839B2 (en) 1982-12-01

Family

ID=12439768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3536276A Granted JPS52119220A (en) 1976-03-31 1976-03-31 Diaphragm for speakers

Country Status (1)

Country Link
JP (1) JPS52119220A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343931U (en) * 1976-09-18 1978-04-14
CN107215037A (en) * 2017-07-03 2017-09-29 燕山大学 A kind of preparation method of metal hollow ball cell structure sandwich plate

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108113U (en) * 1976-02-13 1977-08-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52108113U (en) * 1976-02-13 1977-08-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343931U (en) * 1976-09-18 1978-04-14
CN107215037A (en) * 2017-07-03 2017-09-29 燕山大学 A kind of preparation method of metal hollow ball cell structure sandwich plate

Also Published As

Publication number Publication date
JPS5756839B2 (en) 1982-12-01

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