JPH045318B2 - - Google Patents

Info

Publication number
JPH045318B2
JPH045318B2 JP4349682A JP4349682A JPH045318B2 JP H045318 B2 JPH045318 B2 JP H045318B2 JP 4349682 A JP4349682 A JP 4349682A JP 4349682 A JP4349682 A JP 4349682A JP H045318 B2 JPH045318 B2 JP H045318B2
Authority
JP
Japan
Prior art keywords
boron
core
diaphragm
substrate
film
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.)
Expired
Application number
JP4349682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58161497A (ja
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 filed Critical
Priority to JP57043496A priority Critical patent/JPS58161497A/ja
Priority to EP83102526A priority patent/EP0089054B1/en
Priority to DE8383102526T priority patent/DE3379210D1/de
Priority to US06/475,965 priority patent/US4512435A/en
Publication of JPS58161497A publication Critical patent/JPS58161497A/ja
Publication of JPH045318B2 publication Critical patent/JPH045318B2/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)
JP57043496A 1982-03-16 1982-03-17 スピ−カ用振動板およびその製造方法 Granted JPS58161497A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57043496A JPS58161497A (ja) 1982-03-17 1982-03-17 スピ−カ用振動板およびその製造方法
EP83102526A EP0089054B1 (en) 1982-03-16 1983-03-15 Diaphragm for loudspeakers
DE8383102526T DE3379210D1 (en) 1982-03-16 1983-03-15 Diaphragm for loudspeakers
US06/475,965 US4512435A (en) 1982-03-16 1983-03-16 Diaphragm for loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57043496A JPS58161497A (ja) 1982-03-17 1982-03-17 スピ−カ用振動板およびその製造方法

Publications (2)

Publication Number Publication Date
JPS58161497A JPS58161497A (ja) 1983-09-26
JPH045318B2 true JPH045318B2 (enrdf_load_stackoverflow) 1992-01-31

Family

ID=12665317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57043496A Granted JPS58161497A (ja) 1982-03-16 1982-03-17 スピ−カ用振動板およびその製造方法

Country Status (1)

Country Link
JP (1) JPS58161497A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS58161497A (ja) 1983-09-26

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