JPS5238916A - Mthod of producing vibration board for speaker - Google Patents

Mthod of producing vibration board for speaker

Info

Publication number
JPS5238916A
JPS5238916A JP11519575A JP11519575A JPS5238916A JP S5238916 A JPS5238916 A JP S5238916A JP 11519575 A JP11519575 A JP 11519575A JP 11519575 A JP11519575 A JP 11519575A JP S5238916 A JPS5238916 A JP S5238916A
Authority
JP
Japan
Prior art keywords
mthod
speaker
vibration board
producing vibration
paper
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
JP11519575A
Other languages
Japanese (ja)
Other versions
JPS5746718B2 (en
Inventor
Masahiro Saito
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP11519575A priority Critical patent/JPS5238916A/en
Publication of JPS5238916A publication Critical patent/JPS5238916A/en
Publication of JPS5746718B2 publication Critical patent/JPS5746718B2/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)

Abstract

PURPOSE:To improve the strenght of paper so as to maintain a good flame retardation quality of flame retarding pulp by adding a cationic nutral sizing agent to the mixture of certain synthetic fibers and cellulose phosphate in making paper.
JP11519575A 1975-09-23 1975-09-23 Mthod of producing vibration board for speaker Granted JPS5238916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11519575A JPS5238916A (en) 1975-09-23 1975-09-23 Mthod of producing vibration board for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11519575A JPS5238916A (en) 1975-09-23 1975-09-23 Mthod of producing vibration board for speaker

Publications (2)

Publication Number Publication Date
JPS5238916A true JPS5238916A (en) 1977-03-25
JPS5746718B2 JPS5746718B2 (en) 1982-10-05

Family

ID=14656698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11519575A Granted JPS5238916A (en) 1975-09-23 1975-09-23 Mthod of producing vibration board for speaker

Country Status (1)

Country Link
JP (1) JPS5238916A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315820A (en) * 1976-07-28 1978-02-14 Pioneer Electronic Corp Flame resisting vibrator plate
JPS53137130A (en) * 1977-05-06 1978-11-30 Pioneer Electronic Corp Flameeretarding colored member for loudspeaker and method of making said member

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315820A (en) * 1976-07-28 1978-02-14 Pioneer Electronic Corp Flame resisting vibrator plate
JPS6012840B2 (en) * 1976-07-28 1985-04-03 パイオニア株式会社 flame retardant diaphragm
JPS53137130A (en) * 1977-05-06 1978-11-30 Pioneer Electronic Corp Flameeretarding colored member for loudspeaker and method of making said member

Also Published As

Publication number Publication date
JPS5746718B2 (en) 1982-10-05

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