JPS5553995A - Diaphragm for acoustic apparatus - Google Patents

Diaphragm for acoustic apparatus

Info

Publication number
JPS5553995A
JPS5553995A JP12816878A JP12816878A JPS5553995A JP S5553995 A JPS5553995 A JP S5553995A JP 12816878 A JP12816878 A JP 12816878A JP 12816878 A JP12816878 A JP 12816878A JP S5553995 A JPS5553995 A JP S5553995A
Authority
JP
Japan
Prior art keywords
fiber
diaphragm
synthetic pulp
elastic modulus
synthetic
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
JP12816878A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5740718B2 (show.php
Inventor
Hirotoshi Niiguchi
Mitsuru Yashiro
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 JP12816878A priority Critical patent/JPS5553995A/ja
Priority to DE2941644A priority patent/DE2941644C2/de
Priority to GB7935835A priority patent/GB2037122B/en
Priority to US06/085,204 priority patent/US4291781A/en
Publication of JPS5553995A publication Critical patent/JPS5553995A/ja
Publication of JPS5740718B2 publication Critical patent/JPS5740718B2/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)
JP12816878A 1978-10-17 1978-10-17 Diaphragm for acoustic apparatus Granted JPS5553995A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12816878A JPS5553995A (en) 1978-10-17 1978-10-17 Diaphragm for acoustic apparatus
DE2941644A DE2941644C2 (de) 1978-10-17 1979-10-15 Lautsprechermembran und Verfahren zu ihrer Herstellung
GB7935835A GB2037122B (en) 1978-10-17 1979-10-16 Speaker diaphragm and method of preparation of the same
US06/085,204 US4291781A (en) 1978-10-17 1979-10-16 Speaker diaphragm and method of preparation of the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12816878A JPS5553995A (en) 1978-10-17 1978-10-17 Diaphragm for acoustic apparatus

Publications (2)

Publication Number Publication Date
JPS5553995A true JPS5553995A (en) 1980-04-19
JPS5740718B2 JPS5740718B2 (show.php) 1982-08-30

Family

ID=14978071

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12816878A Granted JPS5553995A (en) 1978-10-17 1978-10-17 Diaphragm for acoustic apparatus

Country Status (1)

Country Link
JP (1) JPS5553995A (show.php)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359132A (en) * 1981-05-14 1982-11-16 Albany International Corp. High performance speaker diaphragm
JPS5833397A (ja) * 1981-08-20 1983-02-26 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS5839197A (ja) * 1981-09-01 1983-03-07 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS5869196A (ja) * 1981-10-20 1983-04-25 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPWO2020170999A1 (ja) * 2019-02-19 2021-09-30 ジュアールジャパン株式会社 針状根管治療具と歯科治療器具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895817A (show.php) * 1972-03-18 1973-12-08
JPS5046123A (show.php) * 1973-08-27 1975-04-24
JPS5255518A (en) * 1975-10-31 1977-05-07 Fuji Photo Film Co Ltd Production of speaker cone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895817A (show.php) * 1972-03-18 1973-12-08
JPS5046123A (show.php) * 1973-08-27 1975-04-24
JPS5255518A (en) * 1975-10-31 1977-05-07 Fuji Photo Film Co Ltd Production of speaker cone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359132A (en) * 1981-05-14 1982-11-16 Albany International Corp. High performance speaker diaphragm
JPS5833397A (ja) * 1981-08-20 1983-02-26 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS5839197A (ja) * 1981-09-01 1983-03-07 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS5869196A (ja) * 1981-10-20 1983-04-25 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPWO2020170999A1 (ja) * 2019-02-19 2021-09-30 ジュアールジャパン株式会社 針状根管治療具と歯科治療器具

Also Published As

Publication number Publication date
JPS5740718B2 (show.php) 1982-08-30

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