JPS52154623A - Sound diaphragm - Google Patents

Sound diaphragm

Info

Publication number
JPS52154623A
JPS52154623A JP7233376A JP7233376A JPS52154623A JP S52154623 A JPS52154623 A JP S52154623A JP 7233376 A JP7233376 A JP 7233376A JP 7233376 A JP7233376 A JP 7233376A JP S52154623 A JPS52154623 A JP S52154623A
Authority
JP
Japan
Prior art keywords
sound diaphragm
upto
flatten
young
moderate
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
JP7233376A
Other languages
Japanese (ja)
Other versions
JPS5640559B2 (en
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 JP7233376A priority Critical patent/JPS52154623A/en
Priority to CA278,499A priority patent/CA1098774A/en
Priority to US05/797,408 priority patent/US4140203A/en
Publication of JPS52154623A publication Critical patent/JPS52154623A/en
Publication of JPS5640559B2 publication Critical patent/JPS5640559B2/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 increase the Young's modulus and moderate the internal loss by laminating or coating using a specific elastomer as a base material as well as minimize the divided resonance and flatten the frequency characteristic upto the high pass.
JP7233376A 1976-05-17 1976-06-18 Sound diaphragm Granted JPS52154623A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7233376A JPS52154623A (en) 1976-06-18 1976-06-18 Sound diaphragm
CA278,499A CA1098774A (en) 1976-05-17 1977-05-16 Acoustic diaphragm with polyurethane elastomer coating
US05/797,408 US4140203A (en) 1976-05-17 1977-05-16 Acoustic diaphragm with polyurethane elastomer coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7233376A JPS52154623A (en) 1976-06-18 1976-06-18 Sound diaphragm

Publications (2)

Publication Number Publication Date
JPS52154623A true JPS52154623A (en) 1977-12-22
JPS5640559B2 JPS5640559B2 (en) 1981-09-21

Family

ID=13486247

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7233376A Granted JPS52154623A (en) 1976-05-17 1976-06-18 Sound diaphragm

Country Status (1)

Country Link
JP (1) JPS52154623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004537243A (en) * 2001-07-25 2004-12-09 レーム ゲゼルシャフト ミツト ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト Fabrication of non-planar diaphragm for electroacoustic transducer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118462U (en) * 1982-02-04 1983-08-12 東京書藉株式会社 Math blocks for learning
JPS6378975U (en) * 1986-11-11 1988-05-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141632U (en) * 1976-04-22 1977-10-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141632U (en) * 1976-04-22 1977-10-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004537243A (en) * 2001-07-25 2004-12-09 レーム ゲゼルシャフト ミツト ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト Fabrication of non-planar diaphragm for electroacoustic transducer

Also Published As

Publication number Publication date
JPS5640559B2 (en) 1981-09-21

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