JPS52121317A - Production of diaphragm for speakers - Google Patents

Production of diaphragm for speakers

Info

Publication number
JPS52121317A
JPS52121317A JP3896876A JP3896876A JPS52121317A JP S52121317 A JPS52121317 A JP S52121317A JP 3896876 A JP3896876 A JP 3896876A JP 3896876 A JP3896876 A JP 3896876A JP S52121317 A JPS52121317 A JP S52121317A
Authority
JP
Japan
Prior art keywords
diaphragm
speakers
production
thinning
elasticity
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
JP3896876A
Other languages
Japanese (ja)
Other versions
JPS5616999B2 (en
Inventor
Hideaki Inoue
Hiroshi Takeuchi
Hideji Kawabata
Keizo Ishiwatari
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 JP3896876A priority Critical patent/JPS52121317A/en
Priority to CA275,411A priority patent/CA1087105A/en
Publication of JPS52121317A publication Critical patent/JPS52121317A/en
Publication of JPS5616999B2 publication Critical patent/JPS5616999B2/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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

PURPOSE:Higher modulus of elasticity and lighter weight are achieved by thinning the metal foil base material of a diaphragm shape which forms a boron layer.
JP3896876A 1976-04-06 1976-04-06 Production of diaphragm for speakers Granted JPS52121317A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3896876A JPS52121317A (en) 1976-04-06 1976-04-06 Production of diaphragm for speakers
CA275,411A CA1087105A (en) 1976-04-06 1977-04-04 Speaker diaphragm and method of making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3896876A JPS52121317A (en) 1976-04-06 1976-04-06 Production of diaphragm for speakers

Publications (2)

Publication Number Publication Date
JPS52121317A true JPS52121317A (en) 1977-10-12
JPS5616999B2 JPS5616999B2 (en) 1981-04-20

Family

ID=12539949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3896876A Granted JPS52121317A (en) 1976-04-06 1976-04-06 Production of diaphragm for speakers

Country Status (1)

Country Link
JP (1) JPS52121317A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02294747A (en) * 1989-05-09 1990-12-05 Nec Corp Intra-device monitoring system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112131A (en) * 1974-07-19 1976-01-30 Matsushita Electric Ind Co Ltd SUPIIKAYOSHINDOBAN
JPS51135525A (en) * 1975-05-19 1976-11-24 Matsushita Electric Ind Co Ltd Manufacturing method of dome type diaphragm for speaker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5112131A (en) * 1974-07-19 1976-01-30 Matsushita Electric Ind Co Ltd SUPIIKAYOSHINDOBAN
JPS51135525A (en) * 1975-05-19 1976-11-24 Matsushita Electric Ind Co Ltd Manufacturing method of dome type diaphragm for speaker

Also Published As

Publication number Publication date
JPS5616999B2 (en) 1981-04-20

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