JPS5343515A - Diaphragm for speaker - Google Patents

Diaphragm for speaker

Info

Publication number
JPS5343515A
JPS5343515A JP11811076A JP11811076A JPS5343515A JP S5343515 A JPS5343515 A JP S5343515A JP 11811076 A JP11811076 A JP 11811076A JP 11811076 A JP11811076 A JP 11811076A JP S5343515 A JPS5343515 A JP S5343515A
Authority
JP
Japan
Prior art keywords
diaphragm
speaker
polybisphenol
specific
resin 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.)
Granted
Application number
JP11811076A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5546113B2 (enExample
Inventor
Kosaku Murata
Satoshi Takayama
Hirotoshi Niiguchi
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 JP11811076A priority Critical patent/JPS5343515A/ja
Priority to CA287,292A priority patent/CA1092746A/en
Priority to US05/836,734 priority patent/US4173701A/en
Priority to GB40218/77A priority patent/GB1575549A/en
Priority to DE2743640A priority patent/DE2743640C3/de
Publication of JPS5343515A publication Critical patent/JPS5343515A/ja
Publication of JPS5546113B2 publication Critical patent/JPS5546113B2/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)
JP11811076A 1976-09-30 1976-09-30 Diaphragm for speaker Granted JPS5343515A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP11811076A JPS5343515A (en) 1976-09-30 1976-09-30 Diaphragm for speaker
CA287,292A CA1092746A (en) 1976-09-30 1977-09-22 Speaker diaphragm
US05/836,734 US4173701A (en) 1976-09-30 1977-09-26 Speaker diaphragm molded from poly-biphenol phthalate type resin film
GB40218/77A GB1575549A (en) 1976-09-30 1977-09-27 Speaker diaphragm
DE2743640A DE2743640C3 (de) 1976-09-30 1977-09-28 Lautsprechermembran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11811076A JPS5343515A (en) 1976-09-30 1976-09-30 Diaphragm for speaker

Publications (2)

Publication Number Publication Date
JPS5343515A true JPS5343515A (en) 1978-04-19
JPS5546113B2 JPS5546113B2 (enExample) 1980-11-21

Family

ID=14728260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11811076A Granted JPS5343515A (en) 1976-09-30 1976-09-30 Diaphragm for speaker

Country Status (5)

Country Link
US (1) US4173701A (enExample)
JP (1) JPS5343515A (enExample)
CA (1) CA1092746A (enExample)
DE (1) DE2743640C3 (enExample)
GB (1) GB1575549A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897999A (ja) * 1981-12-07 1983-06-10 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JP2005531731A (ja) * 2002-06-28 2005-10-20 ロフォ・ハイ・テク・フィルム・ゲーエムベーハー 流延ポリアリーレートフィルムで作られたダイヤフラム

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330662A (en) * 1980-10-27 1982-05-18 The Dow Chemical Company Ordered copolyestercarbonate resins
JPS57199397A (en) * 1981-06-01 1982-12-07 Pioneer Electronic Corp Diaphragm with flame resistance
JPS5871798A (ja) * 1981-10-26 1983-04-28 Sony Corp ダイナミツク型ヘツドホン
US4487877A (en) * 1981-12-07 1984-12-11 Matsushita Electric Industrial Co., Ltd. Diaphragm for loudspeaker
DE3507726A1 (de) * 1985-03-05 1986-09-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Membran fuer planarlautsprecher
US4903308A (en) * 1988-02-10 1990-02-20 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US5198624A (en) * 1988-02-10 1993-03-30 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
DE3831706A1 (de) * 1988-09-17 1990-03-22 Bayer Ag Membran fuer lautsprecher

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1446866A (en) * 1972-10-18 1976-08-18 Turner Machinery Ltd Arena-measruing machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897999A (ja) * 1981-12-07 1983-06-10 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JP2005531731A (ja) * 2002-06-28 2005-10-20 ロフォ・ハイ・テク・フィルム・ゲーエムベーハー 流延ポリアリーレートフィルムで作られたダイヤフラム

Also Published As

Publication number Publication date
GB1575549A (en) 1980-09-24
JPS5546113B2 (enExample) 1980-11-21
CA1092746A (en) 1980-12-30
DE2743640B2 (de) 1979-07-05
DE2743640C3 (de) 1980-03-13
US4173701A (en) 1979-11-06
DE2743640A1 (de) 1978-04-06

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