JPS6220757B2 - - Google Patents

Info

Publication number
JPS6220757B2
JPS6220757B2 JP19544781A JP19544781A JPS6220757B2 JP S6220757 B2 JPS6220757 B2 JP S6220757B2 JP 19544781 A JP19544781 A JP 19544781A JP 19544781 A JP19544781 A JP 19544781A JP S6220757 B2 JPS6220757 B2 JP S6220757B2
Authority
JP
Japan
Prior art keywords
diaphragm
alloy
film
chemical conversion
chromium compound
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.)
Expired
Application number
JP19544781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5896493A (ja
Inventor
Michizo Saeki
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.)
Onkyo Corp
Original Assignee
Onkyo 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 Onkyo Corp filed Critical Onkyo Corp
Priority to JP19544781A priority Critical patent/JPS5896493A/ja
Publication of JPS5896493A publication Critical patent/JPS5896493A/ja
Publication of JPS6220757B2 publication Critical patent/JPS6220757B2/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; ELECTRIC HEARING AIDS; 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)
JP19544781A 1981-12-03 1981-12-03 電気音響変換器用振動板 Granted JPS5896493A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19544781A JPS5896493A (ja) 1981-12-03 1981-12-03 電気音響変換器用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19544781A JPS5896493A (ja) 1981-12-03 1981-12-03 電気音響変換器用振動板

Publications (2)

Publication Number Publication Date
JPS5896493A JPS5896493A (ja) 1983-06-08
JPS6220757B2 true JPS6220757B2 (enExample) 1987-05-08

Family

ID=16341213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19544781A Granted JPS5896493A (ja) 1981-12-03 1981-12-03 電気音響変換器用振動板

Country Status (1)

Country Link
JP (1) JPS5896493A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007068017A (ja) * 2005-09-01 2007-03-15 Pioneer Electronic Corp スピーカー装置用構成部材及びスピーカー装置
JP2007129536A (ja) * 2005-11-04 2007-05-24 Kenwood Corp 電気音響変換器用振動板、電気音響変換器用振動板の製造方法及び電気音響変換器
JP2008034909A (ja) * 2006-07-26 2008-02-14 Pioneer Electronic Corp スピーカー装置用構成部材及びスピーカー装置

Also Published As

Publication number Publication date
JPS5896493A (ja) 1983-06-08

Similar Documents

Publication Publication Date Title
KR100339001B1 (ko) 증착처리층과점착촉진층을가진금속체
JPS6220757B2 (enExample)
JPS5983765A (ja) めつき密着性の優れた真空蒸着亜鉛めつき鋼板の製造方法
JPH1068087A (ja) プリント回路基板用銅箔およびその製造方法並びに該銅箔を用いた積層体およびプリント回路基板
JPS6335712B2 (enExample)
JPH0480448B2 (enExample)
JPH07116629B2 (ja) 脱脂性に優れたＭｇ含有アルミニウム合金板の製造方法
JP2003258182A (ja) 金属箔の粗化方法及び粗化金属箔
CN115589562A (zh) 一种复合扬声器振膜的制备方法及其相关设备
JPH0145280B2 (enExample)
JPH0472438B2 (enExample)
CN1277447C (zh) 电气设备用部件、电声换能器用部件及其制造方法
JPS6055797A (ja) スピ−カ−用振動板
JPS6216061Y2 (enExample)
JPH01247547A (ja) フッ素樹脂塗装用アルミニウム合金
JPS61284530A (ja) 加工性，接着性，耐蝕性に優れた鋼箔の製造法
US1249414A (en) Process of making talking-machine records.
SU965023A1 (ru) Титанова фольга дл высокомодульной металлической диафрагмы громкоговорител
JPS62193296A (ja) プリント回路用基板およびその製造法
JPS61163271A (ja) スパツタ装置用治具
JPH0428851A (ja) 電解コンデンサー陰極用Ａｌ又はＡｌ合金箔地の製造方法
JP3124546B2 (ja) 複層めっき鋼板
JPS6379996A (ja) りん酸塩処理性に優れた極低炭素鋼板およびその製造方法
JPH0561102B2 (enExample)
JPH1177896A (ja) 絞りしごき加工用ラミネート板及びその製造方法