JPH0471098U - - Google Patents

Info

Publication number
JPH0471098U
JPH0471098U JP11433590U JP11433590U JPH0471098U JP H0471098 U JPH0471098 U JP H0471098U JP 11433590 U JP11433590 U JP 11433590U JP 11433590 U JP11433590 U JP 11433590U JP H0471098 U JPH0471098 U JP H0471098U
Authority
JP
Japan
Prior art keywords
section
diaphragm
voice coil
deposited film
coil bobbin
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.)
Pending
Application number
JP11433590U
Other languages
English (en)
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 filed Critical
Priority to JP11433590U priority Critical patent/JPH0471098U/ja
Publication of JPH0471098U publication Critical patent/JPH0471098U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係るスピーカ振動板の実施例
を示す概略断面図、第2図は熱プラズマCVD法
におけるプラズマ発生装置の概略図である。第3
図Aは従来のドーム型振動板の断面図、第3図B
は我々が先に提案したドーム型振動板の断面図で
ある。 A……スピーカ振動板全体、1……振動板部、
2……コイル部、3……ボイスコイルボビン部、
4……エツジ部、6……蒸着膜。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 振動板部1とこれと一体成形されたボイスコ
    イルボビン部3とこのボイスコイルボビン部に形
    成されたコイル部2とからなるドーム型振動板A
    において、 振動板部1及び該振動板部から少なくとも上記
    コイル部2の上端部を覆うように無機質材による
    蒸着膜6が形成されていることを特徴とするスピ
    ーカ振動板。 2 蒸着膜6が非晶質ダイヤモンド膜又は結晶質
    ダイヤモンド膜であることを特徴とする請求項1
    記載のスピーカ振動板。
JP11433590U 1990-10-31 1990-10-31 Pending JPH0471098U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11433590U JPH0471098U (ja) 1990-10-31 1990-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11433590U JPH0471098U (ja) 1990-10-31 1990-10-31

Publications (1)

Publication Number Publication Date
JPH0471098U true JPH0471098U (ja) 1992-06-23

Family

ID=31862010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11433590U Pending JPH0471098U (ja) 1990-10-31 1990-10-31

Country Status (1)

Country Link
JP (1) JPH0471098U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217298B2 (ja) * 1977-07-01 1987-04-16 Tomuson Sa
JPS6424600A (en) * 1987-07-20 1989-01-26 Matsushita Electric Industrial Co Ltd Diaphragm for loudspeaker
JPH01282999A (ja) * 1988-05-09 1989-11-14 Kenwood Corp 音響用振動板及びその製造法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6217298B2 (ja) * 1977-07-01 1987-04-16 Tomuson Sa
JPS6424600A (en) * 1987-07-20 1989-01-26 Matsushita Electric Industrial Co Ltd Diaphragm for loudspeaker
JPH01282999A (ja) * 1988-05-09 1989-11-14 Kenwood Corp 音響用振動板及びその製造法

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