JPH02100395U - - Google Patents

Info

Publication number
JPH02100395U
JPH02100395U JP767889U JP767889U JPH02100395U JP H02100395 U JPH02100395 U JP H02100395U JP 767889 U JP767889 U JP 767889U JP 767889 U JP767889 U JP 767889U JP H02100395 U JPH02100395 U JP H02100395U
Authority
JP
Japan
Prior art keywords
diaphragm
speaker
nitride
oxide
inorganic material
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
JP767889U
Other languages
Japanese (ja)
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 JP767889U priority Critical patent/JPH02100395U/ja
Publication of JPH02100395U publication Critical patent/JPH02100395U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図乃至第3図はこの考案に係るスピーカの
振動板の実施例を示し、第1図は断面図、第2図
は他の実施例の断面図、第3図はイオンプレーテ
イング装置の構成図である。第4図は従来の実施
例を示す断面図である。 主な符号の説明、1:振動板、2:表面層。
1 to 3 show an embodiment of a speaker diaphragm according to this invention, FIG. 1 is a sectional view, FIG. 2 is a sectional view of another embodiment, and FIG. 3 is an ion plating device. FIG. FIG. 4 is a sectional view showing a conventional embodiment. Explanation of main symbols: 1: diaphragm, 2: surface layer.

Claims (1)

【実用新案登録請求の範囲】 1 金属材料からなるスピーカの振動板において
、 前記振動板をアルミニウム系の吸振合金で構成
したことを特徴とするスピーカの振動板。 2 振動板の少くとも一方の面に炭化物系無機材
料の炭化珪素SICまたは炭化ホウ素BCまた
は炭素Cまたは非晶質炭素と微細結晶ダイヤモン
ドとの硬質炭素膜からなる表面層を形成したこと
を特徴とする請求項1記載のスピーカの振動板。 3 振動板の少くとも一方の面に窒化物系無機質
材料である窒化ホウ素BNまたは窒化チタンTi
Nまたは窒化珪素Siを表面層として形成
したことを特徴とする請求項1記載のスピーカの
振動板。 4 振動板の少くとも一方の面に酸化物系無機材
料である酸化アルミニウムAIまたは酸化
ホウ素Bまたは酸化チタンTiOを表面
層として形成したことを特徴とする請求項1記載
のスピーカの振動板。
[Claims for Utility Model Registration] 1. A diaphragm for a speaker made of a metal material, characterized in that the diaphragm is made of an aluminum-based vibration-absorbing alloy. 2. A surface layer consisting of a carbide-based inorganic material silicon carbide SIC, boron carbide B 4 C, carbon C, or a hard carbon film of amorphous carbon and microcrystalline diamond is formed on at least one surface of the diaphragm. A diaphragm for a speaker according to claim 1. 3 At least one surface of the diaphragm is coated with boron nitride BN or titanium nitride Ti, which is a nitride-based inorganic material.
2. The speaker diaphragm according to claim 1, wherein the surface layer is made of N or silicon nitride Si3N4 . 4. Claim 1, wherein an oxide- based inorganic material such as aluminum oxide AI2O3 , boron oxide B4O2 , or titanium oxide TiO2 is formed as a surface layer on at least one surface of the diaphragm. speaker diaphragm.
JP767889U 1989-01-27 1989-01-27 Pending JPH02100395U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP767889U JPH02100395U (en) 1989-01-27 1989-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP767889U JPH02100395U (en) 1989-01-27 1989-01-27

Publications (1)

Publication Number Publication Date
JPH02100395U true JPH02100395U (en) 1990-08-09

Family

ID=31212897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP767889U Pending JPH02100395U (en) 1989-01-27 1989-01-27

Country Status (1)

Country Link
JP (1) JPH02100395U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007068018A (en) * 2005-09-01 2007-03-15 Pioneer Electronic Corp Structural component for speaker device and speaker device
US9438997B2 (en) 2012-12-14 2016-09-06 Panasonic Intellectual Property Management Co., Ltd. Diaphragm, loudspeaker using diaphragm, electronic device and mobile device using loudspeaker, and method for producing diaphragm

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265419A (en) * 1975-11-26 1977-05-30 Denki Kagaku Kogyo Kk Method of producing speaker vibrator plate
JPS6217298B2 (en) * 1977-07-01 1987-04-16 Tomuson Sa
JPH01256879A (en) * 1988-04-07 1989-10-13 Sony Corp Camera system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265419A (en) * 1975-11-26 1977-05-30 Denki Kagaku Kogyo Kk Method of producing speaker vibrator plate
JPS6217298B2 (en) * 1977-07-01 1987-04-16 Tomuson Sa
JPH01256879A (en) * 1988-04-07 1989-10-13 Sony Corp Camera system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007068018A (en) * 2005-09-01 2007-03-15 Pioneer Electronic Corp Structural component for speaker device and speaker device
US9438997B2 (en) 2012-12-14 2016-09-06 Panasonic Intellectual Property Management Co., Ltd. Diaphragm, loudspeaker using diaphragm, electronic device and mobile device using loudspeaker, and method for producing diaphragm

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