JPH042298A - Transparent speaker - Google Patents
Transparent speakerInfo
- Publication number
- JPH042298A JPH042298A JP10432990A JP10432990A JPH042298A JP H042298 A JPH042298 A JP H042298A JP 10432990 A JP10432990 A JP 10432990A JP 10432990 A JP10432990 A JP 10432990A JP H042298 A JPH042298 A JP H042298A
- Authority
- JP
- Japan
- Prior art keywords
- transparent
- speaker
- diaphragm
- transparent electrode
- glass
- 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
Links
- 239000011521 glass Substances 0.000 claims abstract description 19
- 239000010409 thin film Substances 0.000 claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910003327 LiNbO3 Inorganic materials 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
【発明の詳細な説明】
利用産業分野
この発明は、透明圧電磁器を振動子として用いた薄膜状
の透明スピーカーに係り、透明電極を着設した透明圧電
磁器を、ユニモルフ型またはバイモルフ型に振動板に着
設した構成となし、窓ガラス、ドアー、壁、装飾品等、
種々の物品をスピーカとして形成できる透明スピーカー
に関する。Detailed Description of the Invention Field of Application This invention relates to a thin-film transparent speaker using a transparent piezoelectric ceramic as a vibrator. Structures and components installed in the interior, windows, doors, walls, decorations, etc.
The present invention relates to a transparent speaker that can be formed from various articles as speakers.
背景技術
スピーカーは、一般に永久磁石を用いた磁気回路で、所
謂コーン紙を振動させる構成からなり、大きく重いもの
であり、特に振動方向の寸法が大きかった。BACKGROUND TECHNOLOGY Speakers generally have a structure in which a so-called paper cone is vibrated using a magnetic circuit using a permanent magnet, and are large and heavy, especially in the direction of vibration.
薄型のスピーカーとして、コーン紙を平板に変えたもの
もあるが、所謂ボイスコイル部は如何んともし難く、さ
らに薄型を目的にリボン型、圧電型などのフラットタイ
プが提案されているが、いずれもスピーカーユニットの
質量そのものが大きく、所Ｍスピーカーボックスなるユ
ニットの支持体が不可欠である。There are some thin speakers that replace cone paper with a flat plate, but the so-called voice coil section is difficult to do anything about, and flat types such as ribbon types and piezoelectric types have been proposed to make them even thinner, but eventually Also, the mass of the speaker unit itself is large, and a support for the unit called the M speaker box is essential.
従って、従来スピーカーは何らかのスピーカーボックス
を有しており、その存在形態は種々のカモフラーシュを
施してもスピーカーそのものであり、例えば、窓ガラス
、ドアー、壁や、室内の調度品がスピーカーと一体化さ
れることはなかった。Therefore, conventional speakers have some kind of speaker box, and even if they are covered with various camouflages, they are still speakers themselves.For example, windows, doors, walls, and indoor furniture are integrated with the speakers. It never happened.
この発明は、上述の現状に鑑み、建築物、調度品、装飾
品等の種々物品が本来の機能のままスピーカーの機能を
付加できるスピーカーの提供を目自勺としている。In view of the above-mentioned current situation, the present invention aims to provide a speaker that can add speaker functions to various articles such as buildings, furniture, decorations, etc. while maintaining their original functions.
発明の概要
この発明は、種々物品が本来の機能を有したままスピー
カーの機能を付加できるスピーカーの構成を目的に種々
検討した結果、透明スピーカーであれば、前記種々物品
にスピーカーの機能を付加できることに着目し、薄膜状
の透明スピーカーが得られる構造について、さらに検討
した結果、ガラスやプラスチックスの薄膜にＰＬＺＴ等
の透明圧電磁器をユニモルフ型またはバイモルフ型に着
設することにより、すぐれた特性の透明スピーカーが得
られることを知見し、この発明を完成した。Summary of the Invention As a result of various studies aimed at constructing a speaker that can add a speaker function to various articles while retaining their original functions, the present invention has revealed that the speaker function can be added to various articles as long as they are transparent speakers. Focusing on this, we further investigated the structure of obtaining a thin-film transparent speaker, and found that by attaching transparent piezoelectric ceramics such as PLZT to a thin film of glass or plastic in a unimorph or bimorph type, it was possible to achieve excellent characteristics. He discovered that a transparent speaker could be obtained and completed this invention.
すなわち、この発明は、
透明電極を着設した透明圧電磁器を、ユニモルフ型また
はバイモルフ型に振動板に着設したことを特徴とする透
明スピーカーである。That is, the present invention is a transparent speaker characterized in that a transparent piezoelectric ceramic having a transparent electrode attached thereto is attached to a diaphragm in a unimorph type or bimorph type.
また、この発明は、前記構成において、−人捜動板にガ
ラスまたはプラスチックス薄膜を用いて、該薄膜からな
る一次振動板を二次振動板に着設したことをａｍとする
透明スピーカーである。Further, the present invention provides a transparent speaker having the above-mentioned structure, in which - a glass or plastics thin film is used for the human search plate, and a primary diaphragm made of the thin film is attached to a secondary diaphragm. .
発明の構成
この発明において、透明圧電磁器には、ＰＬＺＴ（Ｐｂ
−Ｌａ−Ｚｒ−Ｔｉ系磁器）のほか、ＬｉＮｂＯ３、Ｂ
ｉ１２Ｓｉ２０等が利用できる。Structure of the Invention In this invention, the transparent piezoelectric ceramic contains PLZT (Pb
-La-Zr-Ti porcelain), LiNbO3, B
i12Si20 etc. can be used.
この発明において、透明電極には、ＩｎＯ３と５ｎ０２
との混合材が利用できる。In this invention, the transparent electrode includes InO3 and 5n02.
Mixed materials with can be used.
透明圧電磁器をユニモルフ型またはバイモルフ型に着設
する振動板には、該圧電磁器で駆動可能で振動板に成り
得るものであれば、公知の何れの物品でも利用できる。As the diaphragm on which the transparent piezoelectric ceramic is attached in a unimorph or bimorph type, any known article can be used as long as it can be driven by the piezoelectric ceramic and can be used as a diaphragm.
前記の種々物品に着設するため、薄膜からなる一次振動
板に透明圧電磁器をユニモルフ型またはバイモルフ型に
着設するが、薄膜状の一次振動板には、ガラスまたはプ
ラスチックス薄膜が最適であり、ガラスには、ソーダガ
ラスなど公知のガラスが、また、プラスチックスには、
アクリルなど公知の合成樹脂材等が適宜選定利用できる
。Transparent piezoelectric ceramics are attached to a primary diaphragm made of a thin film in a unimorph or bimorph type in order to be attached to the various articles mentioned above, but glass or plastic thin films are most suitable for the thin film primary diaphragm. Glass includes well-known glasses such as soda glass, and plastics include
Known synthetic resin materials such as acrylic can be appropriately selected and used.
この発明による透明スピーカーは、透明圧電磁器、透明
電極、−人捜動板の何れもが薄膜として利用できるため
、極めて薄くでき、透明圧電磁器の好ましい厚みは、５
０〜５００ｐｍ、さらに好ましくは１００１１ｍ、程度
であり、透明電極は５００〜１００ＯＡの厚みが好まし
く、さらに−人捜動板は、５０〜５００ｐｍの厚みが好
ましく、さらに好ましくは１１００ｐ程度であるが、−
人捜動板の材質や寸法、加工性、共振周波数、入力電圧
などの諸条件に応じて適宜選定する必要がある。The transparent speaker according to the present invention can be made extremely thin because the transparent piezoelectric ceramic, the transparent electrode, and the human search plate can all be used as thin films, and the preferred thickness of the transparent piezoelectric ceramic is 5.
The transparent electrode preferably has a thickness of 500 to 100 OA, and the human search plate preferably has a thickness of 50 to 500 pm, more preferably about 1100 p, but -
It is necessary to select an appropriate selection according to various conditions such as the material, dimensions, workability, resonance frequency, and input voltage of the human search plate.
また、この発明による透明スピーカーは、所要のアンプ
等にて駆動するため、透明電極に所要のリード線を接続
するが、透明スピーカーとしての特質を生かすため、着
設する物品の形状、模様等に応じてカモフラーシュして
使用する必要があり、できるだけ透明電極を用いて引き
回しを行うことが望ましく、また、導電性透明樹脂また
は透明電極を透明フィルムや透明板に着設して引き回し
を行う等の方法が適宜利用できる。In addition, the transparent speaker according to the present invention is driven by a required amplifier, etc., so necessary lead wires are connected to the transparent electrode. It is necessary to use it with camouflage depending on the situation, and it is desirable to use transparent electrodes for routing as much as possible.Also, methods such as attaching conductive transparent resin or transparent electrodes to transparent films or transparent plates for routing, etc. can be used as appropriate.
図面に基づ〈発明の開示
第１図ａ、ｂ、第２図ａ、ｂ、第３図ａ、ｂ、第４図ａ
、ｂはこの発明による透明スピーカーの正面図と側面説
明図である。Based on the drawings <Disclosure of the invention Fig. 1 a, b, Fig. 2 a, b, Fig. 3 a, b, Fig. 4 a
, b are a front view and a side view of a transparent speaker according to the present invention.
第５図ａ、ｂ、ｃ、ｄはこの発明による透明スピーカー
の使用状態を示す説明図である。FIGS. 5a, b, c, and d are explanatory diagrams showing how the transparent speaker according to the present invention is used.
構成１
第１図ａ、ｂに示すユニモルフ型は、円形のガラス薄膜
振動板（１）に透明電極（２）を着設し、透明圧電磁器
として両面に透明電極（２）を設けた円形のＰＬＺＴ（
３）を着設した構成からなる。Configuration 1 The unimorph type shown in Figure 1a and b has a circular glass thin film diaphragm (1) with transparent electrodes (2) attached to it, and a circular glass thin film diaphragm (1) with transparent electrodes (2) on both sides as a transparent piezoelectric ceramic. PLZT(
3).
上記構成からなるスピーカーユニット（１０）は、−人
捜動板としてガラス薄膜を用いたもので、これを所要の
スピーカーボックス、バッフルに貼着して使用すること
ができ、また、第５図Ｃに示す如く、小物入れ（１３）
などに貼着してスピーカーボックスとすることができる
。The speaker unit (10) having the above configuration uses a thin glass film as a person-searching plate, and can be used by attaching it to a required speaker box or baffle. As shown in the accessory case (13)
It can be attached to other objects to create a speaker box.
また、第５図ａに示す如く、ガラスドア（１１）、窓ガ
ラス等に貼着して使用すると、視界が遮られることもな
く、全くスピーカーユニットが認識されない状態で、例
えば、アナウンススピーカーと１゜て使用することがで
きる。In addition, as shown in Figure 5a, when used by pasting it on a glass door (11), windowpane, etc., the view is not obstructed and the speaker unit is not recognized at all. It can be used at any time.
構成２
第１図ａ、ｂに示すユニモルフ型は、−枚の円形のＰＬ
ＺＴ（３）を用いた例を示したが、形状やＰＬＺＴの数
は使用形態等に応じて適宜選定できる。Configuration 2 The unimorph type shown in Figures 1a and b has -circular PL
Although an example using ZT(3) has been shown, the shape and the number of PLZTs can be appropriately selected depending on the mode of use and the like.
第２図ａ、ｂに示すユニモルフ型は、矩形のガラス薄膜
振動板（１１）に透明電極（２）を着設し、さらに、両
面に透明電極（２）を設けた４個の円形のＰＬＺＴ（３
）を矩形板の振動節部に着設した構成からなる。ここで
はＰＬＺＴ（３）に種々直径のものを用いたが、振動板
や振動節等に応じて、同一直径のものを用いたり、寸法
を適宜選定できる。The unimorph type shown in FIGS. 2a and 2b has a rectangular glass thin film diaphragm (11) with transparent electrodes (2) attached thereto, and four circular PLZTs with transparent electrodes (2) on both sides. (3
) is attached to the vibration node of a rectangular plate. Although PLZTs (3) of various diameters were used here, PLZTs (3) of the same diameter may be used or the dimensions may be appropriately selected depending on the diaphragm, vibration node, etc.
構成３
第３図ａ、ｂに示すバイモルフ型は、両面に透明電極（
２）を着設した二枚の円形のＰＬＺＴ（３）を張り合わ
せた構成からなり、例えば、自動車等の窓ガラス、第５
図すに示す如き木製ドアー（１２）に貼着して、透明ス
ピーカーとして利用することができる。Configuration 3 The bimorph type shown in Figure 3a and b has transparent electrodes (
It consists of two circular PLZT sheets (3) attached with
It can be used as a transparent speaker by pasting it on a wooden door (12) as shown in the figure.
構成４
第４図ａ、ｂに示すバイモルフ型は、透明電極（２）を
着設した円形のガラス薄膜振動板（１２）の表裏面に、
それぞれ円形のＰＬＺＴ（３）を張り合わせた構成から
なり、前述の各積用とのほか、例えば、第５図ｄに示す
如く、ガラス薄膜振動板（１２）の円周部を支持部とし
てバッフル（１４）の孔部（１５）に着設置ることがで
きる。Configuration 4 The bimorph type shown in FIGS. 4a and 4b has transparent electrodes (2) mounted on the front and back surfaces of a circular glass thin film diaphragm (12).
Each of them has a structure in which circular PLZT (3) are pasted together, and in addition to the above-mentioned stacks, for example, as shown in FIG. 5d, a baffle ( 14) can be installed in the hole (15).
実施例
組成、ＬａＪＺｒ／Ｔｉの比が、８／６５／３５のＰＬ
ＺＴを用い、厚さ１００μｍ、直径６０ｍｍとなし、両
面に透明電極を１００ＯＡの厚みに蒸着した後、分極し
た。Example composition: PL with a LaJZr/Ti ratio of 8/65/35
Using ZT, it was made to have a thickness of 100 μm and a diameter of 60 mm, transparent electrodes were deposited on both sides to a thickness of 100 OA, and then polarized.
振動板に厚さ１１００ｐ、直径１００ｍｍのソーダガラ
スを用いて、所要片面に透明電極を１００ＯＡの厚みに
蒸着した。A soda glass having a thickness of 1100p and a diameter of 100mm was used for the diaphragm, and a transparent electrode was vapor-deposited on one side to a thickness of 100OA.
上記振動板にＰＬＺＴを接着剤で同心に張り合わせて、
この発明による透明スピーカーを作製した。Attach PLZT concentrically to the above diaphragm with adhesive,
A transparent speaker according to this invention was manufactured.
得られた透明スピーカーは、極めて効能率であり、極値
かな入力電圧から５■で作動し、単体としては勿論のこ
と十分な音楽用スピーカーとして機能し、さらに、ガラ
ス製や木製の板材及び箱に貼着した場合も同様にスピー
カーとして機能した。The obtained transparent speaker has extremely high efficiency, operates in 5μ from an input voltage of an extreme value, functions not only as a standalone speaker but also as a sufficient music speaker, and can also be used with glass or wooden boards and boxes. It also functioned as a speaker when attached to the .
第１図ａ、ｂ、第２図ａ、ｂ、第３図ａ、ｂ、第４図ａ
、ｂはこの発明による透明スピーカーの正面図と側面説
明図である。
第５図ａ、ｂ、ｃ、ｄはこの発明による透明スピーカー
の使用状態を示す説明図である。
Ｌｌｌ、１２・・・ガラス薄膜振動板、２・・・透明電
極、３・・・ＰＬＺＴ、１０・・・スピーカーユニット
、１１・・・ガラスドア、１２・・・木製ドア、１３・
・・小物入れ、１４・・・バッフル、１５・・・孔部。Figure 1 a, b, Figure 2 a, b, Figure 3 a, b, Figure 4 a
, b are a front view and a side view of a transparent speaker according to the present invention. FIGS. 5a, b, c, and d are explanatory diagrams showing how the transparent speaker according to the present invention is used. Lll, 12... Glass thin film diaphragm, 2... Transparent electrode, 3... PLZT, 10... Speaker unit, 11... Glass door, 12... Wooden door, 13...
... accessory case, 14... baffle, 15... hole.
Claims (1)
はバイモルフ型に振動板に着設したことを特徴とする透
明スピーカー。 ２ 一次振動板にガラスまたはプラスチックス薄膜を用いて
、該薄膜からなる一次振動板を二次振動板に着設したこ
とを特徴とする請求項１記載の透明スピーカー。[Claims] 1. A transparent speaker characterized in that a transparent piezoelectric ceramic having a transparent electrode attached thereto is attached to a diaphragm in a unimorph or bimorph shape. 2. The transparent speaker according to claim 1, wherein a glass or plastic thin film is used for the primary diaphragm, and the primary diaphragm made of the thin film is attached to the secondary diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10432990A JPH042298A (en) | 1990-04-18 | 1990-04-18 | Transparent speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10432990A JPH042298A (en) | 1990-04-18 | 1990-04-18 | Transparent speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042298A true JPH042298A (en) | 1992-01-07 |
Family
ID=14377898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10432990A Pending JPH042298A (en) | 1990-04-18 | 1990-04-18 | Transparent speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042298A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1107641A2 (en) * | 1999-12-02 | 2001-06-13 | Nokia Mobile Phones Ltd. | Audio transducers |
| JP2010004868A (en) * | 2008-05-30 | 2010-01-14 | Ccs Inc | Culturing system for aquatic photosynthesizing organism |
| KR102110416B1 (en) * | 2019-07-18 | 2020-05-13 | 한국세라믹기술원 | Flexible glass vibration acoustic speaker and its manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644000B2 (en) * | 1978-06-16 | 1981-10-16 | ||
| JPS56152399A (en) * | 1980-04-25 | 1981-11-25 | Hitachi Ltd | Transparent plane plate speaker |
| JPS61166300A (en) * | 1985-01-18 | 1986-07-26 | Mitsubishi Rayon Co Ltd | Piezoelectric speaker |
-
1990
- 1990-04-18 JP JP10432990A patent/JPH042298A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5644000B2 (en) * | 1978-06-16 | 1981-10-16 | ||
| JPS56152399A (en) * | 1980-04-25 | 1981-11-25 | Hitachi Ltd | Transparent plane plate speaker |
| JPS61166300A (en) * | 1985-01-18 | 1986-07-26 | Mitsubishi Rayon Co Ltd | Piezoelectric speaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1107641A2 (en) * | 1999-12-02 | 2001-06-13 | Nokia Mobile Phones Ltd. | Audio transducers |
| EP1107641A3 (en) * | 1999-12-02 | 2008-04-16 | Nokia Corporation | Audio transducers |
| JP2010004868A (en) * | 2008-05-30 | 2010-01-14 | Ccs Inc | Culturing system for aquatic photosynthesizing organism |
| KR102110416B1 (en) * | 2019-07-18 | 2020-05-13 | 한국세라믹기술원 | Flexible glass vibration acoustic speaker and its manufacturing method |
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