JPS5845596U - Piezoelectric buzzer structure for electronic wristwatches - Google Patents
Piezoelectric buzzer structure for electronic wristwatchesInfo
- Publication number
- JPS5845596U JPS5845596U JP14130381U JP14130381U JPS5845596U JP S5845596 U JPS5845596 U JP S5845596U JP 14130381 U JP14130381 U JP 14130381U JP 14130381 U JP14130381 U JP 14130381U JP S5845596 U JPS5845596 U JP S5845596U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric buzzer
- piezoelectric
- buzzer structure
- piezoelectric element
- diagram showing
- 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
Landscapes
- Electromechanical Clocks (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図：裏ブタを駆動するタイプの圧電ブザーの基本的
な構造例を示す図、第２図：昇圧駆動回路を示す図、第
３図：昇圧駆動回路におけるトランジスタのベース電圧
波形（３−Ｉ）、昇圧用コイルに流れ込む電流波形（３
−ＩＩ）、圧電素子間の電圧波形（３−ＩＩＩ）を示す
図、第４図：プッシュプル駆動回路を示す図、第５図：
圧電ブザーと接点バネ部の拡大図、第６図：プッシュプ
ル駆動において、電流の流れる様子を示した図、（６−
Ｉは図中Ｃ点がＨの場合、６−ＩＩは０点がＬの場合）
、□第７図：プッシュプル駆動した場合における圧電ブ
ザー３点側の電圧波形（７−Ｉ、電源■側をグランド）
、ｂ点側の電圧波形（７−ＩＩ 、電源■側をグランド
）、圧電ブザー両端（ａ、 ｂ間）の電圧波形（７−
３）を示す図。第８図：本考案の一実施例を示す図。第
９Ｎ：本考案の絶縁板構造を示す図。
第１０Ｎ：本考案の他の実施例を示す図。第１１図：裏
ブタを駆動するタイマプの圧電ブザー発のブザー構造へ
の本考案の応用例を示す図。
ここに、１・・・・・・裏ブタ、２・・・・・・圧電素
子、′３・・・・・・圧電素子ムーブメント側電極との
接点バネ、４・・・・・・圧電素子塵ブタ側電極との接
点バネ、５・・・・・・パツキン、６・・・・・・外装
ケース胴、７・・・・・・カバーガラス、８・・・・・
仏−ブメント、９・・・・・・昇圧用コイル、１０・・
・・・・圧電ブザー、１１・・・・・・ＮＰＮ ）ラン
ジスタ、１２・・・・・・Ｐチャンネル、１３・・・・
・・Ｐチャンネル、１４・・・・・・Ｎチャンネル、１
５・・・・・・Ｎチャンネル、１６・・・・・・プッシ
ュプル駆動回路内を流れる電流、１７・・・・・・絶縁
板、１８・・・・・・接着層、１９・・・・・・絶縁板
の絶縁層、２０・・・・・・絶縁板の導伝層、２１・・
・・・・金属振動板、２２・・・・・・放音穴。
第 ２ 回
−１
！Ａ ３ ２ η
／ ／に
Ｓ
／ ／Figure 1: A diagram showing a basic structure example of a type of piezoelectric buzzer that drives the back cover, Figure 2: A diagram showing a boost drive circuit, Figure 3: Base voltage waveform of a transistor in a boost drive circuit (3- I), current waveform flowing into the boost coil (3
-II), a diagram showing the voltage waveform (3-III) between the piezoelectric elements, Fig. 4: a diagram showing the push-pull drive circuit, Fig. 5:
Enlarged view of piezoelectric buzzer and contact spring part, Figure 6: Diagram showing how current flows in push-pull drive, (6-
I is when point C in the figure is H, 6-II is when point 0 is L)
, □Figure 7: Voltage waveform on the 3-point side of the piezoelectric buzzer in the case of push-pull drive (7-I, power supply ■ side is grounded)
, the voltage waveform on the side of point b (7-II, the power supply ■ side is grounded), the voltage waveform on both ends of the piezoelectric buzzer (between a and b) (7-
3). FIG. 8: A diagram showing an embodiment of the present invention. 9th N: A diagram showing the insulating plate structure of the present invention. No. 10N: A diagram showing another embodiment of the present invention. FIG. 11: A diagram showing an example of application of the present invention to a buzzer structure emitting a piezoelectric buzzer of a time map that drives a back cover. Here, 1...back cover, 2...piezoelectric element, '3...contact spring with piezoelectric element movement side electrode, 4...piezoelectric element Contact spring with dust pan side electrode, 5... Packing, 6... Exterior case body, 7... Cover glass, 8...
French-bument, 9... Boosting coil, 10...
...Piezoelectric buzzer, 11...NPN) transistor, 12...P channel, 13...
...P channel, 14...N channel, 1
5... N channel, 16... Current flowing in the push-pull drive circuit, 17... Insulating plate, 18... Adhesive layer, 19... ... Insulating layer of insulating plate, 20... Conductive layer of insulating board, 21...
...Metal diaphragm, 22...Sound emission hole. Part 2-1! A 3 2 η / / to S / /
Claims (3)
付して構成される圧電ブザーにおいて、前記圧電素子を
絶縁版板を介して前記裏ブタ、あるいは金属振動板に接
着固定したことを特徴とする電子腕時計用圧電ブザー構
造。(1) A piezoelectric buzzer configured by pasting a piezoelectric element on a metal layer cover or a metal vibrator, characterized in that the piezoelectric element is adhesively fixed to the back cover or metal diaphragm via an insulating plate. Piezoelectric buzzer structure for electronic wristwatches.
成したことを特徴とする実用新案登録請求の範囲第１項
記載の電子腕時計用圧電ブザー構造。(2) A piezoelectric buzzer structure for an electronic wristwatch according to claim 1, wherein the surface of the insulating plate that contacts the piezoelectric element is made of a conductive layer.
とする実用新案登録請求の範囲第１項及び第２項記載の
電子腕時計用圧電ブザー構造。(3) The piezoelectric buzzer structure for an electronic wristwatch as set forth in claims 1 and 2 of the utility model registration claim, characterized in that push-pull driving is used as the driving method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14130381U JPS5845596U (en) | 1981-09-22 | 1981-09-22 | Piezoelectric buzzer structure for electronic wristwatches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14130381U JPS5845596U (en) | 1981-09-22 | 1981-09-22 | Piezoelectric buzzer structure for electronic wristwatches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5845596U true JPS5845596U (en) | 1983-03-26 |
Family
ID=29934410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14130381U Pending JPS5845596U (en) | 1981-09-22 | 1981-09-22 | Piezoelectric buzzer structure for electronic wristwatches |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5845596U (en) |
-
1981
- 1981-09-22 JP JP14130381U patent/JPS5845596U/en active Pending
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