JPS6048191U - Electronic clock with liquid pressure gauge - Google Patents
Electronic clock with liquid pressure gaugeInfo
- Publication number
- JPS6048191U JPS6048191U JP10740484U JP10740484U JPS6048191U JP S6048191 U JPS6048191 U JP S6048191U JP 10740484 U JP10740484 U JP 10740484U JP 10740484 U JP10740484 U JP 10740484U JP S6048191 U JPS6048191 U JP S6048191U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- pressure gauge
- liquid pressure
- electronic clock
- boost coil
- 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.)
- Granted
Links
Landscapes
- Electric Clocks (AREA)
- Measuring Fluid Pressure (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に用いられた圧電ブザーの構造断面図、
第２図は第１図の圧電素子の斜視図である。第３図は圧
電素子が駆動された状態を示す断面図、第４図は第３図
で振動板に外圧が加わった場合を示す断面図である。第
５図は圧電素子の駆動回路図、第６図イ、ｏ、ハは第５
図の各素子の作動状態の説明図である。第７図は圧電素
子印加電圧を変化させるためのトランジスタ入力信号パ
ルス列図である。第８−ａ図、第８−ｂ図は圧電素子上
の検出電極の電圧発生の様子の説明図、第９図は本発明
の回路ブロック図である。
１・・・・・・裏ブタ、２・・・・・・振動板、３・・
・・・・圧電素子、４・・・・・・保持部材、５・・・
・・・放音穴、６・・・・・・駆動電極、７・・・・・
・検出電極、８・・・・・・接続端子、１１・・・・・
・トリガー回路、１２・・・・・・パルス回路、１３・
・曲カウンタ回路、１４・・・・・・デコーダ回路、１
５・・・・・・表示装置、２１・・・・・・圧電素子、
２２・・・・・・振動板、２３・・・・・・駆動電極、
２４・・・・・・検出電極、２５・・・・・・コイル、
２６・・・・・・トランジスタ、２７・・・・・・抵抗
、２８・・・・・・電源、３０・・・・・・外圧。
Ｓへａ／２８
１ ９Ｈ’ １
２１ノ
第５図 −Figure 1 is a cross-sectional view of the structure of the piezoelectric buzzer used in the present invention.
FIG. 2 is a perspective view of the piezoelectric element of FIG. 1. FIG. 3 is a cross-sectional view showing a state in which the piezoelectric element is driven, and FIG. 4 is a cross-sectional view showing a case in which external pressure is applied to the diaphragm in FIG. 3. Figure 5 is a drive circuit diagram of the piezoelectric element, Figure 6 A, O, and C are the 5th
It is an explanatory view of the operating state of each element of a figure. FIG. 7 is a diagram of a transistor input signal pulse train for changing the voltage applied to the piezoelectric element. FIGS. 8-a and 8-b are explanatory diagrams of how voltage is generated at the detection electrode on the piezoelectric element, and FIG. 9 is a circuit block diagram of the present invention. 1... Back cover, 2... Vibration plate, 3...
...Piezoelectric element, 4...Holding member, 5...
... Sound emission hole, 6 ... Drive electrode, 7 ...
・Detection electrode, 8... Connection terminal, 11...
・Trigger circuit, 12... Pulse circuit, 13.
・Song counter circuit, 14...decoder circuit, 1
5... Display device, 21... Piezoelectric element,
22... Vibration plate, 23... Drive electrode,
24...detection electrode, 25...coil,
26...Transistor, 27...Resistor, 28...Power supply, 30...External pressure. To S a/28 1 9H' 1 21 no Figure 5 -
Claims (1)
己誘導電圧を圧電素子に印加して圧電素子の変形を生せ
しめる構造の圧電ブザーを有する電子時計において、該
昇圧コイルに印加するパルス電圧は、複数の異なるパル
ス幅を備え、該複数のパルス幅の出力に連動するカウン
ター回路を少なくとも備えたことを特徴とする圧力計。In an electronic watch that includes a piezoelectric buzzer that includes a piezoelectric element and a boost coil, and has a structure in which a self-induced voltage generated in the boost coil is applied to the piezoelectric element to cause deformation of the piezoelectric element, the pulse voltage applied to the boost coil is A pressure gauge comprising a plurality of different pulse widths and at least a counter circuit interlocked with the output of the plurality of pulse widths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10740484U JPS6048191U (en) | 1984-07-16 | 1984-07-16 | Electronic clock with liquid pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10740484U JPS6048191U (en) | 1984-07-16 | 1984-07-16 | Electronic clock with liquid pressure gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6048191U true JPS6048191U (en) | 1985-04-04 |
| JPS6229982Y2 JPS6229982Y2 (en) | 1987-08-01 |
Family
ID=30250965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10740484U Granted JPS6048191U (en) | 1984-07-16 | 1984-07-16 | Electronic clock with liquid pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6048191U (en) |
-
1984
- 1984-07-16 JP JP10740484U patent/JPS6048191U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6229982Y2 (en) | 1987-08-01 |
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