JPS62198791U - - Google Patents
Info
- Publication number
- JPS62198791U JPS62198791U JP8544286U JP8544286U JPS62198791U JP S62198791 U JPS62198791 U JP S62198791U JP 8544286 U JP8544286 U JP 8544286U JP 8544286 U JP8544286 U JP 8544286U JP S62198791 U JPS62198791 U JP S62198791U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier circuit
- piezoelectric buzzer
- inverting amplifier
- push
- circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electromechanical Clocks (AREA)
Description
第１図はこの考案の一実施例を示す回路構成図
、第２図は同実施例の駆動信号発生部より出力さ
れる駆動信号の波形図、第３図は同実施例により
得られる出力波形図である。
１１……駆動信号発生部、１２……反転増幅回
路、１３……非反転増幅回路、１４……プツシユ
プル駆動回路、１５……圧電ブザー、１６……コ
ンデンサ。
Fig. 1 is a circuit configuration diagram showing an embodiment of this invention, Fig. 2 is a waveform diagram of a drive signal output from the drive signal generating section of the same embodiment, and Fig. 3 is an output waveform obtained by the same embodiment. It is a diagram. DESCRIPTION OF SYMBOLS 11... Drive signal generation part, 12... Inverting amplifier circuit, 13... Non-inverting amplifier circuit, 14... Push-pull drive circuit, 15... Piezoelectric buzzer, 16... Capacitor.
Claims (1)
の出力を反転増幅回路および非反転増幅回路を有
するプツシユプル駆動回路にて増幅し圧電ブザー
に与えるようにした圧電ブザー駆動装置において
、上記プツシユプル駆動回路の反転増幅回路と上
記信号発生部の間に直流カツト用コンデンサを接
続し、上記反転増幅回路での入力基準レベルによ
る影響を取除くようにしたことを特徴とする圧電
ブザー駆動装置。 In a piezoelectric buzzer drive device in which an output from a signal generation section that generates a piezoelectric buzzer drive signal is amplified by a push-pull drive circuit having an inverting amplifier circuit and a non-inverting amplifier circuit and then applied to the piezoelectric buzzer, an inversion of the push-pull drive circuit described above is provided. A piezoelectric buzzer drive device, characterized in that a DC cutting capacitor is connected between the amplifier circuit and the signal generating section to remove the influence of the input reference level in the inverting amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8544286U JPS62198791U (en) | 1986-06-06 | 1986-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8544286U JPS62198791U (en) | 1986-06-06 | 1986-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198791U true JPS62198791U (en) | 1987-12-17 |
Family
ID=30940850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8544286U Pending JPS62198791U (en) | 1986-06-06 | 1986-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198791U (en) |
-
1986
- 1986-06-06 JP JP8544286U patent/JPS62198791U/ja active Pending
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