JPS5963398U - Piezoelectric speaker drive circuit - Google Patents
Piezoelectric speaker drive circuitInfo
- Publication number
- JPS5963398U JPS5963398U JP15797082U JP15797082U JPS5963398U JP S5963398 U JPS5963398 U JP S5963398U JP 15797082 U JP15797082 U JP 15797082U JP 15797082 U JP15797082 U JP 15797082U JP S5963398 U JPS5963398 U JP S5963398U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric speaker
- drive circuit
- speaker drive
- audio frequency
- frequency signals
- 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
- Piezo-Electric Transducers For Audible Bands (AREA)
- Amplifiers (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図は従来例を示す圧電型スピーカ駆動回路の回路図
、第2図、第3図は第1図の回路動作を説明するための
波形図、第4図は本考案の一実施例を示す回路図、第5
図、第6図は第4図の回路動作を説明するための波形図
である。
6・・・・・・ゲート、?、13,15・・・・・・ド
ライバ、8・・・・・・コンデンサ、9・・・・・・電
池、10.14・・・・・・インバータ、11・・・・
・・FET、12・・・・・・レベル変換器、16・・
・・・・圧電型スピーカ。Fig. 1 is a circuit diagram of a piezoelectric speaker drive circuit showing a conventional example, Figs. 2 and 3 are waveform diagrams for explaining the circuit operation of Fig. 1, and Fig. 4 is an example of an embodiment of the present invention. Circuit diagram shown, 5th
6 are waveform diagrams for explaining the circuit operation of FIG. 4. 6...Gate? , 13, 15... Driver, 8... Capacitor, 9... Battery, 10.14... Inverter, 11...
...FET, 12...Level converter, 16...
...Piezoelectric speaker.
Claims (3)
の出力信号により一端を駆動される昇圧用コンデンサと
、前記コンデンサの他端と、電源の一方との間に接続さ
れたスイッチング素子と、前記コンデンサの昇圧出力を
新たな電源とし、前記ふたつの可聴周波数信号の一方を
入力とし、発音時逆相て動作するふたつのドライバとを
有し、前記ふたつのドライバ出力間に圧電型スピーカを
接続したことを特徴とする圧電型スピーカ駆動回路。(1) a boosting capacitor whose one end is driven by an output signal of a gate circuit that inputs two audio frequency signals; a switching element connected between the other end of the capacitor and one of the power sources; The step-up output of the capacitor is used as a new power source, one of the two audio frequency signals is used as an input, and the device has two drivers that operate in opposite phases during sound generation, and a piezoelectric speaker is connected between the outputs of the two drivers. A piezoelectric speaker drive circuit characterized by:
クスクルシブ、オア、ゲートであることを特徴とする実
用新案登録請求の範囲第1項記載の圧電型スピーカ駆動
回路。(2) The piezoelectric speaker drive circuit according to claim 1, wherein the gate receiving two audio frequency signals is an exclusive, OR, gate.
あることを特徴とする実用新案登録請求の範囲第1項及
び第2項記載の圧電型スピーカ駆動回路。(3) The piezoelectric speaker drive circuit according to claims 1 and 2, wherein the circuit elements have a complementary MO3 (CMO3) configuration.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15797082U JPS5963398U (en) | 1982-10-19 | 1982-10-19 | Piezoelectric speaker drive circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15797082U JPS5963398U (en) | 1982-10-19 | 1982-10-19 | Piezoelectric speaker drive circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5963398U true JPS5963398U (en) | 1984-04-26 |
Family
ID=30348127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15797082U Pending JPS5963398U (en) | 1982-10-19 | 1982-10-19 | Piezoelectric speaker drive circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5963398U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0626486A (en) * | 1993-06-16 | 1994-02-01 | Komatsu Zenoah Co | Crushing pump |
JP2008522227A (en) * | 2004-12-01 | 2008-06-26 | アスラブ・エス アー | How to generate polyphonic sounds |
JP2016109704A (en) * | 2014-12-02 | 2016-06-20 | マツダ株式会社 | Method and device for producing chord-generating digital signal |
JP2016148705A (en) * | 2015-02-10 | 2016-08-18 | マツダ株式会社 | Chord digital signal generation method and generation device |
-
1982
- 1982-10-19 JP JP15797082U patent/JPS5963398U/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0626486A (en) * | 1993-06-16 | 1994-02-01 | Komatsu Zenoah Co | Crushing pump |
JP2008522227A (en) * | 2004-12-01 | 2008-06-26 | アスラブ・エス アー | How to generate polyphonic sounds |
KR101233004B1 (en) * | 2004-12-01 | 2013-02-13 | 아스라브 쏘시에떼 아노님 | Polyphonic sound generating method |
JP2016109704A (en) * | 2014-12-02 | 2016-06-20 | マツダ株式会社 | Method and device for producing chord-generating digital signal |
JP2016148705A (en) * | 2015-02-10 | 2016-08-18 | マツダ株式会社 | Chord digital signal generation method and generation device |
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