JPS5963398U - Piezoelectric speaker drive circuit - Google Patents

Piezoelectric speaker drive circuit

Info

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
Application number
JP15797082U
Other languages
Japanese (ja)
Inventor
進 藤田
Original Assignee
セイコーインスツルメンツ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by セイコーインスツルメンツ株式会社 filed Critical セイコーインスツルメンツ株式会社
Priority to JP15797082U priority Critical patent/JPS5963398U/en
Publication of JPS5963398U publication Critical patent/JPS5963398U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)ふたつの可聴周波数信号を入力とするゲート回路
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:
(2)ふたつの可聴周波数信号を入力とするゲートはエ
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.
(3)  回路素子が相補型MO3(CMO3)構成で
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.
JP15797082U 1982-10-19 1982-10-19 Piezoelectric speaker drive circuit Pending JPS5963398U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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