JPS5956990U - Piezoelectric vibrator drive circuit - Google Patents

Piezoelectric vibrator drive circuit

Info

Publication number
JPS5956990U
JPS5956990U JP15166482U JP15166482U JPS5956990U JP S5956990 U JPS5956990 U JP S5956990U JP 15166482 U JP15166482 U JP 15166482U JP 15166482 U JP15166482 U JP 15166482U JP S5956990 U JPS5956990 U JP S5956990U
Authority
JP
Japan
Prior art keywords
piezoelectric vibrator
output
pass filter
low
drive 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
Application number
JP15166482U
Other languages
Japanese (ja)
Inventor
重久 丸山
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP15166482U priority Critical patent/JPS5956990U/en
Publication of JPS5956990U publication Critical patent/JPS5956990U/en
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Oscillators With Electromechanical Resonators (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

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

第1図は従来の駆動回路の一例を示すブロック図、第2
図は本考案の実施例を示すブロック図、第3図は第2図
のローパスフィルタ6の実施例を示す回路図である。 なお図面に用いられた符号において、2・・・・・・電
流検出抵抗、3,6・・・・・田−パスフィルタ、4・
・・・・・移相回路、5.7・・・・・・アンプである
Figure 1 is a block diagram showing an example of a conventional drive circuit, Figure 2 is a block diagram showing an example of a conventional drive circuit.
The figure is a block diagram showing an embodiment of the present invention, and FIG. 3 is a circuit diagram showing an embodiment of the low-pass filter 6 of FIG. In addition, in the symbols used in the drawings, 2... current detection resistor, 3, 6... field-pass filter, 4...
...Phase shift circuit, 5.7...Amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧電振動子の出力が加えられこの出力からノイズを除去
する第1のローパスフィルタと、この第1のローパスフ
ィルタの出力を位相補償する移相回路と、この移相回路
の出力を増巾する飽和状態で動作される第1の増巾器と
、この増巾出力から基体波成分のみを通過させ名第2の
ローパスフィルタと、この第2のローパスフィルタの出
力を増巾して上記圧電振動子に加える第2の増巾器とか
ら成る圧電振動子の駆動回路。
a first low-pass filter to which the output of the piezoelectric vibrator is applied and removes noise from the output; a phase shift circuit that compensates the phase of the output of the first low-pass filter; and a saturation circuit that amplifies the output of the phase shift circuit. a first amplifier that is operated in the above-mentioned state; a second low-pass filter that passes only the fundamental wave component from the amplified output; and a second low-pass filter that amplifies the output of the second low-pass filter and transmits the above-mentioned piezoelectric vibrator. a piezoelectric vibrator drive circuit comprising: a second amplifier added to the piezoelectric vibrator;
JP15166482U 1982-10-06 1982-10-06 Piezoelectric vibrator drive circuit Pending JPS5956990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15166482U JPS5956990U (en) 1982-10-06 1982-10-06 Piezoelectric vibrator drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15166482U JPS5956990U (en) 1982-10-06 1982-10-06 Piezoelectric vibrator drive circuit

Publications (1)

Publication Number Publication Date
JPS5956990U true JPS5956990U (en) 1984-04-13

Family

ID=30336023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15166482U Pending JPS5956990U (en) 1982-10-06 1982-10-06 Piezoelectric vibrator drive circuit

Country Status (1)

Country Link
JP (1) JPS5956990U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016009869A1 (en) * 2014-07-14 2016-01-21 株式会社村田製作所 Piezoelectric element driving circuit and suction device
WO2016031365A1 (en) * 2014-08-29 2016-03-03 株式会社村田製作所 Oscillator circuit and oscillator circuit driving method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5495195A (en) * 1978-01-09 1979-07-27 Singer Co Piezooelectric actuator for ring laser gyroscope

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5495195A (en) * 1978-01-09 1979-07-27 Singer Co Piezooelectric actuator for ring laser gyroscope

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016009869A1 (en) * 2014-07-14 2016-01-21 株式会社村田製作所 Piezoelectric element driving circuit and suction device
JPWO2016009869A1 (en) * 2014-07-14 2017-04-27 株式会社村田製作所 Drive circuit and suction device for piezoelectric element
US10511236B2 (en) 2014-07-14 2019-12-17 Murata Manufacturing Co., Ltd. Piezoelectric device drive circuit and suction apparatus
WO2016031365A1 (en) * 2014-08-29 2016-03-03 株式会社村田製作所 Oscillator circuit and oscillator circuit driving method
CN106794488A (en) * 2014-08-29 2017-05-31 株式会社村田制作所 The driving method of oscillating circuit and oscillating circuit
JPWO2016031365A1 (en) * 2014-08-29 2017-06-15 株式会社村田製作所 Oscillation circuit and driving method of oscillation circuit
CN106794488B (en) * 2014-08-29 2019-07-05 株式会社村田制作所 The driving method of oscillating circuit and oscillating circuit
US10461697B2 (en) 2014-08-29 2019-10-29 Murata Manufacturing Co., Ltd. Oscillation circuit and oscillation-circuit driving method

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