JPS5412287A - Piezo-elecric vibrator - Google Patents

Piezo-elecric vibrator

Info

Publication number
JPS5412287A
JPS5412287A JP7731277A JP7731277A JPS5412287A JP S5412287 A JPS5412287 A JP S5412287A JP 7731277 A JP7731277 A JP 7731277A JP 7731277 A JP7731277 A JP 7731277A JP S5412287 A JPS5412287 A JP S5412287A
Authority
JP
Japan
Prior art keywords
elecric
piezo
vibrator
contributing
capacitor
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
JP7731277A
Other languages
Japanese (ja)
Inventor
Akihito Kudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP7731277A priority Critical patent/JPS5412287A/en
Publication of JPS5412287A publication Critical patent/JPS5412287A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To readily perform frequency adjustment, etc. by providing electrodes which give action as a capacitor to the front and back of the portions not contributing to excitation separately from deriving electrode patterns.
JP7731277A 1977-06-28 1977-06-28 Piezo-elecric vibrator Pending JPS5412287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7731277A JPS5412287A (en) 1977-06-28 1977-06-28 Piezo-elecric vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7731277A JPS5412287A (en) 1977-06-28 1977-06-28 Piezo-elecric vibrator

Publications (1)

Publication Number Publication Date
JPS5412287A true JPS5412287A (en) 1979-01-29

Family

ID=13630387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7731277A Pending JPS5412287A (en) 1977-06-28 1977-06-28 Piezo-elecric vibrator

Country Status (1)

Country Link
JP (1) JPS5412287A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376919A (en) * 1979-10-16 1983-03-15 Seikosha Co., Ltd. Circuitry for switching effective electrode area on a crystal in a crystal oscillator to vary the oscillation frequency
US4379244A (en) * 1979-08-31 1983-04-05 Ebauches, S.A. Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out
FR2648642A1 (en) * 1989-06-14 1990-12-21 Murata Manufacturing Co PIEZOELECTRIC RESONATOR DEVICE
JPH033835U (en) * 1989-06-02 1991-01-16
JP2009207022A (en) * 2008-02-29 2009-09-10 Nippon Dempa Kogyo Co Ltd Piezoelectric vibration piece, piezoelectric device, and frequency adjusting method of tuning-fork piezoelectric vibrator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379244A (en) * 1979-08-31 1983-04-05 Ebauches, S.A. Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out
US4376919A (en) * 1979-10-16 1983-03-15 Seikosha Co., Ltd. Circuitry for switching effective electrode area on a crystal in a crystal oscillator to vary the oscillation frequency
JPH033835U (en) * 1989-06-02 1991-01-16
FR2648642A1 (en) * 1989-06-14 1990-12-21 Murata Manufacturing Co PIEZOELECTRIC RESONATOR DEVICE
JP2009207022A (en) * 2008-02-29 2009-09-10 Nippon Dempa Kogyo Co Ltd Piezoelectric vibration piece, piezoelectric device, and frequency adjusting method of tuning-fork piezoelectric vibrator

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