JPS542088A - Composite piezo electric oscillator unit - Google Patents

Composite piezo electric oscillator unit

Info

Publication number
JPS542088A
JPS542088A JP6691077A JP6691077A JPS542088A JP S542088 A JPS542088 A JP S542088A JP 6691077 A JP6691077 A JP 6691077A JP 6691077 A JP6691077 A JP 6691077A JP S542088 A JPS542088 A JP S542088A
Authority
JP
Japan
Prior art keywords
piezo electric
oscillator unit
electric oscillator
composite piezo
composite
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
JP6691077A
Other languages
Japanese (ja)
Inventor
Seiji Higashichi
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 JP6691077A priority Critical patent/JPS542088A/en
Publication of JPS542088A publication Critical patent/JPS542088A/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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02086—Means for compensation or elimination of undesirable effects
    • H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence

Landscapes

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

Abstract

PURPOSE:To enable high accuracy, by increasing the shock-proof and the long-term reliability of a self-temperature compensation composite piezo electric oscilaltor, through separate air-sealing for a plurality of piezo electric oscillators, in electronic watches.
JP6691077A 1977-06-07 1977-06-07 Composite piezo electric oscillator unit Pending JPS542088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6691077A JPS542088A (en) 1977-06-07 1977-06-07 Composite piezo electric oscillator unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6691077A JPS542088A (en) 1977-06-07 1977-06-07 Composite piezo electric oscillator unit

Publications (1)

Publication Number Publication Date
JPS542088A true JPS542088A (en) 1979-01-09

Family

ID=13329584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6691077A Pending JPS542088A (en) 1977-06-07 1977-06-07 Composite piezo electric oscillator unit

Country Status (1)

Country Link
JP (1) JPS542088A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865486A (en) * 1981-10-15 1983-04-19 ヤマハ株式会社 Electronic musical instrument
JPS60147792A (en) * 1984-01-11 1985-08-03 カシオ計算機株式会社 Frequency control system for electronic musical instrument
JPS60156096A (en) * 1983-11-15 1985-08-16 マンフレツド・クラインズ Computerized composing apparatus
JPS60174326U (en) * 1984-04-27 1985-11-19 キンセキ株式会社 Small piezoelectric vibrator
JPS6132896A (en) * 1984-07-25 1986-02-15 カシオ計算機株式会社 Frequency control system for electronic musical instrument

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865486A (en) * 1981-10-15 1983-04-19 ヤマハ株式会社 Electronic musical instrument
JPH0213319B2 (en) * 1981-10-15 1990-04-03 Yamaha Corp
JPS60156096A (en) * 1983-11-15 1985-08-16 マンフレツド・クラインズ Computerized composing apparatus
JPS60147792A (en) * 1984-01-11 1985-08-03 カシオ計算機株式会社 Frequency control system for electronic musical instrument
JPH0467199B2 (en) * 1984-01-11 1992-10-27 Casio Computer Co Ltd
JPS60174326U (en) * 1984-04-27 1985-11-19 キンセキ株式会社 Small piezoelectric vibrator
JPH0450651Y2 (en) * 1984-04-27 1992-11-30
JPS6132896A (en) * 1984-07-25 1986-02-15 カシオ計算機株式会社 Frequency control system for electronic musical instrument
JPH0468639B2 (en) * 1984-07-25 1992-11-02 Casio Computer Co Ltd

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