JPS5279751A - Period adjustment of oscillator circuit for crystal watch - Google Patents

Period adjustment of oscillator circuit for crystal watch

Info

Publication number
JPS5279751A
JPS5279751A JP15755375A JP15755375A JPS5279751A JP S5279751 A JPS5279751 A JP S5279751A JP 15755375 A JP15755375 A JP 15755375A JP 15755375 A JP15755375 A JP 15755375A JP S5279751 A JPS5279751 A JP S5279751A
Authority
JP
Japan
Prior art keywords
oscillator circuit
period adjustment
crystal watch
crystal vibrator
crystal
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
JP15755375A
Other languages
Japanese (ja)
Inventor
Michiaki Takagi
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15755375A priority Critical patent/JPS5279751A/en
Publication of JPS5279751A publication Critical patent/JPS5279751A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Abstract

PURPOSE:The permissible range of frequency adjustment by capacitors which employ a crystal vibrator having a crystal vibrator having a large cpacitsnce ratio is widened and the logic period adjustment system is used in combination, so that the permissible frequency range of the crystal vibrator can be widened.
JP15755375A 1975-12-26 1975-12-26 Period adjustment of oscillator circuit for crystal watch Pending JPS5279751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15755375A JPS5279751A (en) 1975-12-26 1975-12-26 Period adjustment of oscillator circuit for crystal watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15755375A JPS5279751A (en) 1975-12-26 1975-12-26 Period adjustment of oscillator circuit for crystal watch

Publications (1)

Publication Number Publication Date
JPS5279751A true JPS5279751A (en) 1977-07-05

Family

ID=15652188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15755375A Pending JPS5279751A (en) 1975-12-26 1975-12-26 Period adjustment of oscillator circuit for crystal watch

Country Status (1)

Country Link
JP (1) JPS5279751A (en)

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