JPS56169940A - Reference pulse generating circuit - Google Patents

Reference pulse generating circuit

Info

Publication number
JPS56169940A
JPS56169940A JP7399280A JP7399280A JPS56169940A JP S56169940 A JPS56169940 A JP S56169940A JP 7399280 A JP7399280 A JP 7399280A JP 7399280 A JP7399280 A JP 7399280A JP S56169940 A JPS56169940 A JP S56169940A
Authority
JP
Japan
Prior art keywords
circuit
frequency
output
oscillator
pulse
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
JP7399280A
Other languages
Japanese (ja)
Inventor
Hiroshi Yamazaki
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.)
Seikosha KK
Original Assignee
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 Seikosha KK filed Critical Seikosha KK
Priority to JP7399280A priority Critical patent/JPS56169940A/en
Publication of JPS56169940A publication Critical patent/JPS56169940A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To obtain the output frequency high in stability with a low consumption current, by operating an oscillating circuit high in frequency stability intermittently and correcting the output frequency of a pulse generating circuit through the use of detected frequency error. CONSTITUTION:A crystal oscillating circuit Q2 is inoperative at all times, and a timing pulse generating circuit T receives an output of a frequency divider circuit D2 adjusted to the objective frequency of a crystal oscillator Q1 and produces the pulse having a short time width every fixed time. Only during the pulse generation, the oscillator Q2 is operated and the frequency difference between Q2 and the oscillator Q1 is taken at an instrument circuit A, desired data conversion is made at a data conversion circuit DT and latching is made in a latch circuit L. A correction circuit B receives an output pulse of the frequency division circuit D2 and this data to correct the output frequency of the oscillator Q1.
JP7399280A 1980-06-02 1980-06-02 Reference pulse generating circuit Pending JPS56169940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7399280A JPS56169940A (en) 1980-06-02 1980-06-02 Reference pulse generating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7399280A JPS56169940A (en) 1980-06-02 1980-06-02 Reference pulse generating circuit

Publications (1)

Publication Number Publication Date
JPS56169940A true JPS56169940A (en) 1981-12-26

Family

ID=13534116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7399280A Pending JPS56169940A (en) 1980-06-02 1980-06-02 Reference pulse generating circuit

Country Status (1)

Country Link
JP (1) JPS56169940A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914428U (en) * 1982-07-17 1984-01-28 オリエント時計株式会社 Frequency divider circuit
JP2014191428A (en) * 2013-03-26 2014-10-06 Seiko Epson Corp Clock generating device, electronic apparatus, movable body, and clock generating method
JP2015088025A (en) * 2013-10-31 2015-05-07 セイコーエプソン株式会社 Clock generator, electronic apparatus, mobile body, and clock generation method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084274A (en) * 1973-11-26 1975-07-08
JPS5349473A (en) * 1976-10-18 1978-05-04 Seiko Epson Corp Electronic timepiece

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5084274A (en) * 1973-11-26 1975-07-08
JPS5349473A (en) * 1976-10-18 1978-05-04 Seiko Epson Corp Electronic timepiece

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914428U (en) * 1982-07-17 1984-01-28 オリエント時計株式会社 Frequency divider circuit
JPH042504Y2 (en) * 1982-07-17 1992-01-28
JP2014191428A (en) * 2013-03-26 2014-10-06 Seiko Epson Corp Clock generating device, electronic apparatus, movable body, and clock generating method
US9548724B2 (en) 2013-03-26 2017-01-17 Seiko Epson Corporation Clock generation device, electronic apparatus, moving object, and clock generation method
JP2015088025A (en) * 2013-10-31 2015-05-07 セイコーエプソン株式会社 Clock generator, electronic apparatus, mobile body, and clock generation method

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