FR2249377B1 - - Google Patents

Info

Publication number
FR2249377B1
FR2249377B1 FR7435682A FR7435682A FR2249377B1 FR 2249377 B1 FR2249377 B1 FR 2249377B1 FR 7435682 A FR7435682 A FR 7435682A FR 7435682 A FR7435682 A FR 7435682A FR 2249377 B1 FR2249377 B1 FR 2249377B1
Authority
FR
France
Prior art keywords
pulse generator
counter
clock pulse
signal
oscillating 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.)
Expired
Application number
FR7435682A
Other languages
English (en)
French (fr)
Other versions
FR2249377A1 (de
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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
Priority claimed from JP48119605A external-priority patent/JPS5071362A/ja
Priority claimed from JP12199473A external-priority patent/JPS5073673A/ja
Priority claimed from JP48128549A external-priority patent/JPS5757674B2/ja
Priority claimed from JP48132379A external-priority patent/JPS5840155B2/ja
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of FR2249377A1 publication Critical patent/FR2249377A1/fr
Application granted granted Critical
Publication of FR2249377B1 publication Critical patent/FR2249377B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/026—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using a memory for digitally storing correction values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/027—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using frequency conversion means which is variable with temperature, e.g. mixer, frequency divider, pulse add/substract logic circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electric Clocks (AREA)
FR7435682A 1973-10-24 1974-10-24 Expired FR2249377B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP48119605A JPS5071362A (de) 1973-10-24 1973-10-24
JP12199473A JPS5073673A (de) 1973-10-30 1973-10-30
JP48128549A JPS5757674B2 (de) 1973-11-15 1973-11-15
JP48132379A JPS5840155B2 (ja) 1973-11-26 1973-11-26 デンシドケイ

Publications (2)

Publication Number Publication Date
FR2249377A1 FR2249377A1 (de) 1975-05-23
FR2249377B1 true FR2249377B1 (de) 1977-07-08

Family

ID=27470610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435682A Expired FR2249377B1 (de) 1973-10-24 1974-10-24

Country Status (4)

Country Link
CH (1) CH615559GA3 (de)
DE (1) DE2450348C3 (de)
FR (1) FR2249377B1 (de)
GB (1) GB1481336A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5498677A (en) * 1978-01-11 1979-08-03 Citizen Watch Co Ltd Electronic watch
CH625670B (de) * 1980-01-10 Suisse Horlogerie Oszillator mit digitaler temperaturkompensation.
FR2552954B1 (fr) * 1983-10-04 1985-11-08 Cepe Composant pour oscillateur compense en temperature et oscillateur le comprenant
FR2723275B1 (fr) * 1994-08-01 1996-10-25 Detaint Jacques Dispositif de generation de frequence(s)
GB2432432B (en) * 2005-11-16 2009-04-15 Polymeters Response Internat L Timekeeping apparatus
DE102019212669A1 (de) * 2019-08-23 2021-02-25 Continental Automotive Gmbh Verfahren zur Synchronisation von zumindest zwei Kommunikationsvorrichtungen, Kommunikationsvorrichtung, Fahrzeug und Kommunikationssystem

Also Published As

Publication number Publication date
DE2450348A1 (de) 1975-05-07
DE2450348B2 (de) 1980-03-20
CH615559B (de)
CH615559GA3 (en) 1980-02-15
FR2249377A1 (de) 1975-05-23
GB1481336A (en) 1977-07-27
DE2450348C3 (de) 1980-12-11

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Legal Events

Date Code Title Description
ST Notification of lapse