FR2130451B1 - - Google Patents

Info

Publication number
FR2130451B1
FR2130451B1 FR7209616A FR7209616A FR2130451B1 FR 2130451 B1 FR2130451 B1 FR 2130451B1 FR 7209616 A FR7209616 A FR 7209616A FR 7209616 A FR7209616 A FR 7209616A FR 2130451 B1 FR2130451 B1 FR 2130451B1
Authority
FR
France
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
FR7209616A
Other languages
French (fr)
Other versions
FR2130451A1 (en
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
Publication of FR2130451A1 publication Critical patent/FR2130451A1/fr
Application granted granted Critical
Publication of FR2130451B1 publication Critical patent/FR2130451B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G3/00—Producing timing pulses
    • G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
FR7209616A 1971-03-20 1972-03-20 Expired FR2130451B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46015669A JPS5217745B1 (en) 1971-03-20 1971-03-20

Publications (2)

Publication Number Publication Date
FR2130451A1 FR2130451A1 (en) 1972-11-03
FR2130451B1 true FR2130451B1 (en) 1974-12-13

Family

ID=11895135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7209616A Expired FR2130451B1 (en) 1971-03-20 1972-03-20

Country Status (6)

Country Link
US (1) US3810355A (en)
JP (1) JPS5217745B1 (en)
DE (1) DE2213132A1 (en)
FR (1) FR2130451B1 (en)
GB (1) GB1350721A (en)
HK (1) HK14876A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4994255A (en) * 1973-01-11 1974-09-06
DE2359142C2 (en) * 1973-11-28 1982-04-22 Vdo Adolf Schindling Ag, 6000 Frankfurt Electric clock with stepper motor
JPS51101478A (en) * 1975-03-04 1976-09-07 Suwa Seikosha Kk
US4150536A (en) * 1976-01-28 1979-04-24 Citizen Watch Company Limited Electronic timepiece
US5596554A (en) * 1993-06-04 1997-01-21 Hagadorn; Hubert W. Set operation in a timepiece having an electrooptical display

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212252A (en) * 1963-06-04 1965-10-19 Citizen Watch Co Ltd Vibratory motor and controlled circuit for a small timepiece
US3363410A (en) * 1966-01-25 1968-01-16 Suwa Seikosha Kk Apparatus for adjusting electric timepieces
DE1591218A1 (en) * 1967-03-09 1970-12-17 Junghans Gmbh Geb Crystal-controlled transistor oscillator
US3540207A (en) * 1968-09-20 1970-11-17 Timex Corp Electronic watch counting circuit
US3576099A (en) * 1969-04-22 1971-04-27 Hamilton Watch Co Solid state timepiece having electro-optical time display
CH604223B5 (en) * 1969-11-20 1978-08-31 Ssih Societe Suisse Pour L Ind
US3616638A (en) * 1970-03-19 1971-11-02 Bulova Watch Co Inc Crystal-controlled mechanical resonator
US3608301A (en) * 1970-04-30 1971-09-28 Quasar Microsystems Inc Digital clock having automatic indication of power failure
US3664118A (en) * 1970-09-09 1972-05-23 Hamilton Watch Co Electronically controlled timepiece using low power mos transistor circuitry

Also Published As

Publication number Publication date
US3810355A (en) 1974-05-14
DE2213132A1 (en) 1972-10-12
FR2130451A1 (en) 1972-11-03
HK14876A (en) 1976-03-26
GB1350721A (en) 1974-04-24
JPS5217745B1 (en) 1977-05-17

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