FR2227570B1 - - Google Patents

Info

Publication number
FR2227570B1
FR2227570B1 FR7414273A FR7414273A FR2227570B1 FR 2227570 B1 FR2227570 B1 FR 2227570B1 FR 7414273 A FR7414273 A FR 7414273A FR 7414273 A FR7414273 A FR 7414273A FR 2227570 B1 FR2227570 B1 FR 2227570B1
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
FR7414273A
Other versions
FR2227570A1 (fr
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 FR2227570A1 publication Critical patent/FR2227570A1/fr
Application granted granted Critical
Publication of FR2227570B1 publication Critical patent/FR2227570B1/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
    • G04C13/11—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
FR7414273A 1973-04-24 1974-04-24 Expired FR2227570B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4566673A JPS49133066A (fr) 1973-04-24 1973-04-24

Publications (2)

Publication Number Publication Date
FR2227570A1 FR2227570A1 (fr) 1974-11-22
FR2227570B1 true FR2227570B1 (fr) 1977-10-28

Family

ID=12725697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414273A Expired FR2227570B1 (fr) 1973-04-24 1974-04-24

Country Status (9)

Country Link
JP (1) JPS49133066A (fr)
BR (1) BR7403258D0 (fr)
CH (2) CH591111A (fr)
DD (1) DD111255A1 (fr)
DE (1) DE2417852A1 (fr)
ES (1) ES425641A1 (fr)
FR (1) FR2227570B1 (fr)
GB (1) GB1432536A (fr)
IT (1) IT1004259B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015891B2 (ja) * 1974-04-04 1985-04-22 セイコーエプソン株式会社 電池時計の輪列構造
JPS52154673A (en) * 1976-06-18 1977-12-22 Seiko Instr & Electronics Ltd Wheel train mechanism of analog crystal watch
JPS5388766A (en) * 1976-12-21 1978-08-04 Seiko Epson Corp Wheel train for electronic watch
JPS54115271A (en) * 1978-02-28 1979-09-07 Matsushita Electric Works Ltd Watch device
FR2481019A1 (fr) * 1980-04-18 1981-10-23 Cetehor Moteur pas a pas notamment pour montre electronique
GB2286066A (en) * 1994-02-01 1995-08-02 Wellgain Precision Products Li Watch

Also Published As

Publication number Publication date
CH591111A (fr) 1977-09-15
IT1004259B (it) 1976-07-10
ES425641A1 (es) 1976-06-16
CH591111B5 (fr)
CH561474A4 (en) 1977-02-15
DE2417852A1 (de) 1974-11-07
BR7403258D0 (pt) 1974-11-19
DD111255A1 (fr) 1975-02-05
GB1432536A (en) 1976-04-22
JPS49133066A (fr) 1974-12-20
FR2227570A1 (fr) 1974-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse