GB1232907A - - Google Patents

Info

Publication number
GB1232907A
GB1232907A GB1232907DA GB1232907A GB 1232907 A GB1232907 A GB 1232907A GB 1232907D A GB1232907D A GB 1232907DA GB 1232907 A GB1232907 A GB 1232907A
Authority
GB
United Kingdom
Prior art keywords
nov
rotor
pulse generator
gear train
wheel
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
Other languages
English (en)
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 filed Critical
Publication of GB1232907A publication Critical patent/GB1232907A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by primary clocks
    • G04C13/08—Secondary clocks actuated intermittently
    • G04C13/10—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
GB1232907D 1968-11-05 1969-11-04 Expired GB1232907A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8051468 1968-11-05

Publications (1)

Publication Number Publication Date
GB1232907A true GB1232907A (enrdf_load_stackoverflow) 1971-05-26

Family

ID=13720409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232907D Expired GB1232907A (enrdf_load_stackoverflow) 1968-11-05 1969-11-04

Country Status (4)

Country Link
US (1) US3597915A (enrdf_load_stackoverflow)
CH (1) CH1639069A4 (enrdf_load_stackoverflow)
DE (2) DE6943040U (enrdf_load_stackoverflow)
GB (1) GB1232907A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346975A1 (de) * 1972-09-20 1974-03-28 Rech En Matieres De Micromoteu Impuls-treiberschaltung fuer einen einphasen-schrittschaltrotationsmotor
DE2434452A1 (de) * 1973-07-17 1975-02-06 Suwa Seikosha Kk Verfahren zum antreiben eines schrittmotors fuer eine quarzuhr

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3731125A (en) * 1970-06-13 1973-05-01 Citizen Watch Co Ltd Pulse motor for time piece
USRE29403E (en) * 1970-07-27 1977-09-20 Kabushiki Kaisha Suwa Seikosha Quartz crystal wrist watch
US3902312A (en) * 1970-07-27 1975-09-02 Suwa Seikosha Kk Quartz crystal wrist watch
GB1343223A (en) * 1971-02-17 1974-01-10 Suwa Seikosha Kk Detent apparatus eg for use in an electronic timepiece
US3766729A (en) * 1971-03-24 1973-10-23 Timex Corp Quartz controlled chronometer
DE2166739C3 (de) * 1971-06-24 1988-10-20 Kabushiki Kaisha Suwa Seikosha, Tokio/Tokyo Quarzkristall-Armbanduhr mit einem elektromechanischen Wandler
JPS4881566A (enrdf_load_stackoverflow) * 1971-12-13 1973-10-31
DE2359142C2 (de) * 1973-11-28 1982-04-22 Vdo Adolf Schindling Ag, 6000 Frankfurt Elektrische Uhr mit Schrittmotor
GB1451359A (en) * 1973-11-30 1976-09-29 Citizen Watch Co Ltd Pulse motor driven circuit
FR2263632B1 (enrdf_load_stackoverflow) * 1974-03-07 1980-08-14 Seiko Instr & Electronics
JPS604666B2 (ja) * 1974-04-04 1985-02-05 セイコーエプソン株式会社 水晶腕時計用変換器
CH613359GA3 (en) * 1974-08-28 1979-09-28 Pulsed motor for horometrical apparatus
JPS605915B2 (ja) * 1975-04-07 1985-02-14 セイコー光機株式会社 電気時計の駆動装置
JPS51134816A (en) * 1975-05-16 1976-11-22 Seiko Instr & Electronics Ltd Converter for an electronic clock
JPS5240712A (en) * 1975-09-27 1977-03-29 Citizen Watch Co Ltd Pulse motor for electronic clocks
US4088909A (en) * 1977-02-18 1978-05-09 Kanto Seiki Company, Limited Stepping motor for timekeeping mechanism
DE2713488A1 (de) * 1977-03-26 1978-10-05 Kieninger & Obergfell Elektrische uhr
FR2450527A1 (fr) * 1979-03-01 1980-09-26 Suisse Horlogerie Moteur pas a pas non reversible
DE2913159A1 (de) * 1979-04-02 1980-10-23 Vdo Schindling Elektrische uhr, insbesondere batteriebetriebene quarzuhr
DE19500570A1 (de) * 1995-01-11 1996-07-18 Vdo Schindling Anzeigevorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2988868A (en) * 1955-12-15 1961-06-20 Leon Hatot Ets Electronic time-measuring arrangement
US3250066A (en) * 1963-08-12 1966-05-10 Philco Corp Electronic clock utilizing oscillator to switch bistable circuit at subharmonic of oscillator frequency

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346975A1 (de) * 1972-09-20 1974-03-28 Rech En Matieres De Micromoteu Impuls-treiberschaltung fuer einen einphasen-schrittschaltrotationsmotor
DE2434452A1 (de) * 1973-07-17 1975-02-06 Suwa Seikosha Kk Verfahren zum antreiben eines schrittmotors fuer eine quarzuhr

Also Published As

Publication number Publication date
US3597915A (en) 1971-08-10
DE1955698A1 (de) 1970-08-06
DE1955698B2 (de) 1973-03-08
DE6943040U (de) 1970-04-30
CH1639069A4 (fr) 1973-11-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years