GB1177523A - Electronic Watches. - Google Patents

Electronic Watches.

Info

Publication number
GB1177523A
GB1177523A GB6351/67A GB635167A GB1177523A GB 1177523 A GB1177523 A GB 1177523A GB 6351/67 A GB6351/67 A GB 6351/67A GB 635167 A GB635167 A GB 635167A GB 1177523 A GB1177523 A GB 1177523A
Authority
GB
United Kingdom
Prior art keywords
sectors
eiv
rotor
feb
carrying
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
GB6351/67A
Other languages
English (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.)
SSIH Management Services SA
Original Assignee
SSIH Management Services SA
Societe Suisse pour lIindustrie Horlogere Management Services SA
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 SSIH Management Services SA, Societe Suisse pour lIindustrie Horlogere Management Services SA filed Critical SSIH Management Services SA
Publication of GB1177523A publication Critical patent/GB1177523A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G04C17/00—Indicating the time optically 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
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB6351/67A 1966-02-10 1967-02-09 Electronic Watches. Expired GB1177523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH205066A CH490710A (fr) 1966-02-10 1966-02-10 Pièce d'horlogerie électronique

Publications (1)

Publication Number Publication Date
GB1177523A true GB1177523A (en) 1970-01-14

Family

ID=4224748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6351/67A Expired GB1177523A (en) 1966-02-10 1967-02-09 Electronic Watches.

Country Status (6)

Country Link
US (1) US3553957A (pl)
BE (1) BE693936A (pl)
CH (2) CH490710A (pl)
GB (1) GB1177523A (pl)
NL (1) NL6701962A (pl)
SE (1) SE333549B (pl)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728855A (en) * 1970-01-22 1973-04-24 Gen Time Corp Crystal controlled movement with frequency dividing circuitry
DE2166739A1 (de) * 1971-06-24 1975-10-09 Suwa Seikosha Kk Quarzkristall-armbanduhr
DE2131476C3 (de) 1970-07-27 1976-03-04 K.K. Suwa Seikosha, Tokio Quarzkristall-Armbanduhr
DE2934906A1 (de) * 1978-09-21 1980-03-27 Ebauches Sa Extraflache elektromechanische uhr

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343330A (en) * 1970-07-27 1974-01-10 Suwa Seikosha Kk Electric timepieces
GB1361229A (en) * 1970-07-27 1974-07-24 Suwa Seikosha Kk Electric watches
US3756014A (en) * 1971-05-18 1973-09-04 Timex Corp Synchronized quartz crystal watch
US3783600A (en) * 1971-07-29 1974-01-08 Junghans Gmbh Geb Electromechanic driving mechanism for the hands of a timepiece
CH1548471A4 (pl) * 1971-10-25 1974-03-15
US3757510A (en) * 1972-07-03 1973-09-11 Hughes Aircraft Co High frequency electronic watch with low power dissipation
US3787715A (en) * 1972-08-30 1974-01-22 Rca Corp Control circuit employing digital techniques for loads such as balance wheel motors
US3778999A (en) * 1972-12-13 1973-12-18 Girard Perregaux Sa Electronic wristwatch
JPS5542356B2 (pl) * 1972-12-22 1980-10-30
CH617312GA3 (en) * 1972-12-29 1980-05-30 Battery-driven time measuring device
US3967442A (en) * 1973-02-01 1976-07-06 Berney Jean Claude Electric watch having an electromechanical movement including a correction mechanism for small errors
JPS5751079B2 (pl) * 1973-04-25 1982-10-30
JPS6120817B2 (pl) * 1973-12-24 1986-05-23 Citizen Watch Co Ltd
US3998043A (en) * 1973-12-26 1976-12-21 Citizen Watch Co., Ltd. Electric timepiece for displaying the operating condition thereof
CH613839B (fr) * 1977-06-08 Ebauches Sa Etage diviseur de frequence binaire.
CH625384B (fr) * 1977-12-20 Ebauches Electroniques Sa Dispositif de detection de la non rotation de moteurs pas a pas pour piece d'horlogerie et de rattrapage des pas perdus.
CH629356B (fr) * 1979-06-28 Ebauchesfabrik Eta Ag Montre electronique dont le rouage comporte un mobile de comptage.
JPS58158394U (ja) * 1983-02-21 1983-10-22 セイコーエプソン株式会社 電子時計の輪列構造

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728855A (en) * 1970-01-22 1973-04-24 Gen Time Corp Crystal controlled movement with frequency dividing circuitry
DE2131476C3 (de) 1970-07-27 1976-03-04 K.K. Suwa Seikosha, Tokio Quarzkristall-Armbanduhr
DE2166739A1 (de) * 1971-06-24 1975-10-09 Suwa Seikosha Kk Quarzkristall-armbanduhr
DE2934906A1 (de) * 1978-09-21 1980-03-27 Ebauches Sa Extraflache elektromechanische uhr

Also Published As

Publication number Publication date
CH490710A (fr) 1969-08-15
DE1673774B2 (de) 1972-07-27
BE693936A (pl) 1967-08-10
CH205066A4 (pl) 1969-08-15
NL6701962A (pl) 1967-08-11
SE333549B (pl) 1971-03-15
US3553957A (en) 1971-01-12
DE1673774A1 (de) 1971-02-25

Similar Documents

Publication Publication Date Title
GB1177523A (en) Electronic Watches.
GB1427162A (en) Synchronous motors
CA949640A (en) Liquid cooled rotor for dynamoelectric machines
CA986166A (en) Synchronous machine for stepping motor and other applications and method of operating same
GB1497338A (en) Rotor of an electric motor
CA935229A (en) Field effect transistor single phase clock signal generator
IL45588A0 (en) Steroidal topical cream base
CA1026438A (en) Clock signal generating device with complementary mos transistors
CA995471A (en) Switch for electronic watch
GB1480783A (en) Electronic circuit for supplying energizing pulses of predetermined duration to an electric motor
GB1477551A (en) Alarm timepiece
CA1002615A (en) Integrated circuit frequency to voltage converter
CA1015955A (en) Deoxidation of copper
HK54078A (en) Stepper motor for a quartz crystal timepiece
CA1025065A (en) Integrated monolithic switch for high voltage applications
GB1299060A (en) An electronic driving circuit for a timepiece
CA930787A (en) Liquid cooled rotor for dynamoelectric machines
IT1012431B (it) Disposizione circuitale atta a generare frequenze di canali
CA1002123A (en) Integrated circuit frequency to voltage converter
GB1400101A (en) Electronic oscillator circuit for a timepiece
GB1007127A (en) Electric motor and method of making same
GB1411453A (en) Timepiece with digital time display
JPS5251519A (en) Synchronous motor driving system
GB1167582A (en) Improvements in Electric Synchronous Motor Clocks
GB1392985A (en) Driving device for an electronic clock