FR2442468A1 - Dispositif de mesure de la marche d'une piece d'horlogerie electronique a affichage analogique - Google Patents

Dispositif de mesure de la marche d'une piece d'horlogerie electronique a affichage analogique

Info

Publication number
FR2442468A1
FR2442468A1 FR7927129A FR7927129A FR2442468A1 FR 2442468 A1 FR2442468 A1 FR 2442468A1 FR 7927129 A FR7927129 A FR 7927129A FR 7927129 A FR7927129 A FR 7927129A FR 2442468 A1 FR2442468 A1 FR 2442468A1
Authority
FR
France
Prior art keywords
pulses
measuring
gate
divider
frequency
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.)
Granted
Application number
FR7927129A
Other languages
English (en)
French (fr)
Other versions
FR2442468B1 (enrdf_load_stackoverflow
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.)
Ebauches SA
Original Assignee
Ebauches 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 Ebauches SA filed Critical Ebauches SA
Publication of FR2442468A1 publication Critical patent/FR2442468A1/fr
Application granted granted Critical
Publication of FR2442468B1 publication Critical patent/FR2442468B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/002—Electrical measuring and testing apparatus
    • G04D7/003—Electrical measuring and testing apparatus for electric or electronic clocks
    • 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)
  • Electric Clocks (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
FR7927129A 1978-11-24 1979-11-02 Dispositif de mesure de la marche d'une piece d'horlogerie electronique a affichage analogique Granted FR2442468A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1206278A CH624536B (fr) 1978-11-24 1978-11-24 Piece d'horlogerie electronique a affichage analogique comportant un diviseur a taux de division ajustable.

Publications (2)

Publication Number Publication Date
FR2442468A1 true FR2442468A1 (fr) 1980-06-20
FR2442468B1 FR2442468B1 (enrdf_load_stackoverflow) 1981-11-20

Family

ID=4379503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927129A Granted FR2442468A1 (fr) 1978-11-24 1979-11-02 Dispositif de mesure de la marche d'une piece d'horlogerie electronique a affichage analogique

Country Status (6)

Country Link
JP (1) JPS5582087A (enrdf_load_stackoverflow)
CH (1) CH624536B (enrdf_load_stackoverflow)
DE (1) DE2943303C2 (enrdf_load_stackoverflow)
FR (1) FR2442468A1 (enrdf_load_stackoverflow)
GB (1) GB2036387B (enrdf_load_stackoverflow)
HK (1) HK24888A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0510730B1 (en) * 1987-09-21 1996-03-06 Seiko Epson Corporation Analog electronic timepiece

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS537272A (en) * 1976-07-07 1978-01-23 Seiko Epson Corp Electronic timepiece
JPS53140071A (en) * 1977-05-13 1978-12-06 Seiko Epson Corp Analog type electronic watch
US4142360A (en) * 1977-07-07 1979-03-06 Kabushiki Kaisha Suwa Seikosha Electronic timepiece

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534913A (fr) * 1970-02-17 1972-08-15 Centre Electron Horloger Garde-temps
US3777471A (en) * 1971-08-27 1973-12-11 Bulova Watch Co Inc Presettable frequency divider for electronic timepiece
GB1488914A (en) * 1973-12-19 1977-10-19 Citizen Watch Co Ltd Electronic timepiece

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS537272A (en) * 1976-07-07 1978-01-23 Seiko Epson Corp Electronic timepiece
JPS53140071A (en) * 1977-05-13 1978-12-06 Seiko Epson Corp Analog type electronic watch
US4142360A (en) * 1977-07-07 1979-03-06 Kabushiki Kaisha Suwa Seikosha Electronic timepiece

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ABJP/78 *
ABJP/79 *

Also Published As

Publication number Publication date
DE2943303A1 (de) 1980-05-29
GB2036387B (en) 1983-01-06
FR2442468B1 (enrdf_load_stackoverflow) 1981-11-20
CH624536B (fr)
HK24888A (en) 1988-04-15
JPS631553B2 (enrdf_load_stackoverflow) 1988-01-13
CH624536GA3 (enrdf_load_stackoverflow) 1981-08-14
GB2036387A (en) 1980-06-25
JPS5582087A (en) 1980-06-20
DE2943303C2 (de) 1982-07-01

Similar Documents

Publication Publication Date Title
CH612569B (fr) Montre electronique utilisable comme montre-chronographe et comme montre classique.
US3922844A (en) Electronic timepiece
HK49182A (en) Improvements in or relating to electronic timepieces
US4068462A (en) Frequency adjustment circuit
US4382692A (en) Analog-display electronic timepiece comprising a divider with an adjustable division factor
GB1399443A (en) Clock devices
FR2442468A1 (fr) Dispositif de mesure de la marche d'une piece d'horlogerie electronique a affichage analogique
US4142360A (en) Electronic timepiece
US3258669A (en) Variable width fulse-fed micromotor control system
CH626499B (de) Elektronisches zeitmessgeraet mit einer eingangsklemme zur aufnahme externer zeitdaten und zeitdatenzufuhrvorrichtung.
JPS5741711B2 (enrdf_load_stackoverflow)
GB1529278A (en) Electronic alarm timepiece
GB1480754A (en) Drive pulse generator for use in electronic analogue display clock apparatus
GB2047442A (en) Electronic timepiece
CH613596B (fr) Dispositif de correction de l'heure pour piece d'horlogerie electronique.
JPS5473678A (en) Electronic watch
JPS55155286A (en) Electronic timepiece
US4292836A (en) Apparatus for measuring the rate of an analog-display electronic timepiece
JPS5719689A (en) Electronic clock
GB1518221A (en) Quartz crystal timepiece
SU864240A1 (ru) Электронные часы с боем
CH617821GA3 (en) Electronic timepiece, especially electronic wristwatch, with digital display
JPS60162983A (ja) 指針式電子時計
GB1524130A (en) Digital multi-alarm watch
JPS5552984A (en) Analog electronic watch

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse