FR2349161A1 - Piece d'horlogerie electronique a taux de division ajustable et procede pour sa mise en action - Google Patents

Piece d'horlogerie electronique a taux de division ajustable et procede pour sa mise en action

Info

Publication number
FR2349161A1
FR2349161A1 FR7711683A FR7711683A FR2349161A1 FR 2349161 A1 FR2349161 A1 FR 2349161A1 FR 7711683 A FR7711683 A FR 7711683A FR 7711683 A FR7711683 A FR 7711683A FR 2349161 A1 FR2349161 A1 FR 2349161A1
Authority
FR
France
Prior art keywords
activation
procedure
division rate
adjustable division
electronic clockwork
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
FR7711683A
Other languages
English (en)
French (fr)
Other versions
FR2349161B1 (enEXAMPLES
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 FR2349161A1 publication Critical patent/FR2349161A1/fr
Application granted granted Critical
Publication of FR2349161B1 publication Critical patent/FR2349161B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G04G3/022—Circuits for deriving low frequency timing pulses from pulses of higher frequency the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
FR7711683A 1976-04-23 1977-04-19 Piece d'horlogerie electronique a taux de division ajustable et procede pour sa mise en action Granted FR2349161A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH511976A CH604256B5 (enEXAMPLES) 1976-04-23 1976-04-23

Publications (2)

Publication Number Publication Date
FR2349161A1 true FR2349161A1 (fr) 1977-11-18
FR2349161B1 FR2349161B1 (enEXAMPLES) 1981-07-10

Family

ID=4288240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711683A Granted FR2349161A1 (fr) 1976-04-23 1977-04-19 Piece d'horlogerie electronique a taux de division ajustable et procede pour sa mise en action

Country Status (6)

Country Link
US (1) US4154053A (enEXAMPLES)
JP (1) JPS6039191B2 (enEXAMPLES)
CH (2) CH511976A4 (enEXAMPLES)
DE (1) DE2716734C3 (enEXAMPLES)
FR (1) FR2349161A1 (enEXAMPLES)
GB (1) GB1570897A (enEXAMPLES)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH624539B (fr) * 1977-12-02 Ebauches Electroniques Sa Piece d'horlogerie electronique avec correction automatique de l'ecart de marche.
US4282594A (en) * 1978-12-27 1981-08-04 Citizen Watch Company Limited Electronic timepiece
US4382692A (en) * 1979-11-26 1983-05-10 Ebauches, S.A. Analog-display electronic timepiece comprising a divider with an adjustable division factor
US4407589A (en) * 1981-02-13 1983-10-04 Davidson John R Error correction method and apparatus for electronic timepieces
US4408897A (en) * 1982-09-22 1983-10-11 Ebauches Electroniques S.A. Electronic timepiece having a digital frequency correction circuit
AU631153B2 (en) * 1988-12-19 1992-11-19 Alcatel Australia Limited Clock synchronization
US5204845A (en) * 1988-12-19 1993-04-20 Alcatel N.V. Clock synchronization
US5327404A (en) * 1990-11-27 1994-07-05 Vlsi Technology, Inc. On-chip frequency trimming method for real-time clock
US5717661A (en) * 1994-12-20 1998-02-10 Poulson; T. Earl Method and apparatus for adjusting the accuracy of electronic timepieces
DE19847753A1 (de) * 1998-10-16 2000-04-20 Bosch Gmbh Robert Uhr mit einem Mikroprozessor
US6616328B1 (en) * 1999-10-26 2003-09-09 Seiko Instruments Inc. High accuracy timepiece
JP5119002B2 (ja) * 2008-02-29 2013-01-16 シチズン時計株式会社 時計回路および電子時計
US20090129208A1 (en) * 2009-01-28 2009-05-21 Weiss Kenneth P Apparatus, system and method for keeping time
WO2011118820A1 (ja) * 2010-03-26 2011-09-29 シチズンホールディングス株式会社 電波時計
CN103197531A (zh) * 2013-04-15 2013-07-10 航天科技控股集团股份有限公司 汽车仪表盘电子时钟精度调整方法
JP6657699B2 (ja) * 2015-09-16 2020-03-04 セイコーエプソン株式会社 計時装置及び計時方法、並びに、電子機器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914931A (en) * 1974-10-01 1975-10-28 Suwa Seikosha Kk Electronic timepiece

Also Published As

Publication number Publication date
CH604256B5 (enEXAMPLES) 1978-08-31
DE2716734A1 (de) 1977-10-27
FR2349161B1 (enEXAMPLES) 1981-07-10
JPS6039191B2 (ja) 1985-09-04
DE2716734B2 (de) 1981-06-11
DE2716734C3 (de) 1982-02-18
US4154053A (en) 1979-05-15
JPS52130669A (en) 1977-11-02
GB1570897A (en) 1980-07-09
CH511976A4 (enEXAMPLES) 1977-08-31

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Legal Events

Date Code Title Description
TP Transmission of property