GB1556273A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
GB1556273A
GB1556273A GB16053/77A GB1605377A GB1556273A GB 1556273 A GB1556273 A GB 1556273A GB 16053/77 A GB16053/77 A GB 16053/77A GB 1605377 A GB1605377 A GB 1605377A GB 1556273 A GB1556273 A GB 1556273A
Authority
GB
United Kingdom
Prior art keywords
electronic watch
watch
electronic
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
GB16053/77A
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.)
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 GB1556273A publication Critical patent/GB1556273A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G5/00—Setting, i.e. correcting or changing, the time-indication
    • G04G5/04—Setting, i.e. correcting or changing, the time-indication by setting each of the displayed values, e.g. date, hour, independently
    • G04G5/041—Correction of the minutes counter in function of the seconds' counter position at zero adjustment of the latter
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
GB16053/77A 1976-04-23 1977-04-18 Electronic watch Expired GB1556273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH512076A CH599609B5 (US07902200-20110308-C00004.png) 1976-04-23 1976-04-23

Publications (1)

Publication Number Publication Date
GB1556273A true GB1556273A (en) 1979-11-21

Family

ID=4288261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16053/77A Expired GB1556273A (en) 1976-04-23 1977-04-18 Electronic watch

Country Status (6)

Country Link
US (1) US4155218A (US07902200-20110308-C00004.png)
JP (1) JPS52130672A (US07902200-20110308-C00004.png)
CH (2) CH599609B5 (US07902200-20110308-C00004.png)
DE (1) DE2716733C3 (US07902200-20110308-C00004.png)
FR (1) FR2349165A1 (US07902200-20110308-C00004.png)
GB (1) GB1556273A (US07902200-20110308-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2296347A (en) * 1994-12-20 1996-06-26 T Earl Poulson Adjusting a timepiece

Families Citing this family (10)

* 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.
JPS5422865A (en) * 1977-07-21 1979-02-21 Seiko Epson Corp Miniature electronic watch
JPS5481873A (en) * 1977-12-12 1979-06-29 Seiko Instr & Electronics Ltd Electronic watch
US4267587A (en) * 1978-02-17 1981-05-12 Casio Computer Co., Ltd. Electronic timepiece circuit
US4290130A (en) * 1979-12-21 1981-09-15 Timex Corporation Digital frequency trimmed electronic timepiece
US4282595A (en) * 1979-12-21 1981-08-04 Timex Corporation Method for digital frequency trimming an oscillator in an electronic timepiece
JPS57117184A (en) * 1981-01-13 1982-07-21 Citizen Watch Co Ltd Non-volatile memory circuit for portable electronic device
US4408897A (en) * 1982-09-22 1983-10-11 Ebauches Electroniques S.A. Electronic timepiece having a digital frequency correction circuit
FR2726705B1 (fr) 1994-11-04 1996-12-20 Asulab Sa Generateur de frequence a haute stabilite
JP3930773B2 (ja) * 2002-07-19 2007-06-13 沖電気工業株式会社 周波数補正回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777471A (en) * 1971-08-27 1973-12-11 Bulova Watch Co Inc Presettable frequency divider for electronic timepiece
CH554015A (US07902200-20110308-C00004.png) * 1971-10-15 1974-09-13
JPS4922974A (US07902200-20110308-C00004.png) * 1972-06-19 1974-02-28
DE2358766C3 (de) * 1972-12-28 1979-10-04 Citizen Watch Co., Ltd., Tokio Elektronische Uhr
US3914931A (en) * 1974-10-01 1975-10-28 Suwa Seikosha Kk Electronic timepiece
CH1637174A4 (US07902200-20110308-C00004.png) * 1974-12-11 1977-03-31
JPS5168865A (en) * 1974-12-11 1976-06-14 Seiko Instr & Electronics Denshidokei niokeru jikokushuseisochi
JPS5547717B2 (US07902200-20110308-C00004.png) * 1975-03-08 1980-12-02

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2296347A (en) * 1994-12-20 1996-06-26 T Earl Poulson Adjusting a timepiece
US5717661A (en) * 1994-12-20 1998-02-10 Poulson; T. Earl Method and apparatus for adjusting the accuracy of electronic timepieces
GB2296347B (en) * 1994-12-20 1999-01-27 T Earl Poulson Method and apparatus for adjusting the accuracy of electronic timepieces

Also Published As

Publication number Publication date
FR2349165B1 (US07902200-20110308-C00004.png) 1980-02-15
FR2349165A1 (fr) 1977-11-18
US4155218A (en) 1979-05-22
DE2716733A1 (de) 1977-10-27
CH599609B5 (US07902200-20110308-C00004.png) 1978-05-31
CH512076A4 (US07902200-20110308-C00004.png) 1977-06-30
DE2716733B2 (de) 1979-03-08
JPS52130672A (en) 1977-11-02
DE2716733C3 (de) 1979-10-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee