GB2005875B - Chronographs - Google Patents

Chronographs

Info

Publication number
GB2005875B
GB2005875B GB7838949A GB7838949A GB2005875B GB 2005875 B GB2005875 B GB 2005875B GB 7838949 A GB7838949 A GB 7838949A GB 7838949 A GB7838949 A GB 7838949A GB 2005875 B GB2005875 B GB 2005875B
Authority
GB
United Kingdom
Prior art keywords
chronographs
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
GB7838949A
Other versions
GB2005875A (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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of GB2005875A publication Critical patent/GB2005875A/en
Application granted granted Critical
Publication of GB2005875B publication Critical patent/GB2005875B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals 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
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB7838949A 1977-10-04 1978-10-02 Chronographs Expired GB2005875B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11927877A JPS5452578A (en) 1977-10-04 1977-10-04 Stopwatch

Publications (2)

Publication Number Publication Date
GB2005875A GB2005875A (en) 1979-04-25
GB2005875B true GB2005875B (en) 1982-03-31

Family

ID=14757413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7838949A Expired GB2005875B (en) 1977-10-04 1978-10-02 Chronographs

Country Status (2)

Country Link
JP (1) JPS5452578A (en)
GB (1) GB2005875B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54136875A (en) * 1978-04-17 1979-10-24 Seiko Epson Corp Analog electronic watch
JPS55160890A (en) * 1979-06-04 1980-12-15 Seiko Epson Corp Analog type chronograph
CH641923B (en) * 1980-02-12 Ebauches Sa WATCH EQUIPPED WITH A MICRO-COMPUTER.
EP0048217A1 (en) * 1980-09-12 1982-03-24 Compagnie des Montres Longines, Francillon S.A. Electronic timepiece
CH634713B (en) * 1981-07-09 Umberto Maglioli ELECTRONIC WATCH PART.
CH649189GA3 (en) * 1981-12-28 1985-05-15
GB2124803B (en) * 1982-06-07 1985-12-11 Suwa Seikosha Kk Improvements in or relating to electronic analog timepieces
JPS58214873A (en) * 1982-06-07 1983-12-14 Seiko Epson Corp Hand display stop watch
JPS58214874A (en) * 1982-06-07 1983-12-14 Seiko Epson Corp Hand display stop watch
JPS58214875A (en) * 1982-06-08 1983-12-14 Seiko Epson Corp Hand display type stop watch
JPS5917892U (en) * 1982-07-23 1984-02-03 セイコーエプソン株式会社 Pointer display stop watch
JPS5940290A (en) * 1982-08-31 1984-03-05 Seiko Epson Corp Analogue multi-functional clock
CH654717GA3 (en) * 1983-06-23 1986-03-14
CH653846GA3 (en) * 1983-12-06 1986-01-31
JPS60259980A (en) * 1985-05-31 1985-12-23 Seiko Epson Corp Analogue electronic timepiece
JPS62265587A (en) * 1987-05-01 1987-11-18 Seiko Epson Corp Pointer display stopwatch
JPS63265188A (en) * 1987-10-30 1988-11-01 Seiko Epson Corp Analogue multifunctional time-piece
JPS63277992A (en) * 1988-03-24 1988-11-15 Seiko Epson Corp Hand display stop watch
JPH068867B2 (en) * 1989-11-13 1994-02-02 セイコーエプソン株式会社 Clock pointer position correction means
JPH0741464Y2 (en) * 1990-07-11 1995-09-27 象印マホービン株式会社 Chinese medicine decoction
DE69409612T2 (en) * 1993-12-13 1998-11-12 Isa Ag Arch Electronic analog chronograph with single-hand
EP0996042B1 (en) * 1998-04-21 2007-05-30 Seiko Epson Corporation Clock and time measuring method
EP2485102A1 (en) * 2011-02-02 2012-08-08 Patek Philippe SA Genève Display device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE367665B (en) * 1972-10-13 1974-06-04 Karlstad Mekaniska Ab
BE802129A (en) * 1973-07-10 1973-11-05 Suisse Horlogerie TIME-SETTING DEVICE FOR ELECTRONIC WATCH

Also Published As

Publication number Publication date
JPS6334436B2 (en) 1988-07-11
JPS5452578A (en) 1979-04-25
GB2005875A (en) 1979-04-25

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19981001