CH662238GA3 - - Google Patents

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Publication number
CH662238GA3
CH662238GA3 CH312183A CH312183A CH662238GA3 CH 662238G A3 CH662238G A3 CH 662238GA3 CH 312183 A CH312183 A CH 312183A CH 312183 A CH312183 A CH 312183A CH 662238G A3 CH662238G A3 CH 662238GA3
Authority
CH
Switzerland
Prior art keywords
hands
indicating
elapsed
seconds
split
Prior art date
Application number
CH312183A
Other languages
French (fr)
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
Priority claimed from JP9729282A external-priority patent/JPS58214873A/en
Priority claimed from JP12790882A external-priority patent/JPS5918477A/en
Priority claimed from JP22157482A external-priority patent/JPS59111087A/en
Application filed filed Critical
Publication of CH662238GA3 publication Critical patent/CH662238GA3/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
    • G04F8/006—Apparatus for measuring unknown time intervals by electromechanical means running only during the time interval to be measured, e.g. stop-watch
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

An electronic analog timepiece provides for elapsed and intermediate split time measurement with hands indicating fractions of a second, seconds and minutes. Hands do not move except by a user stop or split command. Then the hands rapidly move to positions indicating elapsed or split time. Alternatively, conventional continuous indications are provided except when the internal battery nears depletion, or intermittent operation of the hand indicating fractional seconds provides warning that the battery nears depletion. A wristwatch type analog display stopwatch using a plurality of step motors to drive the hands is produced.
CH312183A 1982-06-07 1983-06-07 CH662238GA3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9729282A JPS58214873A (en) 1982-06-07 1982-06-07 Hand display stop watch
JP12790882A JPS5918477A (en) 1982-07-22 1982-07-22 Dial type stop watch
JP22157482A JPS59111087A (en) 1982-12-17 1982-12-17 Hand display stopwatch

Publications (1)

Publication Number Publication Date
CH662238GA3 true CH662238GA3 (en) 1987-09-30

Family

ID=27308368

Family Applications (1)

Application Number Title Priority Date Filing Date
CH312183A CH662238GA3 (en) 1982-06-07 1983-06-07

Country Status (4)

Country Link
US (1) US4537514A (en)
CH (1) CH662238GA3 (en)
GB (1) GB2124803B (en)
HK (1) HK88587A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658567GA3 (en) * 1984-03-28 1986-11-28
CH658765GA3 (en) * 1984-04-03 1986-12-15
JPS6173085A (en) * 1984-09-18 1986-04-15 Citizen Watch Co Ltd Electronic timepiece with chronograph
DE3534204A1 (en) * 1984-09-26 1986-04-10 Citizen Watch Co., Ltd., Tokio/Tokyo ELECTRONIC CLOCK WITH STOP DEVICE
JPS6188179A (en) * 1984-10-05 1986-05-06 Seiko Instr & Electronics Ltd Display of life of battery in electronic time piece
JPH0786538B2 (en) * 1985-08-28 1995-09-20 カシオ計算機株式会社 Stopwatch device
US5289452A (en) * 1988-06-17 1994-02-22 Seiko Epson Corporation Multifunction electronic analog timepiece
JP2542939B2 (en) * 1990-01-16 1996-10-09 セイコー電子工業株式会社 Analog electronic clock with stopwatch
JP3041351B2 (en) * 1993-03-16 2000-05-15 セイコーインスツルメンツ株式会社 Analog electronic watch with chronograph function
DE69409612T2 (en) * 1993-12-13 1998-11-12 Isa Ag Arch Electronic analog chronograph with single-hand
US6392962B1 (en) 1995-05-18 2002-05-21 Rmp, Inc. Method of sleep time measurement
TW494287B (en) 2000-11-29 2002-07-11 Ebauchesfabrik Eta Ag Electronic chronograph watch with analogue display
EP1211579B1 (en) * 2000-11-29 2009-04-15 ETA SA Manufacture Horlogère Suisse Electronic chronograph watch with analog display
JP4978677B2 (en) * 2009-09-15 2012-07-18 カシオ計算機株式会社 Analog electronic clock
WO2013122600A2 (en) * 2011-02-17 2013-08-22 Stefan Johansson Time counter timepiece
USD732983S1 (en) * 2014-03-25 2015-06-30 Sisyphus Trading LLP Watch case

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5452578A (en) * 1977-10-04 1979-04-25 Seiko Instr & Electronics Ltd Stopwatch
JPS54136875A (en) * 1978-04-17 1979-10-24 Seiko Epson Corp Analog electronic watch
US4211066A (en) * 1978-09-29 1980-07-08 Kabushiki Kaisha Daini Seikosha Stop watch
CH636493B (en) * 1980-01-21 Ebauches Sa CHRONOGRAPH WATCH.
EP0048217A1 (en) * 1980-09-12 1982-03-24 Compagnie des Montres Longines, Francillon S.A. Electronic timepiece

Also Published As

Publication number Publication date
GB2124803A (en) 1984-02-22
GB2124803B (en) 1985-12-11
GB8315134D0 (en) 1983-07-06
HK88587A (en) 1987-12-04
US4537514A (en) 1985-08-27

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Legal Events

Date Code Title Description
PL Patent ceased