JPS54136875A - Analog electronic watch - Google Patents

Analog electronic watch

Info

Publication number
JPS54136875A
JPS54136875A JP4497678A JP4497678A JPS54136875A JP S54136875 A JPS54136875 A JP S54136875A JP 4497678 A JP4497678 A JP 4497678A JP 4497678 A JP4497678 A JP 4497678A JP S54136875 A JPS54136875 A JP S54136875A
Authority
JP
Japan
Prior art keywords
counter
counting
frequency divider
electronic watch
analog 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.)
Pending
Application number
JP4497678A
Other languages
English (en)
Inventor
Yoshiki Minowa
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 Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP4497678A priority Critical patent/JPS54136875A/ja
Priority to US06/030,963 priority patent/US4270197A/en
Priority to CH361579A priority patent/CH638075B/fr
Publication of JPS54136875A publication Critical patent/JPS54136875A/ja
Priority to JP61007522A priority patent/JPS61191980A/ja
Pending legal-status Critical Current

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
    • 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)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
JP4497678A 1978-04-17 1978-04-17 Analog electronic watch Pending JPS54136875A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4497678A JPS54136875A (en) 1978-04-17 1978-04-17 Analog electronic watch
US06/030,963 US4270197A (en) 1978-04-17 1979-04-17 Analog display electronic stopwatch
CH361579A CH638075B (fr) 1978-04-17 1979-04-17 Montre electronique a affichage analogique.
JP61007522A JPS61191980A (ja) 1978-04-17 1986-01-17 アナログ電子計測表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4497678A JPS54136875A (en) 1978-04-17 1978-04-17 Analog electronic watch

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP11851785A Division JPS60259980A (ja) 1985-05-31 1985-05-31 アナログ電子時計
JP61007522A Division JPS61191980A (ja) 1978-04-17 1986-01-17 アナログ電子計測表示装置

Publications (1)

Publication Number Publication Date
JPS54136875A true JPS54136875A (en) 1979-10-24

Family

ID=12706492

Family Applications (2)

Application Number Title Priority Date Filing Date
JP4497678A Pending JPS54136875A (en) 1978-04-17 1978-04-17 Analog electronic watch
JP61007522A Pending JPS61191980A (ja) 1978-04-17 1986-01-17 アナログ電子計測表示装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP61007522A Pending JPS61191980A (ja) 1978-04-17 1986-01-17 アナログ電子計測表示装置

Country Status (3)

Country Link
US (1) US4270197A (ja)
JP (2) JPS54136875A (ja)
CH (1) CH638075B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917892U (ja) * 1982-07-23 1984-02-03 セイコーエプソン株式会社 指針表示ストツプ・ウオツチ
JPS60177289A (ja) * 1983-12-06 1985-09-11 ウ−テ−ア−・エス・ア−・フアブリツク・デボ−シユ 時計作動装置
JPS62265587A (ja) * 1987-05-01 1987-11-18 Seiko Epson Corp 指針表示ストップウォッチ

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396296A (en) * 1978-09-11 1983-08-02 Stodden Michael F Stop watch
CH649189GA3 (ja) * 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
JPS5940290A (ja) * 1982-08-31 1984-03-05 Seiko Epson Corp アナログ多機能時計
CH658567GA3 (ja) * 1984-03-28 1986-11-28
CH658765GA3 (ja) * 1984-04-03 1986-12-15
JPS60224088A (ja) * 1984-04-20 1985-11-08 Citizen Watch Co Ltd 指針式タイマ
JPS6173085A (ja) * 1984-09-18 1986-04-15 Citizen Watch Co Ltd クロノグラフ付電子時計
GB2166570B (en) * 1984-09-26 1987-11-18 Citizen Watch Co Ltd Electronic timepiece with a chronograph system
US6724692B1 (en) * 1998-04-21 2004-04-20 Seiko Epson Corporation Time measurement device and method
CH704948B1 (fr) * 2004-02-17 2012-11-30 Lvmh Swiss Mft Sa Montre chronographe électromécanique à affichage rétrograde.
CH704775A2 (fr) * 2011-04-08 2012-10-15 Richemont Int Sa Mécanisme de chronographe.
EP2936254B1 (fr) * 2012-12-21 2021-08-11 ETA SA Manufacture Horlogère Suisse Circuit chronometre thermocompense
JP6420965B2 (ja) * 2014-04-23 2018-11-07 セイコーエプソン株式会社 時間計測装置
USD757079S1 (en) * 2014-09-02 2016-05-24 Apple Inc. Display screen or portion thereof with graphical user interface

Citations (1)

* 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190543A (en) * 1934-08-14 1940-02-13 James O Ivie Scoreboard
DE2351403A1 (de) * 1972-10-13 1974-04-25 Grand Cap Co S A Uhr-chronograph

Patent Citations (1)

* 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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917892U (ja) * 1982-07-23 1984-02-03 セイコーエプソン株式会社 指針表示ストツプ・ウオツチ
JPS60177289A (ja) * 1983-12-06 1985-09-11 ウ−テ−ア−・エス・ア−・フアブリツク・デボ−シユ 時計作動装置
JPH0380275B2 (ja) * 1983-12-06 1991-12-24 Ebauchesfabrik Eta Ag
JPS62265587A (ja) * 1987-05-01 1987-11-18 Seiko Epson Corp 指針表示ストップウォッチ
JPS6362711B2 (ja) * 1987-05-01 1988-12-05

Also Published As

Publication number Publication date
CH638075GA3 (ja) 1983-09-15
JPS61191980A (ja) 1986-08-26
US4270197A (en) 1981-05-26
CH638075B (fr) 1900-01-01

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