JPS5334570A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5334570A
JPS5334570A JP10915676A JP10915676A JPS5334570A JP S5334570 A JPS5334570 A JP S5334570A JP 10915676 A JP10915676 A JP 10915676A JP 10915676 A JP10915676 A JP 10915676A JP S5334570 A JPS5334570 A JP S5334570A
Authority
JP
Japan
Prior art keywords
electronic watch
hand
leaping
pinion
teeth
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
JP10915676A
Other languages
Japanese (ja)
Inventor
Joichi Miyazaki
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
Priority to JP10915676A priority Critical patent/JPS5334570A/en
Publication of JPS5334570A publication Critical patent/JPS5334570A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PURPOSE: In a 1-second step operation type analog electronic watch, a wheel train of transmission middle three hands type wherein the number of teeth of second pinion is less than 30 is provided, whereby the problem of second hand leaping and second hand fluctuation is solved and the diameter of second gear is made as small as possible.
COPYRIGHT: (C)1978,JPO&Japio
JP10915676A 1976-09-10 1976-09-10 Electronic watch Pending JPS5334570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10915676A JPS5334570A (en) 1976-09-10 1976-09-10 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10915676A JPS5334570A (en) 1976-09-10 1976-09-10 Electronic watch

Publications (1)

Publication Number Publication Date
JPS5334570A true JPS5334570A (en) 1978-03-31

Family

ID=14503046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10915676A Pending JPS5334570A (en) 1976-09-10 1976-09-10 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5334570A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2172815A1 (en) 2008-10-02 2010-04-07 Montres Breguet S.A. Timepiece gear-train
EP2843482A1 (en) * 2013-09-03 2015-03-04 Patek Philippe SA Genève Clock mobile with clearance compensation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2172815A1 (en) 2008-10-02 2010-04-07 Montres Breguet S.A. Timepiece gear-train
EP2843482A1 (en) * 2013-09-03 2015-03-04 Patek Philippe SA Genève Clock mobile with clearance compensation
WO2015033238A1 (en) * 2013-09-03 2015-03-12 Patek Philippe Sa Geneve Clockwork train with clearance compensation

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