JPS54105579A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS54105579A
JPS54105579A JP7761377A JP7761377A JPS54105579A JP S54105579 A JPS54105579 A JP S54105579A JP 7761377 A JP7761377 A JP 7761377A JP 7761377 A JP7761377 A JP 7761377A JP S54105579 A JPS54105579 A JP S54105579A
Authority
JP
Japan
Prior art keywords
pulses
rotor
switch
minute
invertion
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.)
Granted
Application number
JP7761377A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6147389B2 (enrdf_load_stackoverflow
Inventor
Yoshii Kawamura
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 JP7761377A priority Critical patent/JPS54105579A/ja
Publication of JPS54105579A publication Critical patent/JPS54105579A/ja
Publication of JPS6147389B2 publication Critical patent/JPS6147389B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
JP7761377A 1977-06-29 1977-06-29 Electronic wristwatch Granted JPS54105579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7761377A JPS54105579A (en) 1977-06-29 1977-06-29 Electronic wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7761377A JPS54105579A (en) 1977-06-29 1977-06-29 Electronic wristwatch

Publications (2)

Publication Number Publication Date
JPS54105579A true JPS54105579A (en) 1979-08-18
JPS6147389B2 JPS6147389B2 (enrdf_load_stackoverflow) 1986-10-18

Family

ID=13638756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7761377A Granted JPS54105579A (en) 1977-06-29 1977-06-29 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS54105579A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6147389B2 (enrdf_load_stackoverflow) 1986-10-18

Similar Documents

Publication Publication Date Title
FR2384289A1 (fr) Montre electronique a faible consommation
SG64983G (en) Improvements in or relating to electronic timepieces with stepping motor driven analog time displays
JPS5643575A (en) Electronic clock
JPS54136875A (en) Analog electronic watch
GB984224A (en) Timing mechanism
JPS53132382A (en) Electronic watch
JPS54105579A (en) Electronic wristwatch
JPS5418018A (en) Pulse motor drive circuit
FR2388326B1 (enrdf_load_stackoverflow)
JPS5394976A (en) Electronic watch with alarm
JPS5412777A (en) Pulse motor driving circuit for watches
JPS54102166A (en) Battery life display system in electronic watch
JPS5533642A (en) Step motor device for electronic watch
GB1527064A (en) Time switch
JPS57211086A (en) Electronic timepiece
JPS5387769A (en) Electro-mechanical transducer drivig circuit for watach
JPS5375976A (en) Step motor for electronic wrist watch
CH616296GA3 (enrdf_load_stackoverflow)
JPS5422864A (en) Motor drive circuit electronic watch
JPS57116568A (en) Small-sized motor with battery lifetime predicting function
JPS5335114A (en) Motor drive circuit
JPS5531934A (en) Electronic watch
JPS5562384A (en) Analog electronic watch
JPS5434274A (en) Electronic watch having state display device
JPS55109982A (en) Crystal timepiece