JPS5345570A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS5345570A
JPS5345570A JP12000376A JP12000376A JPS5345570A JP S5345570 A JPS5345570 A JP S5345570A JP 12000376 A JP12000376 A JP 12000376A JP 12000376 A JP12000376 A JP 12000376A JP S5345570 A JPS5345570 A JP S5345570A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
mos
watch
providing
reduced
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
JP12000376A
Other languages
Japanese (ja)
Other versions
JPS6113192B2 (en
Inventor
Kiichi Kawamura
Sakio Okazaki
Minoru Hosokawa
Hiroshi Ishii
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 JP12000376A priority Critical patent/JPS5345570A/en
Publication of JPS5345570A publication Critical patent/JPS5345570A/en
Publication of JPS6113192B2 publication Critical patent/JPS6113192B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step

Abstract

PURPOSE:Power consumption is reduced and the longer life of a watch is achieved by providing an IC composed of C - MOS to a driving circuit for a step motor.
JP12000376A 1976-10-06 1976-10-06 Electronic wristwatch Granted JPS5345570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12000376A JPS5345570A (en) 1976-10-06 1976-10-06 Electronic wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12000376A JPS5345570A (en) 1976-10-06 1976-10-06 Electronic wristwatch

Publications (2)

Publication Number Publication Date
JPS5345570A true JPS5345570A (en) 1978-04-24
JPS6113192B2 JPS6113192B2 (en) 1986-04-11

Family

ID=14775478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12000376A Granted JPS5345570A (en) 1976-10-06 1976-10-06 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS5345570A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62166488U (en) * 1986-04-10 1987-10-22

Also Published As

Publication number Publication date
JPS6113192B2 (en) 1986-04-11

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