JPS5872084A - 電子時計 - Google Patents

電子時計

Info

Publication number
JPS5872084A
JPS5872084A JP17170681A JP17170681A JPS5872084A JP S5872084 A JPS5872084 A JP S5872084A JP 17170681 A JP17170681 A JP 17170681A JP 17170681 A JP17170681 A JP 17170681A JP S5872084 A JPS5872084 A JP S5872084A
Authority
JP
Japan
Prior art keywords
circuit
rom
address
decoder
drive pulse
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
JP17170681A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0222349B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hiroyuki Odagiri
小田切　博之
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 JP17170681A priority Critical patent/JPS5872084A/ja
Publication of JPS5872084A publication Critical patent/JPS5872084A/ja
Publication of JPH0222349B2 publication Critical patent/JPH0222349B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP17170681A 1981-10-27 1981-10-27 電子時計 Granted JPS5872084A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17170681A JPS5872084A (ja) 1981-10-27 1981-10-27 電子時計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17170681A JPS5872084A (ja) 1981-10-27 1981-10-27 電子時計

Publications (2)

Publication Number Publication Date
JPS5872084A true JPS5872084A (ja) 1983-04-28
JPH0222349B2 JPH0222349B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-05-18

Family

ID=15928162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17170681A Granted JPS5872084A (ja) 1981-10-27 1981-10-27 電子時計

Country Status (1)

Country Link
JP (1) JPS5872084A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11127595A (ja) * 1997-08-11 1999-05-11 Seiko Epson Corp 電子機器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614976A (en) * 1979-07-17 1981-02-13 Citizen Watch Co Ltd Circuit for electronic watch
JPS5669576A (en) * 1979-11-12 1981-06-10 Seiko Epson Corp Electronic watch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614976A (en) * 1979-07-17 1981-02-13 Citizen Watch Co Ltd Circuit for electronic watch
JPS5669576A (en) * 1979-11-12 1981-06-10 Seiko Epson Corp Electronic watch

Also Published As

Publication number Publication date
JPH0222349B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-05-18

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