JPS58140664A - アナログ電子時計 - Google Patents

アナログ電子時計

Info

Publication number
JPS58140664A
JPS58140664A JP1864482A JP1864482A JPS58140664A JP S58140664 A JPS58140664 A JP S58140664A JP 1864482 A JP1864482 A JP 1864482A JP 1864482 A JP1864482 A JP 1864482A JP S58140664 A JPS58140664 A JP S58140664A
Authority
JP
Japan
Prior art keywords
pulse
detection
rotor
output
stabilizing
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
JP1864482A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0326355B2 (enrdf_load_stackoverflow
Inventor
Jiro Ito
治郎 伊藤
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 JP1864482A priority Critical patent/JPS58140664A/ja
Priority to GB08213117A priority patent/GB2101368B/en
Priority to US06/375,649 priority patent/US4477196A/en
Priority to DE3217207A priority patent/DE3217207C2/de
Priority to CH286682A priority patent/CH648179GA3/fr
Publication of JPS58140664A publication Critical patent/JPS58140664A/ja
Priority to SG533/86A priority patent/SG53386G/en
Priority to HK739/86A priority patent/HK73986A/xx
Publication of JPH0326355B2 publication Critical patent/JPH0326355B2/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)
JP1864482A 1981-05-07 1982-02-08 アナログ電子時計 Granted JPS58140664A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1864482A JPS58140664A (ja) 1982-02-08 1982-02-08 アナログ電子時計
GB08213117A GB2101368B (en) 1981-05-07 1982-05-06 Improvements in or relating to pulse actuated stepping motor driven electronic timepieces.
US06/375,649 US4477196A (en) 1981-05-07 1982-05-06 Analog electronic timepiece
DE3217207A DE3217207C2 (de) 1981-05-07 1982-05-07 Elektronische Analoguhr
CH286682A CH648179GA3 (enrdf_load_stackoverflow) 1981-05-07 1982-05-07
SG533/86A SG53386G (en) 1981-05-07 1986-06-12 Improvements in or relating to pluse actuated stepping motor driven electronic timepieces
HK739/86A HK73986A (en) 1981-05-07 1986-10-02 Improvements in or relating to pulse actuated stepping motor driven electronic timepieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1864482A JPS58140664A (ja) 1982-02-08 1982-02-08 アナログ電子時計

Publications (2)

Publication Number Publication Date
JPS58140664A true JPS58140664A (ja) 1983-08-20
JPH0326355B2 JPH0326355B2 (enrdf_load_stackoverflow) 1991-04-10

Family

ID=11977310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1864482A Granted JPS58140664A (ja) 1981-05-07 1982-02-08 アナログ電子時計

Country Status (1)

Country Link
JP (1) JPS58140664A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019047559A (ja) * 2017-08-30 2019-03-22 カシオ計算機株式会社 回転制御装置、電子時計および回転制御方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0679967B1 (en) * 1993-01-18 1998-09-30 Seiko Instruments Inc. Electronic timepiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019047559A (ja) * 2017-08-30 2019-03-22 カシオ計算機株式会社 回転制御装置、電子時計および回転制御方法

Also Published As

Publication number Publication date
JPH0326355B2 (enrdf_load_stackoverflow) 1991-04-10

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