JPS5587976A - Device for detecting electronic watch - Google Patents

Device for detecting electronic watch

Info

Publication number
JPS5587976A
JPS5587976A JP16150978A JP16150978A JPS5587976A JP S5587976 A JPS5587976 A JP S5587976A JP 16150978 A JP16150978 A JP 16150978A JP 16150978 A JP16150978 A JP 16150978A JP S5587976 A JPS5587976 A JP S5587976A
Authority
JP
Japan
Prior art keywords
gate
rotation
coil
electronic watch
step motor
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
JP16150978A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6262307B2 (enrdf_load_stackoverflow
Inventor
Jun Ueda
Akira Torisawa
Shuji Otawa
Masaaki Bandai
Masaharu Shida
Katsuhiko Sato
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 JP16150978A priority Critical patent/JPS5587976A/ja
Priority to US06/100,222 priority patent/US4321521A/en
Priority to GB7942565A priority patent/GB2038512A/en
Priority to CH1143279A priority patent/CH639235B/fr
Priority to DE19792951947 priority patent/DE2951947A1/de
Priority to FR7931591A priority patent/FR2445653A1/fr
Publication of JPS5587976A publication Critical patent/JPS5587976A/ja
Publication of JPS6262307B2 publication Critical patent/JPS6262307B2/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)
JP16150978A 1978-12-25 1978-12-26 Device for detecting electronic watch Granted JPS5587976A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP16150978A JPS5587976A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch
US06/100,222 US4321521A (en) 1978-12-25 1979-12-04 Detection device of electronic timepiece
GB7942565A GB2038512A (en) 1978-12-25 1979-12-10 Stepping motor driven electronic timepieces
CH1143279A CH639235B (fr) 1978-12-25 1979-12-21 Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique.
DE19792951947 DE2951947A1 (de) 1978-12-25 1979-12-22 Antriebsschaltung fuer einen schrittmotor einer elektrischen uhr
FR7931591A FR2445653A1 (fr) 1978-12-25 1979-12-24 Dispositif de detection pour une montre electronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16150978A JPS5587976A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch

Publications (2)

Publication Number Publication Date
JPS5587976A true JPS5587976A (en) 1980-07-03
JPS6262307B2 JPS6262307B2 (enrdf_load_stackoverflow) 1987-12-25

Family

ID=15736403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16150978A Granted JPS5587976A (en) 1978-12-25 1978-12-26 Device for detecting electronic watch

Country Status (1)

Country Link
JP (1) JPS5587976A (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341270A (en) * 1976-09-27 1978-04-14 Seiko Epson Corp Electronic wristwatch
JPS53132171A (en) * 1977-04-22 1978-11-17 Kobe Steel Ltd Process for wastewater treatment
JPS5587077A (en) * 1978-12-25 1980-07-01 Seiko Instr & Electronics Ltd Detector for electronic watch
JPS5587076A (en) * 1978-12-25 1980-07-01 Seiko Instr & Electronics Ltd Electronic watch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341270A (en) * 1976-09-27 1978-04-14 Seiko Epson Corp Electronic wristwatch
JPS53132171A (en) * 1977-04-22 1978-11-17 Kobe Steel Ltd Process for wastewater treatment
JPS5587077A (en) * 1978-12-25 1980-07-01 Seiko Instr & Electronics Ltd Detector for electronic watch
JPS5587076A (en) * 1978-12-25 1980-07-01 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
JPS6262307B2 (enrdf_load_stackoverflow) 1987-12-25

Similar Documents

Publication Publication Date Title
KR830009489A (ko) 고정밀 ac전기 에너지 측정시스템
GB9709710D0 (en) Conditioner circuit for torque sensor
EP0158512A3 (en) Reset circuit
JPS55121156A (en) Core disconnection detection unit
JPS5326175A (en) Electronic watch
FR2388329B1 (enrdf_load_stackoverflow)
MY8000208A (en) Improvements in or relating to battery voltage detector circuits
JPS5587976A (en) Device for detecting electronic watch
JPS57186351A (en) Semiconductor device
JPS5475520A (en) Operation detecting circuit of step motor
JPS5587978A (en) Device for detecting electronic watch
JPS5477165A (en) Electronic watch
KR920009033A (ko) 제어 전압이 증가함에 따라 출력이 감소하는 구분(區分)적 전류원
HK10487A (en) A detecting circuit for an electronic timepiece
JPS5788375A (en) Electronic clock
JPS5522175A (en) Sensor circuit
JPS5345576A (en) Electronic wristwatch
JPS5384686A (en) Power source current measuring method of highly integrated ic
JPS5649949A (en) Electric hygrometer
JPS54119295A (en) Humidity detector
SU610291A1 (ru) Компаратор напр жений
GB2059648B (en) Electronic timepiece with stepping motor
JPS5629477A (en) Slow start control device for induction motor
JPS5539016A (en) Electronic watch
JPS573019A (en) Burn-out detector for resistance thermometer