AR220153A1 - Reloj electrico - Google Patents

Reloj electrico

Info

Publication number
AR220153A1
AR220153A1 AR273995A AR27399578A AR220153A1 AR 220153 A1 AR220153 A1 AR 220153A1 AR 273995 A AR273995 A AR 273995A AR 27399578 A AR27399578 A AR 27399578A AR 220153 A1 AR220153 A1 AR 220153A1
Authority
AR
Argentina
Prior art keywords
electric watch
watch
electric
Prior art date
Application number
AR273995A
Other languages
English (en)
Original Assignee
Quarz Zeit Ag
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 Quarz Zeit Ag filed Critical Quarz Zeit Ag
Application granted granted Critical
Publication of AR220153A1 publication Critical patent/AR220153A1/es

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)
AR273995A 1977-11-03 1978-10-06 Reloj electrico AR220153A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772749141 DE2749141A1 (de) 1977-11-03 1977-11-03 Elektrische uhr

Publications (1)

Publication Number Publication Date
AR220153A1 true AR220153A1 (es) 1980-10-15

Family

ID=6022901

Family Applications (1)

Application Number Title Priority Date Filing Date
AR273995A AR220153A1 (es) 1977-11-03 1978-10-06 Reloj electrico

Country Status (11)

Country Link
US (1) US4254491A (es)
JP (1) JPS5468674A (es)
AR (1) AR220153A1 (es)
AU (1) AU520115B2 (es)
BR (1) BR7807133A (es)
CH (1) CH624818B (es)
DE (1) DE2749141A1 (es)
ES (1) ES474038A1 (es)
FR (1) FR2408166A1 (es)
GB (1) GB2007408B (es)
ZA (1) ZA785653B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359751A (en) * 1979-09-04 1982-11-16 Kaye Instruments, Inc. Stepper motor for data recorder
JPS5643575A (en) * 1979-09-18 1981-04-22 Seiko Instr & Electronics Ltd Electronic clock
JPS56164984A (en) * 1980-05-23 1981-12-18 Seiko Instr & Electronics Ltd Electronic watch
JPS60127576A (ja) * 1983-12-15 1985-07-08 Mitsubishi Electric Corp 磁気デイスク装置
GB2156172B (en) * 1984-03-19 1988-11-02 Westinghouse Electric Corp Stepper motor torque control apparatus and method
US5255247A (en) * 1988-04-06 1993-10-19 Seiko Epson Corporation Electronic timepiece including integrated circuitry
US5253229A (en) * 1988-04-06 1993-10-12 Seiko Epson Corporation Electronic timepiece including integrated circuitry
JPH0729513Y2 (ja) * 1988-04-06 1995-07-05 セイコーエプソン株式会社 電子時計用回路
JPH0332396A (ja) * 1989-06-28 1991-02-12 Sharp Corp ステッピングモータ駆動装置
US5105140A (en) * 1990-01-11 1992-04-14 Baxer International Inc. Peristaltic pump motor drive
JP2002341065A (ja) * 2001-05-21 2002-11-27 Seiko Instruments Inc アナログ電子時計

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566600A (en) * 1968-06-21 1971-03-02 Matsushita Electric Ind Co Ltd Electric time-piece
FR2218588B1 (es) * 1973-02-19 1977-09-16 Kienzle Uhrenfabriken Gmbh
DE2359142C2 (de) * 1973-11-28 1982-04-22 Vdo Adolf Schindling Ag, 6000 Frankfurt Elektrische Uhr mit Schrittmotor
US4055785A (en) * 1976-01-12 1977-10-25 Fumio Nakajima Stepping motor for electronic timepiece
US4127801A (en) * 1977-05-16 1978-11-28 The Superior Electric Company Power chopper supply for a bifilar wound stepping motor

Also Published As

Publication number Publication date
GB2007408A (en) 1979-05-16
AU4093178A (en) 1980-04-24
JPS5468674A (en) 1979-06-01
CH624818GA3 (es) 1981-08-31
AU520115B2 (en) 1982-01-14
FR2408166A1 (fr) 1979-06-01
CH624818B (de)
ES474038A1 (es) 1979-05-01
US4254491A (en) 1981-03-03
ZA785653B (en) 1979-10-31
DE2749141A1 (de) 1979-05-10
GB2007408B (en) 1982-05-12
BR7807133A (pt) 1979-07-17

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