DE3034395A1 - Elektronische analoguhr - Google Patents

Elektronische analoguhr

Info

Publication number
DE3034395A1
DE3034395A1 DE19803034395 DE3034395A DE3034395A1 DE 3034395 A1 DE3034395 A1 DE 3034395A1 DE 19803034395 DE19803034395 DE 19803034395 DE 3034395 A DE3034395 A DE 3034395A DE 3034395 A1 DE3034395 A1 DE 3034395A1
Authority
DE
Germany
Prior art keywords
analog clock
electronic analog
electronic
clock
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
DE19803034395
Other languages
English (en)
Other versions
DE3034395C2 (de
Inventor
Masaharu Shida
Makoto Ueda
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
Priority to JP11979979A priority Critical patent/JPS5643575A/ja
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of DE3034395A1 publication Critical patent/DE3034395A1/de
Application granted granted Critical
Publication of DE3034395C2 publication Critical patent/DE3034395C2/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
DE19803034395 1979-09-18 1980-09-12 Expired DE3034395C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11979979A JPS5643575A (en) 1979-09-18 1979-09-18 Electronic clock

Publications (2)

Publication Number Publication Date
DE3034395A1 true DE3034395A1 (de) 1981-04-16
DE3034395C2 DE3034395C2 (de) 1986-04-10

Family

ID=14770506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803034395 Expired DE3034395C2 (de) 1979-09-18 1980-09-12

Country Status (6)

Country Link
US (1) US4433401A (de)
JP (1) JPS5643575A (de)
CH (1) CH646031A (de)
DE (1) DE3034395C2 (de)
FR (1) FR2466132A1 (de)
GB (1) GB2059649B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3214543A1 (de) * 1981-04-23 1982-11-11 Shimauchi Seiki Kk Elektronische analoguhr
DE3149995C1 (de) * 1981-12-17 1983-05-05 Junghans Gmbh Geb Verfahren zum Erstellen eines Uhrenschrittmotor-Stators und Stator eines Uhrenschrittmotors

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH646575A (de) * 1981-10-02 1984-12-14
CH646576A (de) * 1981-10-02 1984-12-14
JPH0232594B2 (de) * 1981-11-19 1990-07-20 Shimauchi Seiki Kk
JPH0358073B2 (de) * 1982-07-15 1991-09-04 Seiko Epson Corp
CH653852A (de) * 1984-02-29 1986-01-31
JPH045956B2 (de) * 1986-04-08 1992-02-04 Seiko Instr & Electronics
KR0151839B1 (ko) * 1989-05-26 1998-12-15 야마무라 가쓰미 전원 회로
DE4305981C2 (de) * 1993-02-26 1999-03-11 Bruker Franzen Analytik Gmbh Verfahren und Vorrichtung zur quantitativen Analyse von Gasgemischen mittels resonanter Lasermassenspektrometrie bei stark fluktuierenden Meßsignalen
DE69511649T2 (de) * 1994-04-06 2000-04-06 Citizen Watch Co Ltd Elektronische uhr
DE69621392T2 (de) * 1995-09-20 2003-01-09 Citizen Watch Co Ltd Elektronische Uhr
JP3541601B2 (ja) * 1997-02-07 2004-07-14 セイコーエプソン株式会社 ステッピングモーターの制御装置、その制御方法および計時装置
JPH11127595A (ja) * 1997-08-11 1999-05-11 Seiko Epson Corp 電子機器
US5877608A (en) * 1997-11-21 1999-03-02 Philips Electronics North America Corporation Current regulated multiphase motor driver with a common current sense element
CA2302171A1 (en) 1999-04-23 2000-10-23 Eta Sa Fabriques D'ebauches Method for controlling a stepping motor and device for implementing such method
EP1046969B1 (de) * 1999-04-23 2007-12-12 ETA SA Manufacture Horlogère Suisse Verfahren zur Steuerung eines Schrittmotors und Vorrichtung zur Anwendung dieses Verfahrens
JP2010220408A (ja) * 2009-03-17 2010-09-30 Seiko Instruments Inc ステッピングモータ制御回路及びアナログ電子時計
JP2010256137A (ja) * 2009-04-23 2010-11-11 Seiko Instruments Inc ステッピングモータ制御回路及びアナログ電子時計
KR200454248Y1 (ko) 2009-06-04 2011-06-23 한길용 스테핑 모터 제어 장치
JP2011234604A (ja) * 2010-04-06 2011-11-17 Seiko Instruments Inc ステッピングモータ制御回路及びアナログ電子時計

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817624A1 (de) * 1977-04-23 1978-10-26 Seiko Instr & Electronics Elektronische uhr
DE3026321A1 (de) * 1979-07-13 1981-01-29 Seiko Instr & Electronics Elektronische uhr

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158287A (en) * 1976-08-12 1979-06-19 Citizen Watch Company Limited Driver circuit for electro-mechanical transducer
JPS6217198B2 (de) * 1976-10-06 1987-04-16 Seikoo Epuson Kk
US4107595A (en) * 1977-01-24 1978-08-15 Teletype Corporation Current control system for a stepping motor
JPS6137588B2 (de) * 1977-04-23 1986-08-25 Seiko Denshi Kogyo Kk
GB1602898A (en) * 1977-04-26 1981-11-18 Suwa Seikosha Kk Circuit for detecting a voltage
US4140955A (en) * 1977-05-12 1979-02-20 Fluke Trendar Corporation Stepping motor drive method and apparatus
JPS5413378A (en) * 1977-07-01 1979-01-31 Citizen Watch Co Ltd Electronic watch
GB2006995B (en) * 1977-09-26 1982-11-17 Citizen Watch Co Ltd Drive system for pulse motor
DE2749141A1 (de) * 1977-11-03 1979-05-10 Quarz Zeit Ag Elektrische uhr
JPS6115387B2 (de) * 1977-12-02 1986-04-23 Seiko Denshi Kogyo Kk
CH616044A (de) * 1977-12-16 1980-03-14
CH616813A (de) * 1977-12-28 1980-04-30
US4295083A (en) * 1979-07-02 1981-10-13 The Superior Electric Company Pulsed energy stepping motor power control unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817624A1 (de) * 1977-04-23 1978-10-26 Seiko Instr & Electronics Elektronische uhr
DE3026321A1 (de) * 1979-07-13 1981-01-29 Seiko Instr & Electronics Elektronische uhr

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3214543A1 (de) * 1981-04-23 1982-11-11 Shimauchi Seiki Kk Elektronische analoguhr
DE3149995C1 (de) * 1981-12-17 1983-05-05 Junghans Gmbh Geb Verfahren zum Erstellen eines Uhrenschrittmotor-Stators und Stator eines Uhrenschrittmotors

Also Published As

Publication number Publication date
GB2059649B (en) 1983-05-05
DE3034395C2 (de) 1986-04-10
JPS5643575A (en) 1981-04-22
FR2466132A1 (fr) 1981-03-27
US4433401A (en) 1984-02-21
CH646031A (de) 1984-11-15
GB2059649A (en) 1981-04-23

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: SEIKO INSTRUMENTS AND ELECTRONICS LTD., TOKIO, JP

D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)