GB2059648B - Electronic timepiece with stepping motor - Google Patents

Electronic timepiece with stepping motor

Info

Publication number
GB2059648B
GB2059648B GB8027986A GB8027986A GB2059648B GB 2059648 B GB2059648 B GB 2059648B GB 8027986 A GB8027986 A GB 8027986A GB 8027986 A GB8027986 A GB 8027986A GB 2059648 B GB2059648 B GB 2059648B
Authority
GB
United Kingdom
Prior art keywords
detector circuit
load current
electronic timepiece
stepping motor
rotor
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.)
Expired
Application number
GB8027986A
Other languages
English (en)
Other versions
GB2059648A (en
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.)
Berney SA Jean Claude
Original Assignee
Berney SA Jean Claude
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 Berney SA Jean Claude filed Critical Berney SA Jean Claude
Publication of GB2059648A publication Critical patent/GB2059648A/en
Application granted granted Critical
Publication of GB2059648B publication Critical patent/GB2059648B/en
Expired 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)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
GB8027986A 1979-09-10 1980-08-29 Electronic timepiece with stepping motor Expired GB2059648B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH813779A CH635722B (fr) 1979-09-10 1979-09-10 Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas.

Publications (2)

Publication Number Publication Date
GB2059648A GB2059648A (en) 1981-04-23
GB2059648B true GB2059648B (en) 1983-06-29

Family

ID=4335723

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8027986A Expired GB2059648B (en) 1979-09-10 1980-08-29 Electronic timepiece with stepping motor

Country Status (5)

Country Link
JP (1) JPS56111485A (enrdf_load_stackoverflow)
CH (1) CH635722B (enrdf_load_stackoverflow)
DE (1) DE3033350C2 (enrdf_load_stackoverflow)
FR (1) FR2465229A1 (enrdf_load_stackoverflow)
GB (1) GB2059648B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2900153B1 (ja) * 1998-02-10 1999-06-02 セイコーインスツルメンツ株式会社 アナログ電子時計

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114467A (en) * 1977-03-16 1978-10-05 Seiko Instr & Electronics Ltd Electronic watch
JPS586400B2 (ja) * 1977-11-29 1983-02-04 セイコーエプソン株式会社 電子時計
JPS5477165A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
DE3033350C2 (de) 1983-04-28
JPH0118398B2 (enrdf_load_stackoverflow) 1989-04-05
CH635722B (fr)
DE3033350A1 (de) 1981-03-12
CH635722GA3 (enrdf_load_stackoverflow) 1983-04-29
JPS56111485A (en) 1981-09-03
GB2059648A (en) 1981-04-23
FR2465229B1 (enrdf_load_stackoverflow) 1983-06-24
FR2465229A1 (fr) 1981-03-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920829