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Publication numberEP0137093 A3
Publication typeApplication
Application numberEP19840101561
Publication date29 May 1985
Filing date21 Jan 1982
Priority date18 Mar 1981
Also published asDE3276268D1, EP0060806A1, EP0060806B1, EP0137093A2, EP0137093B1, US4446413, US4568867
Publication number1984101561, 84101561, 84101561.3, EP 0137093 A3, EP 0137093A3, EP-A3-0137093, EP0137093 A3, EP0137093A3, EP19840101561, EP84101561
InventorsHans-Jurgen Remus, Luciano Marco Antognini
ApplicantAsulab S.A.
Export CitationBiBTeX, EndNote, RefMan
External Links: Espacenet, EP Register
Method of measuring the voltage induced in the coil of a stepping motor by the rotation of its rotor
EP 0137093 A3
Abstract  available in
Description  available in
Claims  available in
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
CH616819A * Title not available
DE2944872B1 *7 Nov 197926 Mar 1981Junghans Gmbh GebAnordnung zur Steuerung eines Schrittmotors fuer batteriebetriebene Geraete
FR2220919A1 * Title not available
JP53072112A * Title not available
US4114364 *28 Jan 197719 Sep 1978Kabushiki Kaisha Daini SeikoshaDriving pulse width controlling circuit for a transducer of an electronic timepiece
US4158287 *3 Aug 197719 Jun 1979Citizen Watch Company LimitedDriver circuit for electro-mechanical transducer
Non-Patent Citations
Reference
1 *ACTES DU 10e CONGRES INTERNATIONAL DE CHRONOMETRIE, vol. 3, 10-14 septembre 1979, pages 67-72, Genève, CH; M. UEDA et al.: "Adaptive controlled drive system of stepping motor for analog quartz watch"
2 *ACTES DU 10e CONGRES INTERNATIONAL DE CHRONOMETRIE, vol. 3, 10-14 septembre 1979, pages 73-80, Genève, CH; A. PITTET et al.: "Amélioration de la fiabilité et de la consommation d'énergie de moteur pas à pas par une technique d'auto-controle"
3 *PATENTS ABSTRACTS OF JAPAN, vol. 2, no. 106, 31 août 1978, page 5635E78; & JP - A - 53 072 112
Classifications
International ClassificationG01R19/155, H02P8/02, G04C3/14, H02P8/12
Cooperative ClassificationG04C3/143
European ClassificationG04C3/14B
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