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Inventor:
Schwab; Jean-Francois
Address:
Schwalbach, DE
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
4340828 Single phase stepping motor July 20, 1982
A single phase stepping motor, particularly for clocks, with a rotor having several pole teeth and a stator, the latter being made of two stator parts connected with one another via a bridge part, the latter carrying the excitation winding, of which each stator part on its free end has a
4267472 Single phase stepping motor, particularly for clocks May 12, 1981
A single phase stepping motor, particularly for clocks, having a disc-like axially magnetized rotor with a number of rotor poles and a stator, which stator is made of at least two stator parts connected with one another via a bridge part carrying the excitation winding. Each stator part
4233680 Electric clock November 11, 1980
An electric clock with a quartz oscillator, a frequency divider connected following the latter and an output stage driven by the latter, in the output of the output stage there being disposed a single phase stepping motor which acts on a clockwork gear train driving the hour indicator an
4206376 Single phase stepping motor June 3, 1980
A single phase stepping motor, particularly for clocks, with a rotor having several pole teeth and a stator, the latter being made of two stator parts connected with one another via a bridge part, the latter carrying the excitation winding, of which each stator part on its free end trans










 
 
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