Electronic timepiece with analog display

Details Electronic timepiece with analog display Electronic timepiece with analog display

1992-01-13

1992-12-15

Roskoski, Bernard

Horology: time measuring systems or devices

Electrical time base

Solid state oscillating circuit type

368159, 368 88, G04B 500

Patent

active

051723492

ABSTRACT:
The timepiece of this invention comprises an electromagnetic motor (100) the stator (2) of which is flat and at least partially covered by a reinforcement plate (68) of non-magnetic material or, if need be, of very low magnetic permeability which has been attached to it, preferably by welding, prior to subjecting it in bulk along with others, to reheating thereby to protect it during such operation against the risk of deformation or breakage which would render it thereafter unusable. In conformity with the invention and to avoid such plate becoming a useless extra part taking up space in the timepiece, it includes means which enable it to form at the same time another element of the timepiece. Such element may be for instance a trigger piece jumper spring (72) which cooperates with a trigger piece (212) in order to define stable positions of a manual control stem (184) which may be axially displaced.

REFERENCES:
patent: 4483627 (1984-11-01), Muller et al.
patent: 4788669 (1988-11-01), Kamiyama
patent: 4800545 (1989-01-01), Wuthrich et al.
patent: 4969133 (1990-11-01), Triponez

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