Control device with multiple axial positions for electronic...

Details Control device with multiple axial positions for electronic... Control device with multiple axial positions for electronic...

2006-09-26

2006-09-26

Cuneo, Kamand (Department: 2841)

Horology: time measuring systems or devices

Cases

With crown or stem details

C368S321000

Reexamination Certificate

active

07111979

ABSTRACT:
The present invention concerns a control device for electronic apparatus of the electronic stem type, adapted to be shifted between a plurality of axial positions. According to one preferred embodiment, the stem (1), with axis X, has four different axial positions. Two contact clips (21, 22, 60, 61) mutually offset in the direction of the axis X are provided to make contact with two respective power supply terminals (19, 20, 75, 76) of a source of electrical power supply. The stem comprises a plurality of cylindrical portions (36, 38, 50, 51, 52) which cooperate with deformable extensions (27, 28, 64, 65) of the contact clips to deform them in a direction substantially perpendicular to the axis X. Thus, in accordance with the axial position of the stem (1), the contact clips (21, 22, 60, 61) can be in different electrical states, i.e. isolated or connected to the source of power supply, independently of one another. As a result the assembly formed by the two contact clips can exhibit four different states, each being representative of a given axial position of the stem.

REFERENCES:
patent: 1909783 (1933-05-01), McWhirter
patent: 3145275 (1964-08-01), Gildart
patent: 3832843 (1974-09-01), Wuthrich
patent: 4409448 (1983-10-01), Matsui et al.
patent: 5305291 (1994-04-01), Kamens et al.
patent: 6203190 (2001-03-01), Stotz
patent: 6896403 (2005-05-01), Grau
patent: 2001/0053109 (2001-12-01), Ehrsam et al.
patent: 244267 (1946-08-01), None

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