| 摘要 |
A casing ( 1 ); a first conductive track ( 31 ) and a second conductive track ( 27 ); a first conductive dome ( 3 ) which is resiliently deformable so as to be able to pass to a configuration, in which it forms an electrical contact between the first track ( 31 ) and second track ( 27 ); and an activation device comprising an operation element ( 9 ) which is mounted in the casing so as to slide in an orthogonal manner (X) relative to the axis of deformation (Z). It further comprises: a third conductive track ( 34 ); and a second conductive dome ( 5 ) which is superimposed on the first ( 3 ) and which is resiliently deformable so as to be able to pass, under the action of an activation pressure, successively from a rest configuration, in which it is in electrical contact only with the third track ( 34 ), to a configuration of partial deformation, in which it forms an electrical contact with the first dome ( 3 ), and to a configuration of maximum deformation which corresponds to the configuration of maximum deformation of the first dome ( 3 ). Use in a release device for a camera.
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