Device comprising a variable-rigidity mobile structure preferably with electrostatic control
OwnerEric Ollier, Roy Davidinventors
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Abstract
Device comprising a mobile structure with variable stiffness, preferably with electrostatic control. The stiffness of the mobile structure (12) is modified during its displacement, in order to reduce the electrical instability area, partially linearize the deformation curve and/or increase the amplitude of the deformation for a negligible increase in the control voltage. This may be achieved by the use of a fixed structure (12) with a surface (S) on which a flexible beam (22) of the mobile structure (12) bears at at least one point (P).
Claims10
Device comprising a fixed structure (10), a mobile structure (12) connected to the fixed structure by flexible support means (22), and control means (14, 16) capable of displacing the mobile structure, the device having a given global stiffness and being characterized in that the mechanical stiffness control means (22, 17, 26, 26′, 28, 30, 34) are associated with the mobile structure (12) and are capable of modifying the said global stiffness so that it varies with the displacement (F) of the mobile structure (12).
Dependencies are inferred from the claim text.