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Institut National D'optique

Centre De Recherche Industrielle Du Quebec

Marc-André Boucher

Frédéric Lamontagne

Marc Lévesque

Denis Hotte

Paul Grenier

Yann Le Bihan

Marc Daigle

A sun-tracking light distributor for a photosynthetic culture in an aqueous liquid, comprising: two light distribution walls made of a transparent material, creating an elongated V-shaped channel adapted to receive the sunlight and to be partly immersed in the aqueous liquid, the sun-tracking light distributor has a center of buoyancy, a vertical passing through the center of buoyancy defines an axis of flotation, and a pivot axis of the sun-tracking light distributor is offset relative to the axis of flotation. Owing to the offset pivot axis, the orientation of the light distributor is changed by varying the level of aqueous liquid, thus allowing a tracking of the sun's altitude.

V-shaped light distributor system

An in-line roller skate having a shoe and a wheel supporting frame extending therefrom for supporting aligned wheels. The frame includes a main frame body mounted to the shoe and at least one auxiliary frame body for supporting a wheel and being pivotally mounted to the main frame body. A resilient and deformable member is interposed between the auxiliary frame body and the shoe. The auxiliary frame body is so pivotable as to provide for moving the wheel towards and away the shoe for a distance determined by the extension and compression of the resilient and deformable member.

Frame for an in-line roller skate having a movable wheel-receiving element

Growing community of inventors

Lac-Beauport, Canada

Marc-André Boucher