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Davenne
Franc Davenne, Thourotte FR
| Patent application number | Description | Published |
|---|---|---|
| 20110187855 | DEVICE FOR ANALYSING THE SURFACE OF A SUBSTRATE - An analysis device for analysing a transparent or specular surface of a substrate, the device including a raster located opposite the surface of the substrate to be measured, a video camera for capturing at least one image of the raster deformed by the measured substrate, a raster lighting system, and an image-processing and digital analysis mechanism connected to the video camera. The video camera is a matrix array camera, the raster is provided on a substrate having an oblong shape and is bidirectional including a first pattern extending along a first direction and along a smallest extension of the substrate, the first pattern being transversely periodical to the smallest extension, and a second pattern extending in a second direction perpendicular to the first pattern and along a largest extension of the substrate. | 08-04-2011 |
Tristan Richard Ghislain Davenne, Essex GB
| Patent application number | Description | Published |
|---|---|---|
| 20100296958 | Screw Pump - A screw pump ( | 11-25-2010 |
Tristan Richard Ghislain Davenne, West Sussex GB
| Patent application number | Description | Published |
|---|---|---|
| 20090114047 | Gear Assembly - A gear assembly for transmitting torque from one shaft to another comprises two intermeshing gears mounted on respective shafts. One of the gears comprises a hub member for receiving one of the shafts, a toothed annular member mounted for rotation with the hub member. At least one spring provided between the hub member and the annular member has stiffness capable of reducing torsional vibrations and noise induced during rotation of the gears by the eccentricity of at least one of the gears. | 05-07-2009 |