G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 17/10 (2006.01) F21V 33/00 (2006.01) G01S 17/02 (2006.01) G01S 17/06 (2006.01) B60Q 1/02 (2006.01) B60W 30/08 (2006.01) G01S 17/93 (2006.01)
Patent
CA 2635155
A method for detecting an object using visible light comprises providing a visible-light source having a function of illuminating an environment. The visible-light source is driven to emit visible light in a predetermined mode, with visible light in the predetermined mode being emitted such that the light source maintains said function of illuminating an environment. A reflection/backscatter of the emitted visible light is received from an object. The reflection/backscatter is filtered over a selected wavelength range as a function of a desired range of detection from the light source to obtain a light input. The presence or position of the object is identified with the desired range of detection as a function of the light input and of the predetermined mode.
Babin Francois
Cantin Daniel
Gallant Pascal
Institut National D'optique
Leddartech Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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