US Patent 10381387 Optical imaging device

Optical imaging device comprising:an array of substantially point light sources,an array of photo-detectors interlaced with the array of light sources,an optical medium of thickness greater than the pitch of the photo-detectors and forming capture and detection surfaces,means for successively switching on and off each of a part of the light sources and reading a part of the photo-detectors receiving rays coming from the switched on source and having undergone reflection against the detection surface while forming an angle of incidence estimated as a function of the optical medium and the element to image.