A co-planar system for determining the shape and dimensions of a surface of an object includes a projector for projecting in a selected plane onto the object a spatially coded pattern of radiation, e.g., light. The system also includes a receiving device capable of imaging the reflected pattern in the...http://www.google.fr/patents/US5986745?utm_source=gb-gplus-shareBrevet US5986745 - Co-planar electromagnetic profile scanner
