A projection system having a process utilizing three-dimensional data, thereby allowing the system to account for rotational and translational differences between the projector and the object upon which the laser light is directed. Reference sensors located on the object are in a known relationship to...http://www.google.es/patents/US5450147?utm_source=gb-gplus-sharePatente US5450147 - Method for controlling projection of optical layup template utilizing cooperative targets
Method for controlling projection of optical layup template utilizing ...