Xerox Corporation

James A Dunst

David R Kamprath

James D Walsh

Guido Nicholas Dimatteo, Iii

A method for evaluating a three-dimensional (3D) object produced by a three-dimensional (3D) object printer includes generating with a scanner a first data file of the 3D object produced by the three-dimensional object printer. The first data file includes data corresponding to an interior surface and an exterior surface of the 3D object. The method further includes comparing the first data file with a second data file. The second data file is used to operate the three-dimensional object printer to produce the 3D object. The method further includes identifying differences between the first data file and the second data file and identifying a process to rectify a defect on the 3D object based on the identified differences to enable evaluation of the production of the 3D object by the three-dimensional object printer.

System and method for evaluation of a three-dimensional (3D) object during formation of the object

A vehicle collision avoidance signaling method and system are disclosed. The collision signal captures the attention of a distracted driver for the driver to brake appropriately. The vehicle collision warning signal and lighting system automatically alerts an approaching driver of a stopped or slowed vehicle via a strobe or flashing lighting system. An onboard driver is also alerted to the approaching vehicle. Rear vehicle sensors can sense vehicles approaching from the rear and determine the distance, velocity, and the deceleration of the approaching vehicle. A processor processes the signal and integrates with the onboard vehicle's speedometer signal and braking system. If the approaching car's rate of closure is determined to be extreme compared to the vehicle's location, a bright strobe signal along with the brake signal would be automatically given The intensity of the strobe warning can be determined by the rate and distance at which a vehicle is approaching.

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Victor, NY, United States of America

James A Dunst