An apparatus and method for measuring the length and/or width of a piece of material, such as hot aluminum plate. The apparatus has a measuring range defined by a plurality of cameras. A video screen is selectively connectable to the cameras to depict their viewing ranges. The apparatus, after an operator...http://www.google.fr/patents/US4805019?utm_source=gb-gplus-shareBrevet US4805019 - Non-contact apparatus and method for measuring the length of aluminum sheet and plate
Non-contact apparatus and method for measuring the length of aluminum sheet ...
