G - Physics – 05 – D
Patent
G - Physics
05
D
341/102, 350/32
G05D 3/00 (2006.01) B23Q 15/20 (2006.01) B23Q 17/24 (2006.01) H05K 3/00 (2006.01) H05K 1/02 (2006.01)
Patent
CA 1075795
PHB 32467C 9.9.75 ABSTRACT: An automatic machine comprises a two-dimensional positioning table, means for measuring the dispositions attained by the table in each of said dimensions and a tool holder having an operative center ill respect to said two dimensions. Furthermore means are provided for imaging a graticule means to an operative plane of the table so that the center of said image is substantially aligned with the operative center of the tool holder. A visual input device is positioned to view a part of said operative plane including said graticule image and com- prises pattern recognition apparatus for a) identifying a predetermined mark on a flat surface of an object carried by said table, said flat surface lying in said operative plane, b) identifying said graticule image, c) measuring the separation of said mark from said graticule image centre. Furthermore driving means are present for driving a relative displacement between the table and the tool holder corresponding to said measured separation to align said mark with said graticule image centre. - 38 -
236845
Hale Jacques A.g.
Paterson David
Saraga Peter
Turner-Smith Alan R.
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