Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1974-08-14
1976-03-02
Stolwein, Walter
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
356200, 250223R, 250234, 83371, G01N 2132
Patent
active
039420213
ABSTRACT:
An apparatus for optimizing the yield of predetermined usable pieces from a workpiece such as a board of lumber or the like having randomly disposed defects designated on a plane surface thereof including means for scanning the workpiece to detect unusable defect containing areas on the plane surface, means for forming and storing a primary bit matrix corresponding to a pattern of scanned unusable defect containing areas, means for identifying predetermined combinable unusable defect containing areas and predetermined combinable unusable non-defect containing areas on the primary bit matrix, means for merging identified combinable unusable defect and non-defect containing areas to produce a list defining a pattern consisting of one or a combination of a group consisting of combined and uncombined unusable areas, defining usable areas, means for establishing and storing predetermined billing requirements, means for successively determining on the basis of the usable area information and the predetermined billing requirements, various cutting patterns for the workpiece, means for selecting the cutting pattern which is determined to produce the optimum yield for the workpiece in accordance with the billing requirements, and means for dividing the workpiece in accordance with the selected cutting pattern.
REFERENCES:
patent: 3274390 (1966-09-01), Umbel
patent: 3329181 (1967-07-01), Buss et al.
patent: 3410643 (1968-11-01), Jorgensen
patent: 3619578 (1971-11-01), George
patent: 3737666 (1973-06-01), Dutro
Barr Anthony J.
Mullin Alexander G.
National Association of Furniture Manufacturers, Inc.
Stolwein Walter
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