Browse Prior Art Database

Material Defect Scanner

IP.com Disclosure Number: IPCOM000090874D
Original Publication Date: 1969-Aug-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 35K

Publishing Venue

IBM

Related People

Randlev, PL: AUTHOR

Abstract

This system detects defects in material such as wood and performs an algorithm for determining the maximum amount of material which can be used after eliminating the defective areas. The defective areas are located and marked with two points 1 and 2. These are disposed in opposite diagonal corners of rectangle 3 circumscribed around defect 4 on board 5. Rectangle 3 is roughly tangent to the edges of defect 4 and at its center is tangent to the surface of the center of such defect, if it is on a curved surface, such as a log. The defective areas can be indicated by two marks applied in several ways, such as small nails 1 and 2, staples, red adhesive tape, electrically conductive paint, crayon, a probe in connection with an X-Y coordinate mechanism, a digitizing mechanism, and marks made with a stylus.

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Material Defect Scanner

This system detects defects in material such as wood and performs an algorithm for determining the maximum amount of material which can be used after eliminating the defective areas. The defective areas are located and marked with two points 1 and 2. These are disposed in opposite diagonal corners of rectangle 3 circumscribed around defect 4 on board 5. Rectangle 3 is roughly tangent to the edges of defect 4 and at its center is tangent to the surface of the center of such defect, if it is on a curved surface, such as a log. The defective areas can be indicated by two marks applied in several ways, such as small nails 1 and 2, staples, red adhesive tape, electrically conductive paint, crayon, a probe in connection with an X-Y coordinate mechanism, a digitizing mechanism, and marks made with a stylus. Marking of the work is performed by the operator prior to sending the work to a sensing device which can be optical, electrical, or any other type of sensor 6 which is connected to computer 7. The latter then performs the algorithm in accordance with the input values received. The output from computer 7 is to be used to direct an operator via I/O device 8 or to operate an automatic saw controller 9, etc.

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