Optics: measuring and testing – Inspection of flaws or impurities
Reexamination Certificate
2005-07-19
2005-07-19
Stafira, Michael P. (Department: 2877)
Optics: measuring and testing
Inspection of flaws or impurities
C356S237200
Reexamination Certificate
active
06919956
ABSTRACT:
A method and apparatus automatically repairs cracks produced in a member to be repaired. A wide field image is obtained by photographing the whole surface of a blade31or the like in a wide field view by a remote camera11and the position of cracks on the surface of the blade is obtained as a rough position information of the cracks by processing the image of wide field view. Then the cracks are photographed in a narrow field view at the predetermined spacing along the cracks based on the rough position information by a light section method. The narrow field images are processed to obtain the position, width, and depth of the crack at each predetermined spacing, which compose crack data at the series of points, and the cracks are repaired based on the crack data at the series of points.
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Fujita Ken
Kitagawa Tomoaki
Mega Masahiko
Takeuchi Yasushi
Tsunatani Toshihiko
Mitsubishi Heavy Industries Ltd.
Stafira Michael P.
Wenderoth , Lind & Ponack, L.L.P.
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