Height-limit calculation apparatus, height-limit calculation...

Details Height-limit calculation apparatus, height-limit calculation... Height-limit calculation apparatus, height-limit calculation...

2011-01-11

2011-01-11

Toatley, Gregory J (Department: 2877)

Optics: measuring and testing

Shape or surface configuration

C356S301000, C356S613000, C356S628000, C700S098000, C700S117000, C700S182000

Reexamination Certificate

active

07869059

ABSTRACT:
A height-limited-area-information creating device creates a clip plane on a base plane of a printed circuit board, and sets a view so that an image faces the base plane and a normal to the base plane represents a depth direction of the image. According to the view, a three-dimensional image of a chassis-side component is created. The base plane is divided into unit areas, and one of the unit areas is selected. Coordinates of vertices of the selected unit area are transformed to screen coordinates to acquire a component and a polygon at the position of the screen coordinates. Distances from respective four vertices to the polygon are calculated as height, and a minimum value is determined as a maximum height for the unit area.

REFERENCES:
patent: 6518966 (2003-02-01), Nakagawa
patent: 6606788 (2003-08-01), Morimoto et al.
patent: 2008/0189080 (2008-08-01), Tenma et al.
patent: 2009/0128648 (2009-05-01), Ikeda et al.
patent: 11-073434 (1999-03-01), None
patent: 11-328445 (1999-11-01), None
patent: 2003-196324 (2003-07-01), None
Japanese Office Action for Corresponding Application No. JP 2006-265886, mailed on Aug. 31, 2010.

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