Printed circuit board testing system with page scanner

Details Printed circuit board testing system with page scanner Printed circuit board testing system with page scanner

1998-03-02

2000-04-11

Gordon, Paul P.

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Digital positioning

356392, 382145, 382147, 39550006, G05B 1900

Patent

active

060497408

ABSTRACT:
A method for verification of components installed on a printed circuit board includes the step of capturing an image of an entire printed circuit board and components mounted thereon using a scanning device. After it has been determined that a printed circuit board having no defects, the scanned image of the circuit board has no defects is stored in a memory. The image of the entire printed circuit board under test, and having potential defects is then captured using a scanning device. The image of the printed circuit board under test is then stored in a memory. The stored image of the printed circuit board having no defects is then overlaid in registration with the stored image of the printed circuit board with potential defects on a display in alternating sequence in order to visually provide an indication of a defective component or defective component placement on the printed circuit board under test to an operator.

REFERENCES:
patent: 4469553 (1984-09-01), Whitehead
patent: 4578810 (1986-03-01), MacFarlane et al.
patent: 5027417 (1991-06-01), Kitakado et al.
patent: 5161202 (1992-11-01), Kitakado et al.
patent: 5513099 (1996-04-01), Schein

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