Pattern method and system for detecting foreign object...

Details Pattern method and system for detecting foreign object... Pattern method and system for detecting foreign object...

2006-03-07

2006-03-07

Porta, David (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S302000, C250S336100, C250S372000, C175S042000, C184S006400

Reexamination Certificate

active

07009198

ABSTRACT:
A method of detecting a non-fixed object created during hole drilling operations on a system (12) includes applying a light emitting lubricant (25) to a drill bit (37) of a hole-drilling device (31). The light emitting lubricant adheres to foreign object debris10that is created during the hole drilling operations. The foreign object debris10can include shavings (29), portions of the drill bit (37), or the entire drill bit (37). The objects are illuminated with an object illuminator (16). At least one of the objects (10) is determined to be a nonmember within a known pattern of objects and is identified to be a non-fixed object in response to illumination of the objects.

REFERENCES:
patent: 4787990 (1988-11-01), Boyd
patent: 5225675 (1993-07-01), O'Donnell
patent: 5667840 (1997-09-01), Tingey et al.
patent: 5807605 (1998-09-01), Tingey et al.
patent: 6749772 (2004-06-01), Zumdome

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