Strobe illumination

Details Strobe illumination Strobe illumination

2006-10-24

2006-10-24

Perkey, W. B. (Department: 2851)

Photography

Studio structure

Lighting

C396S182000, C348S132000

Reexamination Certificate

active

07127159

ABSTRACT:
An illumination technique is provided that adjusts the respective light intensities of each of a plurality of light sources that are strobed at desirable consistent intensities by adjusting a respective light pulse pattern for each respective light source. All the light sources are controlled to illuminate an object throughout a strobe duration period. The light pulse patterns may be micro-strobed light pulse patterns, formed by a variety of methods. The illumination technique is usable to preserve the general shape of the edge intensity profile on an object, and allow precision edge position measurements, regardless of whether the object is moving or not during image acquisition.

REFERENCES:
patent: 6207946 (2001-03-01), Jusoh et al.
patent: 6749310 (2004-06-01), Pohlert et al.

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