Line-focus system with a self-adhesive occluding aperture attach

Details Line-focus system with a self-adhesive occluding aperture attach Line-focus system with a self-adhesive occluding aperture attach

1995-10-31

1998-03-10

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250216, 362255, F21M 314

Patent

active

057264465

ABSTRACT:
A line-focus system with a bulb in a bulb enclosure assembly, where the bulb has a lamp label attached to it in such a manner as to create an occluding aperture for directing light from the bulb toward the scan line in the line-focus system. The lamp label is shaped in such a manner that the light intensity across the photosensor line array in the line-focus system is relatively uniform. The lamp label is furthermore of an opaque, non-reflecting nature so as to prevent any stray light from being reflected into the line-focus system.

REFERENCES:
patent: 4547813 (1985-10-01), McGraw et al.
patent: 4959541 (1990-09-01), Boyd
patent: 5019703 (1991-05-01), Boyd et al.
patent: 5101330 (1992-03-01), Suzuki

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