Scanline alignment sensors

Details Scanline alignment sensors Scanline alignment sensors

2005-06-28

2005-06-28

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S583000, C358S474000, C359S212100

Reexamination Certificate

active

06911647

ABSTRACT:
An optical imaging system comprising: an optical assembly for producing a laser beam scanline at an imaging region; first and second photodetectors located at the imaging region at the first and second ends of a produced laser beam scanline; and a visual indicator system coupled to the first and second photodetectors to visually indicate detection of the first and second ends of the laser beam scanline.

REFERENCES:
patent: 5691535 (1997-11-01), Boutet
patent: 2004/0150863 (2004-08-01), Newman

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