Image scanner

Details Image scanner Image scanner

1992-10-29

1994-02-22

Ben, Loha

Optical: systems and elements

Deflection using a moving element

359211, 359349, 358490, G02B 2608

Patent

active

052893073

ABSTRACT:
A scanner comprises apparatus for scanning an image in a series of scanlines with a beam. Beam splitters split the modulated beam into a number of subsidiary beams which are fed to respective detectors. In one example (FIG. 2), a set of masks are provided to divide the subsidiary beam spatially such that different portions of the beams are fed to respective detectors. In another example (FIG. 4 ), a color filter splits the modulated beam into its respective color components and, after this beam has been split into subsidiary beams, the individual color components are filtered by filters and fed to detectors.

REFERENCES:
patent: 3502888 (1970-03-01), Stites
patent: 4008967 (1977-02-01), Kiemle
patent: 4831333 (1989-05-01), Welch
patent: 5126836 (1992-06-01), Um

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