Optical scanner apparatus with pinhole imaging device

Details Optical scanner apparatus with pinhole imaging device Optical scanner apparatus with pinhole imaging device

2007-08-28

2007-08-28

Lee, Thomas D. (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S483000, C358S448000, C250S229000

Reexamination Certificate

active

10135760

ABSTRACT:
A pinhole-imaging device is used as an imaging device for an optical scanner apparatus. The pinhole-imaging device replaces the conventional lens-imaging device and is placed in front of the optical sensor to receive the imaged light from the scanning object and the optical image is focused on the optical sensor. When the radius of the aperture of pinhole-imaging device is smaller or equal to the pixel of the optical sensor, the imaged light transmitted through the aperture of the pinhole-imaging device is focused on the optical sensor to form an image such that the resolution of the optical imaging can be obtained and the light dispersion effect issue can be improved.

REFERENCES:
patent: 6504574 (2003-01-01), Noguchi et al.

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