Apparatus for multiple resolution scanning

Details Apparatus for multiple resolution scanning Apparatus for multiple resolution scanning

1997-05-19

1999-08-31

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358494, H04N 104

Patent

active

059461101

ABSTRACT:
A mechanical, electrical and optical scanning apparatus for producing a digital image of a two-dimensional original object in which the combined motions of multiple platforms or carriages along one dimension of the two-dimensional original object provides both low resolution scan of the original object and high resolution scan of the original object as well as intermediate resolutions. One of the platforms carries a camera with precision zoom/focus control for receiving light energy from said original object along the other of its dimensions converting it into electrical energy in a digital format. This platform provides low resolution scanning. The other platform carries the original object and provides high resolution scanning but moves only a fraction of the length of the original object. Combined motion of the two platforms provides high resolution scanning along the entire length of the two-dimensional original object.

REFERENCES:
patent: 5140443 (1992-08-01), Iwahara et al.
patent: 5239392 (1993-08-01), Suzuki et al.

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