Method of and apparatus for reading image in corrected read timi

Details Method of and apparatus for reading image in corrected read timi Method of and apparatus for reading image in corrected read timi

1988-07-14

1989-09-12

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 78, 358494, H04N 104, H04N 1024, H04N 1028

Patent

active

048665126

ABSTRACT:
Three linear image sensors (14B, 14G and 14R) read the image of an original (1) being moved along the subscanning direction (-Y), by receiving lights (L.sub.B, L.sub.G and L.sub.R) from respective instantaneous reading lines (W.sub.B, W.sub.G and W.sub.R), respectively. Scanning line switching clocks serving as sensor drive timing signals are supplied from a control circuit (20) to the linear image sensors, respectively. These clocks are time-shifted from each other by the time shift values calculated from deviations between the instantaneous reading positions and scanning line pitch, thereby the linear image sensors read common scanning lines.

REFERENCES:
patent: 3975760 (1976-08-01), Yamanaka
patent: 4007488 (1977-02-01), Morishita et al.
patent: 4264921 (1981-04-01), Pennington
patent: 4375647 (1983-03-01), Mir
Japanese Patent Laying Open Gazette No. 60-176360.
Japanese Patent Laying Open Gazette No. 61-108253.

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