H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/15, 354/66,
H04N 1/04 (2006.01) G03B 27/52 (2006.01) H04N 1/17 (2006.01)
Patent
CA 1165862
-1- ABSTRACT OF THE DISCLOSURE An image input terminal (IIT) with automatic document handler for feeding documents to be scanned into registered position on the IIT platen. The IIT includes a pair of multi-element scanning arrays with cooperating scan lamp and optics on a movable carriage disposed in scanning relationship with the platen. Analog image signals gener- ated by the scanning arrays are initially processed in separate channels and then combined into a serial stream. The stream of analog image signals may optionally be thresholded or screened to provide binary level image signals or converted to multi-bit gray scale. A control system including microprocessor pro- vides timing and control signals for synchronizing oper- ation of the scanning carriage, document handler, and image signal reading and processing together with electronic crossover between arrays to avoid loss of data, automatic signal gain and deletion of bad image signals or pixels. On board array alignment apparatus permits adjustment of array focus, skew, height, position and overlap.
362019
Allis Robert F.
Kingsley William
Matteson Ronald G.
Moreland John F.
Stoffel James C.
Sim & Mcburney
Xerox Corporation
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