Publication
IEEE T-ED
Paper

Evaluation of Light Sources for TDI Polysilicon Electrode CCD Document Scanners

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Abstract

The use of blue or green fluorescent lamps for illuminators in front illuminated polysilicon electrode charge-coupled device (CCD) document scanners operated in the time delay and integration (TDI) mode overcomes the low blue responsivity of this device. A simple method is presented to compare quantitatively the response of this scanner with that of the human eye. Copyright © 1981 by The Institute of Electrical and Electronics Engineers, Inc.

Date

01 Jan 1981

Publication

IEEE T-ED

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