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- W2023009966 abstract "A compact imaging system is proposed for electronic document input. In this configuration, a linear image sensor formed on a glass substrate is coupled with an optical fiber array plate. There are multiple apertures in each photodiode of this sensor. Light from a linear light emitting diode array is transmitted through the glass, the apertures and the fiber successively and illuminates a document. The scattered light comes back in the same fiber and is detected by the sensitive part of the photodiode. Experiment with a 200dpi sensor shows a good spatial resolution. With a white paper illuminated at 100(mu) W/cm<SUP>2</SUP>, a signal yield of 0.75 pC is obtained with 1msec storage time. The depth of field is 70 micrometers . A prototype hand-held scanner has been developed by housing this imaging system in a 10mm-wide pen-shaped speed of 12cm/sec." @default.
- W2023009966 created "2016-06-24" @default.
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- W2023009966 date "1997-04-25" @default.
- W2023009966 modified "2023-09-23" @default.
- W2023009966 title "Compact imaging apparatus for a pen-shaped handheld scanner" @default.
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- W2023009966 doi "https://doi.org/10.1117/12.275172" @default.
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