Sughure, Mion, Zinn, Macpeak, and Seas
Elongate thin-film reader
 A manuscript reader comprises an amorphous silicon film sandwiched between at least one transparent electrode and a plurality of metal electrodes formed on an insulating substrate. If the reader includes a plurality of sensors, the detection circuitry can vary a comparison threshold level during the course of one scanning operation. 
Fuji Xerox Co., Ltd.
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Toshihisa Takashi Takeshi Mario Mutsuo Hisao
Hamano Ozawa Nakamura Fuse Takenouchi Ito