Direct-contact-type image sensor

Details Direct-contact-type image sensor Direct-contact-type image sensor

1988-05-20

1989-12-12

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

35821311, 250578, 250211R, 250211J, H04N 314, H04N 1024

Patent

active

048871664

ABSTRACT:
In a contact-type image sensor comprising an array of photosensor elements for receiving light reflected from a document, and a protective layer disposed above the array of photosensor elements for protecting the array of photosensor elements when contact is made with the document, means are provided for discharging electric charges accumulated on the protective layer. This may comprise the protective layer with a relatively low resistivity or a separate conductive layer above or within the protective layer.

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