Scanner For Documents And Embedded Information
Original Publication Date: 1980-Feb-01
Included in the Prior Art Database: 2005-Feb-13
Shown above is a scanner that can be utilized to scan a document placed on a document glass or to scan information embedded in the glass. The scanner consists of an illumination source 10, cold mirror 12, document glass 14 and optical tube 16 containing a lens 18 and photocell array 20. A dichroic filter 22 is also in tube 16 and may be positioned in and out of the optical path by solenoid 24. The document glass 14 contains embedded information in the form of a sheet 26 mounted inside the glass or attached to the lower surface of the glass.