Optical reader

Details Optical reader Optical reader

1982-03-08

1985-11-05

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358286, 358292, H04N 100

Patent

active

045517665

ABSTRACT:
An optical reader contained in a portable case includes elements for rotating a chart containing indicia and for moving a lens and photo-responsive member substantially parallel to the axis of rotation of the chart. These elements are controlled so that the photo-responsive element detects every one of an array of discrete informational units defined by the optical reader on the chart and for generating for each discrete informational unit a respective binary bit having one of two logic values depending upon whether the respective discrete unit is relatively light or relatively dark. The reader also includes circuit elements for detecting every eighth one of the respective binary bits to define a byte of information representing eight of the discrete informational units of the chart. The reader is controlled to commence a read of the chart from the right-hand end and to incrementally read strips of the chart progressing to the left-hand end of the chart. At the conclusion of the reading period, the optical reader is automatically reset to the right-hand end to read the next chart.

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