Ambient illumination bar code reader
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United States of America Patent
Stats
-
Oct 17, 1989
Grant Date -
N/A
app pub date -
Aug 21, 1987
filing date -
Aug 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bar code scanner (10) for scanning bar codes (12) is provided. The bar code scanner (10) includes an image sensor (26) for converting optical information into an electrical signal. The bar codes (12) are illuminated by ambient light only and not by a light source associated with the bar code scanner (10). Circuitry (38) is provided for driving the image sensor (26). Circuitry (80-88) is provided for producing an electrical signal indicative of the bar code information.
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