OPTICAL READING SYSTEM
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United States of America Patent
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N/A
Issued Date -
Aug 12, 2010
app pub date -
Nov 24, 2009
filing date -
Feb 10, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An optical sensor for detecting motion or movement in an area of interest is provided. The optical sensor includes a base having optical filtering properties. A sensor assembly having a light emitting diode, a CMOS sensor and a pair of lens is mounted to said base. The CMOS sensor has a range of wavelengths of light to which it has an increased sensitivity. The optical filtering properties of the base are ranged to absorb wavelengths of light in the range of increased CMOS sensor sensitivity. In this way, the effects of ambient light on the optical sensor are reduced.
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