Microcontroller-based imaging system utilizing a CMOS image sensor array
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United States of America Patent
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Aug 2, 2011
Grant Date -
Dec 3, 2009
app pub date -
May 22, 2009
filing date -
May 27, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Described herein is a an optical sensing unit, the optical sensing unit including a one-dimensional array of sensor locations, each sensor location being responsive to an incident optical signal to generate a local analog intensity value representative of the intensity of the optical signal at the sensor location, the sensing unit including a digital interface to deliver a local digital intensity value corresponding to the local analog intensity value, a first microcontroller function in communication with the digital interface for sequentially collecting local digital intensity values to form a group of digital intensity values corresponding to an intensity variation across the array over a predetermined sensing period, a second microcontroller function cooperating with the first microcontroller function to receive the group of digital intensity values for transfer to an output device.
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