A millimeter-scale wireless imaging system with continuous motion detection and energy harvesting
2014 Symposium on VLSI Circuits Digest of Technical Papers, 2014•ieeexplore.ieee.org
We present a 2× 4× 4mm 3 imaging system complete with optics, wireless communication,
battery, power management, solar harvesting, processor and memory. The system features
a 160× 160 resolution CMOS image sensor with 304nW continuous in-pixel motion
detection mode. System components are fabricated in five different IC layers and die-
stacked for minimal form factor. Photovoltaic (PV) cells face the opposite direction of the
imager for optimal illumination and generate 456nW at 10klux to enable energy autonomous …
battery, power management, solar harvesting, processor and memory. The system features
a 160× 160 resolution CMOS image sensor with 304nW continuous in-pixel motion
detection mode. System components are fabricated in five different IC layers and die-
stacked for minimal form factor. Photovoltaic (PV) cells face the opposite direction of the
imager for optimal illumination and generate 456nW at 10klux to enable energy autonomous …
We present a 2×4×4mm 3 imaging system complete with optics, wireless communication, battery, power management, solar harvesting, processor and memory. The system features a 160×160 resolution CMOS image sensor with 304nW continuous in-pixel motion detection mode. System components are fabricated in five different IC layers and die-stacked for minimal form factor. Photovoltaic (PV) cells face the opposite direction of the imager for optimal illumination and generate 456nW at 10klux to enable energy autonomous system operation.
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