INTEGRATED BOUND-MODE SPECTRAL/ANGULAR SENSORS
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United States of America
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Nov 14, 2024
app pub date -
Jan 26, 2022
filing date -
Jan 26, 2022
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Abstract
An occupancy sensor covering a wide field in an integrated chip is disclosed. The occupancy sensor includes an array of grating coupled waveguide sensors wherein continuous wave (cw) signals monitor an ambient light field for dynamic changes on times scales of seconds, and high frequency signals map in three-dimensions of the space using time-of-flight (TOF) measurements, pixel level electronics that perform signal processing; array level electronics that perform additional signal processing; and communications and site level electronics that interface with actuators to respond to occupancy sensing.
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