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Chopped Passive Infrared Sensor Apparatus and Method for Stationary and Moving Occupant Detection

Additions of multiple different elements to improve current PIR sensors. Background: Passive infrared (PIR) sensors are used in a variety of applications. They work by using the pyroelectric effect: a change based on the temperature modifies the positions of the atoms. However, because voltage is generated by pyroelectric materials, conventional PIR...
Published: 11/22/2023   |   Inventor(s): Haili Liu, Ya Wang, Kevin Wang
Category(s): Campus > Stony Brook University, Technology Classifications > Information Technology, Technology Classifications > Optics and Photonics

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