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Abstract: A system for measuring optical proximity based on reflection of modulated light is presented. Its novel input stage topology comprising an ac coupled TIA and a two stage dc rejection circuit ...

When it’s in a cold environment, the electrolyte substance inside the battery thickens. Transferring ions in this thickened ...

Simply put, thermal weapon sights represent the greatest technological advantage a hunter or home protector can have since ...

Abstract: This paper presents the design, fabrication and characterization of a two-axis tilt angle sensor based on dielectric liquid capacitive sensing structure. The sensor consists of five ...