Kentucky Patent of the Month – February 2025
Pascal’s latest invention revolutionizes passive identification tags, offering a breakthrough in cost-effective and high-accuracy object tracking. Traditional passive tags, while affordable and easy to integrate, have long been limited by their inability to provide rich data compared to their active counterparts. Pascal’s system changes that by leveraging advanced signal processing techniques to extract detailed identification markers from passive tags.
At its core, the system employs a transmitting system that sends detection signals across multiple frequencies to interrogate a passive tag. The tag, upon receiving these signals, generates a unique response based on its physical and material properties. A receiving system then captures these responses and processes them using a multidimensional vector, identifying specific signal components—such as real and imaginary elements, amplitude, and phase delay—to derive a precise tag ID.
Unlike conventional RFID, Pascal’s design enhances detection even when signals are weak. If a tag’s response is too faint, the system adapts in real time by adjusting frequency, power, and angle of transmission. Moreover, multiple transmitters and receivers can be positioned strategically to refine accuracy, ensuring reliable identification across various orientations.
This approach significantly improves the robustness of passive tagging in industries such as inventory management, logistics, and retail. With its ability to extract detailed identifiers from simple, battery-free tags, Pascal’s system bridges the gap between affordability and functionality. It opens the door for widespread deployment of passive tags without sacrificing precision—ushering in a new era of efficient, scalable tracking technology.
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