Sensor-based passive RFID tags have been on the market for just a few years, but according to U.K.-based market-research firm IDTechEx, they have accomplished sufficient growth in niche markets that ...

The Misfit Shine is an example of a partially passive wearable sensor. The future of sensors won't be handheld devices like Star Trek's tricorder. It will be invisible sensors in your shoes, ...

Two defense companies have successfully integrated passive sensor technology. The achievement is expected to the power networked air defense systems. The Rheinmetall Air Defense and Hensoldt ...

UC San Diego has developed a system that uses analog sensors with a direct interface to RFID tags, making them passive sensor devices. The solution includes analog to digital conversion without ...

Optical sensors can quantitatively analyze chemical and biological samples by measuring and processing the optical signals produced by the samples. Optical sensors based on infrared absorption ...

A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

Researchers at the Georgia Institute of Technology have created a passive motion/contact sensor that detects motion using only sound. Without electricity, electronics, or batteries. The sensors are ...

Saab's Sirius Compact L24R EW sensor. Credit: Saab Saab has unveiled a new passive electronic warfare sensor that could effectively enable countries to build a wall of such detectors along its borders ...

In a recent study published in Scientific Advances, researchers created a bioresorbable, cordless, passive sensor that monitors pH locally and detects stomach leakage early on. Study: Bioresorbable, ...