Powercast has unveiled its Ubiquity wireless power transmitters, which use radio frequency (RF) power to charge devices over the air. The Pittsburgh, Pennsylvania-based company showed off its Ubiquity ...

In controlled experiments, engineers have shown that electricity can be transmitted through the air using highly controlled ...

Modern researchers try to bring to life the idea of a scientist who lived more than a hundred years ago. We are talking about Nikola Tesla. In 1891, the inventor developed the Tesla coil, a resonant ...

Ossia's response to readers' questions and skepticism regarding their longer-distance wireless power system. The priniciples behind the company's energy transmission system. A demo of the technology, ...

Researchers describe a new wireless laser charging system that overcomes some of the challenges that have hindered previous attempts to develop safe and convenient on-the-go charging systems. With ...

New Wireless Device Charging Technology Improves Efficiency, Measurement Accuracy and User Safety While Reducing EMI (Graphic: Business Wire) DC and AC Coil Current Sensing and Foreign Object ...

Although it's not completely accurate, I found that it can be useful to think about Ossia's approach to wireless power as "RF holography": The power transmitter (base station) collects signal ...

Powercast will be at CES 2023 with its Ubiquity RF power transmitter, a device it hopes can make a pervasive presence of RF wireless power in smart homes. With this transmitter, Powercast claims to ...

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...