wireless

The first broadcasting station in Japan went on-air in 1925, a scant five years after the first radio station went live in the United States. A year later, Nippon Hōsō Kyōkai (NHK) was chartered by the Japanese government and is still the official public broadcast entity. The build-out of NHK’s network into the Pacific was extensive in the 1930s and during the early years of WWII and followed the expansion of Japan’s imperial armed forces across the Pacific.

A team of computer scientists from the University of Washington have developed a gesture recognition system that uses no batteries and offers the ability to control electronic devices with hand movements. The prototype utilizes existing TV signals for power and sensing hand gestures.

Toyota is currently testing a new wireless charging system for plug-in hybrids and electric cars in three homes in Japan. The system is comprised of a unique electromagnetic coil set that is in the ground and uses inductive battery charging methods that could eliminate the use of wires and plugs.