Smart 'stickers' let you find things by phone
Jimmy Buchheim is behaving oddly.
On the floor of the world's largest cellphone trade show in Barcelona, Spain, he's looking at the screen of his iPod Touch, taking a few steps, and then looking again. Now and then he backtracks or turns, and looks again. Slowly, he confines his movements to a smaller and smaller area. Then he drops to his knees, and checks the screen again. He scrabbles forward.
"There we are!'' he says.
Buchheim has found his keys, which had been hidden behind a wastebasket by a skeptical reporter. On the key ring is a small disc, slightly bigger than a quarter. That's what Buchheim was homing in on, with his iPod. It allowed him to find his keys, hidden out of sight in an apartment-sized booth.
Buchheim's Davie, Fla.-based company, Stick-N-Find Technologies, wants to give people a way to find things, whether it's keys, wallets, TV remotes, or cat collars.
There's no real trick to sending out a radio signal and having a phone pick it up. That's been done before. What makes the Stick-N-Find practical is a new radio technology known as Bluetooth Low Energy, which drastically reduces the battery power needed to send out a signal. That means the disc can be small, light enough for its sticky back to adhere to a lot of surfaces, and be powered by a watch-type battery that lasts up to two years without recharging. The signal can be picked as far as 300 feet away, but that's under ideal
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