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You can run, but you can't hide

作者:项沲瞠    发布时间:2019-03-07 06:09:01    

By Peter Hadfield in Tokyo JAPANESE workers who sneak out of the office and spend their afternoons hanging around coffee shops may soon be caught out by their bosses. A new cellphone-based tracking device from Hitachi can show, on an employer’s computer screen, not only the whereabouts of their workers but also whether they are standing, walking, running—or have fallen over. The system, called Partout, was originally developed as a monitoring device for the families of people with dementia, who may wander off and need to be located. “It’s estimated that the number of elderly people with symptoms of dementia will reach 1.5 million in Japan next year,” says Hitachi’s Keisaku Shibatani. But the high cost of the system—early prices are around £27 000—has put it out of reach of most families. Instead, companies with large sales forces and police departments who want to track officers on dangerous patrol duties are interested in the system. Partout uses a multi-function location sensing unit that tracks users via global positioning satellites. The user’s body motion is determined by an accelerometer inside the sensing unit: no movement means the subject has stopped, slow movement means they are walking, and fast movement means they are running. Strong and abrupt movement means the user may have fallen. The data is relayed via the user’s cellphone to a computer,

 

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