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A model demonstrates a wearable pulse checker at the CEATEC Japan, Japan's biggest consumer electronics show, in Chiba, east of Tokyo, Tuesday, Oct. 4, 2011. The compact pulse checker, that has been developed by Japan's electronics parts supplier Rohm Co. in the form of accessories, can send the wearers' pulse readings to their smartphones to enable them to monitor health conditions. (AP Photo/Itsuo Inouye)