Patent ID: 8660659
Filing Date: 2014-02-25
Classification: A61B,A61N,H04W

Abstract:
1. An ambulatory monitoring device comprising: a) a battery power source; b) a sensor powered by the battery and configured for monitoring a physiological signal of a subject; c) a receiver powered by the battery and configured to receive wireless communications from a remote device within a first frequency band of a range of frequencies below 1 MHz when the monitoring device is at least 1 meter from the remote device; and d) a transmitter powered by the battery, wherein the transmitter is not the receiver, e) wherein the transmitter is configured such that after receipt by the receiver of a first wireless communication from the remote device at the first frequency band, the transmitter transmits a second wireless communication in a second frequency band of a range of frequencies above 10 MHz, and wherein the second wireless communication is of the physiological signal sensed by the sensor.