Patent ID: 8547226
Filing Date: 2013-10-01
Classification: G01K,G06F,G08B,G08C,H04L,H05K

Abstract:
1. A method of communicating information in an environmental monitoring system, the environmental monitoring system comprising at least one computing device and a plurality of remote units located remote from the at least one computing device, each remote unit of the plurality of remote units comprising a sensor to sense an environmental parameter and a transceiver, the method comprising: in response to receiving a message at the at least one computing device from a remote unit of the plurality of remote units and determining that the message satisfies at least one condition, transmitting from the at least one computing device an acknowledgement to the remote unit from which the message was received, the acknowledgement indicating a scheduled time for the remote unit to transmit a second message to the at least one computing device; and in response to determining, following the scheduled time indicated by the acknowledgement, that the second message has not been received, generating an alert.