Patent ID: 9122283
Filing Date: 2015-09-01
Classification: F24F,G05D,H02J

Abstract:
1. A thermostat comprising: a controller configured to control the thermostat; a thermostat power source including a battery; a battery level indicator configured to determine a remaining power capacity of the battery; a power supply sensor connected to the controller and configured to sense the thermostat power source; a wireless transceiver connected to the controller, the transceiver being configured to receive control information from a remote device for the controller, the transceiver being further configured to transmit information from the controller to the remote device; and wherein the controller is configured to set a time schedule for enabling the wireless transceiver when the power supply sensor detects that the thermostat power source is a battery; and wherein the controller is further configured to change the time schedule to increase a time period between when the wireless transceiver is enabled as the remaining power capacity of the battery decreases.