POWER SUPPLY SWITCH FOR DUAL POWERED THERMOSTAT, POWER SUPPLY FOR DUAL POWERED THERMOSTAT, AND DUAL POWERED THERMOSTAT

摘要

A power supply switch for a dual powered thermostat switches the power supply to a dual-powered thermostat with a touch¬ screen display when a change in primary power supply is detected. The switch switches to an auxiliary power supply. The auxiliary power supply can be a battery.