Power Supply Switch for Dual Powered Thermostat, Power Supply for Dual Powered Thermostat, and Dual Powered Thermostat
First Claim
Patent Images
1. A switch assembly for switching a digital thermostat from a primary power supply to an auxiliary power supply, comprising:
- a switch having an output to be connected to the digital thermostat and having a first input to be connected to the primary power supply and a second input to be connected to the auxiliary power supply, said switch switching alternatively between said first input and said second input; and
a voltage detector being connected to said switch and being configured to be connected to the primary power supply and signaling said switch to switch to said input to be connected to the auxiliary power supply whenever a voltage of the primary power supply drops below a given voltage.
2 Assignments
0 Petitions
Accused Products
Abstract
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.
125 Citations
8 Claims
-
1. A switch assembly for switching a digital thermostat from a primary power supply to an auxiliary power supply, comprising:
-
a switch having an output to be connected to the digital thermostat and having a first input to be connected to the primary power supply and a second input to be connected to the auxiliary power supply, said switch switching alternatively between said first input and said second input; and a voltage detector being connected to said switch and being configured to be connected to the primary power supply and signaling said switch to switch to said input to be connected to the auxiliary power supply whenever a voltage of the primary power supply drops below a given voltage. - View Dependent Claims (2, 7, 8)
-
-
3. A power supply for preventing a power interruption in a primary power supply from affecting a digital thermostat, comprising:
-
an auxiliary power supply; a switch having an output to be connected to the digital thermostat and having a first input to be connected to the primary power supply and a second input connected to said auxiliary power supply, said switch switching alternatively between said first input and said second input; and a voltage detector being connected to said switch and being configured to be connected to the primary power supply and signaling said switch to switch to said input connected to said auxiliary power supply whenever a voltage of the primary power supply drops below a given voltage. - View Dependent Claims (4)
-
-
5. A digital thermostat assembly with backup power supply, comprising:
-
a digital thermostat; an auxiliary power supply; a switch having an output connected to said digital thermostat and having a first input to be connected to the primary power supply and a second input connected to said auxiliary power supply, said switch switching alternatively between said first input and said second input; and a voltage detector being connected to said switch and being configured to be connected to the primary power supply and signaling said switch to switch to said input connected to said auxiliary power supply whenever a voltage of the primary power supply drops below a given voltage. - View Dependent Claims (6)
-
Specification