Patent ID: 11900781
Assignee: ECOLINK INTELLIGENT TECHNOLOGY, INC.
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. The PDD of claim 10, further comprising:
a first person sensor coupled to the processor; and
a second person sensor coupled to the processor;
wherein the processor-executable instructions that causes the PDD to operate in the occupancy mode of operation comprises additional processor-executable instructions that causes the PDD to:
monitor, by the processor, the first person sensor while keeping a second person sensor in a low-power state;
determine, by the processor via the first person sensor, that a person is present in an area being monitored by the PDD;
enable, by the processor, the second person sensor; and
monitor, by the processor, the second person sensor to determine that the person remains present in the area.