Patent ID: 11871483
Assignee: LUTRON TECHNOLOGY COMPANY LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H  E | IPC E  H

Claim 9:
10. An electric load control method comprising:
transitioning a primary radio that includes primary radio receiver circuitry and a primary microprocessor from a SLEEP state to an ACTIVE state responsive to the detection of the RF signal by a secondary radio, wherein the SLEEP state includes a relatively lower-power consumption state and the ACTIVE state includes a relatively-higher power consumption state to receive an RF signal;
transitioning the secondary radio that includes secondary radio receiver circuitry and secondary microprocessor from an ACTIVE state to a SLEEP state in which the secondary radio monitors the position of an RF switch, wherein the SLEEP state includes a relatively lower- power consumption state and the ACTIVE state includes a relatively-higher power consumption state, the secondary radio drawing less power when in the ACTIVE state than the primary radio when in the ACTIVE state;
causing the primary radio to transition the RF switch from a second position in which the RF switch couples an antenna to the secondary radio to a first position in which the RF switch couples the antenna to the primary radio;
receiving a message included in the RF signal using the primary radio;
causing the primary radio to transition the RF switch from the first position to the second position responsive to successful receipt of the message included in the RF signal;
transitioning the secondary radio from the SLEEP state to the ACTIVE state responsive to the transition of the RF switch to the second position; and
transitioning the primary radio from the ACTIVE state to the SLEEP state.