CPC G08C 23/04 (2013.01) [H04B 1/06 (2013.01); H04L 12/10 (2013.01)] | 11 Claims |
1. An Audio/Video (A/V) receiving device comprising:
a Radio Frequency (RF) receiving module configured to receive A/V data from an A/V transmitting device through a first frequency band;
an infrared (IR) module configured to receive a power control signal from a remote control device;
a wireless receiving module configured to communicate with a wireless transmitting module of the A/V transmitting device through a second frequency band; and
a microcomputer configured to:
receive a power off control signal from the remote control device;
transmit the power off signal to the wireless transmitting module through the wireless receiving module to cause the wireless transmitting module to power off; and
turn off power of the A/V receiving device according to the power control signal received from the remote control device after transmitting the power off signal to the wireless transmitting module.
|