Patent ID: 9710342
Date: 2017-07-18
CPC Classifications: G05B,G06F,H04L

Claim:
1. A method for controlling devices, comprising: transmitting from a first device to a second device a first signal having a first frequency indicating a first device configuration, a second frequency indicating a second device configuration, or a third frequency indicating a third device configuration, wherein the first, second, and third frequencies are different from one another; receiving at the first device from the second device a second signal having the first frequency indicating the first device configuration, the second frequency indicating the second device configuration, or the third frequency indicating the third device configuration, wherein: taking control of the one or more other devices, by the first device, when the configuration indicated by the second signal changes from the first device configuration to either the second device configuration or the third device configuration; and changing the first signal to indicate the first configuration.