Patent ID: 7160042

Claim:
A method of using a pair of sensors to control the state of an object comprising: a) simultaneously activating a first sensor and a second sensor of said pair of sensors followed by simultaneously deactivating said first sensor and said second sensor to exit a first mode and enter a second mode; b) independently activating said first sensor to control the state of said object in a first state; and c) deactivating said first sensor to stop said control in said first state; d) independently activating said second sensor to control the state of said object in a second state; and e) deactivating said second sensor to stop said control in said second state; f) simultaneously activating said first sensor and said second sensor followed by simultaneously deactivating said first sensor and said second sensor to exit said second mode and enter a third mode; g) wherein the respective modes are entered and exited based on the activation or deactivation of only the two respective first and second sensors and no other sensors.