Patent ID: 7113099

Claim:
A system with a presence and location verification feature, comprising: a user interface device for receiving a command from a user to verify the presence of an object; a plurality of detectors for detecting the presence and location of the object, each of the plurality of detectors being associated with a transmitter; an electronic tag associated with the object, the electronic tag comprising: a receiver for receiving location information from one of the transmitters associated with one of the plurality of detectors; a transmitter for transmitting a wireless signal encoded with an identifier of the electronic tag and the received location information indicating the location of the object; a transceiver configured to transmit a wireless signal encoded with the identifier of the electronic tag associated with the object and receive the wireless signal from the electronic tag associated with the object; a control in communication with the user interface device and the transceiver, the control responsive to the command for controlling the transceiver to transmit the wireless signal encoded with the identifier of the electronic tag associated with the object; wherein the electronic tag transmits the wireless signal to the transceiver in response to receiving the wireless signal from the transceiver; and wherein the control is responsive to the wireless signal received by the transceiver for informing the user, via the user interface device, that the presence and location of the object is verified.