Patent ID: 7209865
Filing Date: 2007-04-24
Classification: G01F

Abstract:
1. A method for transmitting readings taken from within a storage tank, the method comprising: activating a control box at a predetermined time; taking a plurality of readings; transmitting from the control box the plurality of readings; determining if a response was received; in response to a determination that a response was received, placing the control box in a power saving state; if it is determined that a response was not received, retransmitting the plurality of readings and determining if said response was received after a retransmission; if it is determined that a response was received after retransmission, placing the control box in the power saving state; and if said response was not received after a predetermined number of retransmissions, placing the control box in the power saving state; at the central location, receiving a request for a measurement from a user at a remote location, wherein the request for a measurement identifies a storage tank for which the measurement is desired and a time frame for which the measurement is desired; calculating at the central location the measurement based on the request and the plurality of readings; and transmitting the calculated measurement from the central location to the remote location.