US Patent 7518485 Electronically controlled lockbox

A method and apparatus for providing security for delivered goods purchased via electronic or telephonic commerce is provided in the form of a digital lock box, and method of operating the lock box in cooperation with senders of goods. This method further comprises generating a owner access code for full access to a secured area, individually dividing this secured area into a plurality of sections after each delivery, generating a delivery access code for access to particular sections of a secured area, forwarding this delivery access code to senders of deliverable goods, and deactivating this delivery access code after the delivery of these goods.