US Patent 7747286 Wireless access control system with energy-saving piezo-electric locking

One aspect of the disclosed embodiment is a method and system for conserving battery life in a wireless access control system. This disclosed embodiment comprises a wireless access control system with a lock having an electronic controller and a piezo electronic driven locking mechanism. The electronic controller controls voltage to the piezo electronic locking mechanism. These and other features of the disclosed embodiment are discussed in the following detailed description of the disclosed embodiment.