Merchandise security devices for use with an electronic key

摘要

A merchandise security device is provided. The merchandise security device may include a lock mechanism operably engaged with a shape memory material configured to receive electrical power for locking and unlocking the lock mechanism. The shape memory material may be configured to change in shape in response to receiving electrical power to thereby lock or unlock the lock mechanism.

主权项

1. A method for protecting items of merchandise susceptible to theft, comprising:
transferring electrical power from an electronic key to a lock mechanism, the lock mechanism associated with a first merchandise security device configured to secure a first item of merchandise from theft, wherein the lock mechanism is operably engaged with a shape memory material that is configured to change in shape in response to receiving electrical power from the electronic key to thereby lock or unlock the lock mechanism; and arming or disarming an alarm circuit with the electronic key, the alarm circuit associated with a second merchandise security device configured to secure a second item of merchandise from theft, wherein the first merchandise security device does not include an alarm circuit configured to be armed or disarmed by the electronic key and the second merchandise security device does not include a lock mechanism configured to be operated by electrical power transferred from the electronic key.