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US 9,133,649 B2Granted
Merchandise security devices for use with an electronic key
AssigneeInVue Security Products Inc.
InventorsGary A. Taylor, Jeffrey A. Grant, David N. Berglund
Life of this patent
Estimating the term…
Abstract
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.
Claims29
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.
1 more element
A merchandise security system for protecting items of merchandise from theft, comprising:
- an electronic key;
- a first merchandise security device configured to secure a first item of merchandise from theft, the first merchandise security device comprising a lock mechanism that is configured to be operated by electrical power transferred from the electronic key to the lock mechanism;
- and
- a second merchandise security device configured to secure a second item of merchandise from theft, the second merchandise security device comprising an alarm circuit configured to be armed or disarmed by the electronic key,
- 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, and
- 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.
3 more elements
A merchandise security system for protecting items of merchandise from theft, comprising:
- an electronic key;
- a first merchandise security device configured to secure a first item of merchandise from theft, the first merchandise security device comprising a lock mechanism that is configured to be operated by electrical power transferred from the electronic key to the lock mechanism;
- and
- a second merchandise security device configured to secure a second item of merchandise from theft, the second merchandise security device configured to communicate with the electronic key for authorizing operation of the second merchandise security device,
- wherein the first merchandise security device is not configured to communicate with the electronic key for authorizing the operation of the first merchandise security device and the second merchandise security device does not include a lock mechanism configured to be operated by electrical power transferred from the electronic key, and
- 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.
3 more elements
Dependencies are inferred from the claim text.