MERCHANDISE SECURITY DEVICES FOR USE WITH AN ELECTRONIC KEY
First Claim
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1. A merchandise security device for protecting items of merchandise from theft, the merchandise security device comprising:
- a lock mechanism; and
a shape memory material operably engaged with the lock mechanism and configured to receive electrical power from an electronic key for locking and unlocking the lock mechanism,wherein the shape memory material is configured to change in shape in response to receiving electrical power to thereby lock or unlock the lock mechanism, andwherein no physical force is exerted by the electronic key on the lock mechanism in order to lock or unlock the lock mechanism.
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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.
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Citations
30 Claims
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1. A merchandise security device for protecting items of merchandise from theft, the merchandise security device comprising:
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a lock mechanism; and a shape memory material operably engaged with the lock mechanism and configured to receive electrical power from an electronic key for locking and unlocking the lock mechanism, wherein the shape memory material is configured to change in shape in response to receiving electrical power to thereby lock or unlock the lock mechanism, and wherein no physical force is exerted by the electronic key on the lock mechanism in order to lock or unlock the lock mechanism. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 27)
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14. A merchandise security system for protecting an item of merchandise from theft, comprising:
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an electronic key; and a merchandise security device comprising a lock mechanism that is operated by electrical power transferred from the electronic key to the lock mechanism, 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 wherein no physical force is exerted by the electronic key on the lock mechanism in order to lock or unlock the lock mechanism. - View Dependent Claims (15, 16, 17, 18, 19, 28, 29)
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20. A method for protecting an item of merchandise susceptible to theft, comprising:
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receiving electrical power from an electronic key at a lock mechanism; and locking or unlocking the lock mechanism in response to a change in shape of a shape memory material operably engaged with the lock mechanism, wherein locking or unlocking does not require exerting a physical force by the electronic key on the lock mechanism. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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30. A merchandise security system for protecting an item of merchandise from theft, comprising:
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an electronic key; a first merchandise security device comprising a lock mechanism that is operated by electrical power transferred from the electronic key to the lock mechanism; and a second merchandise security device comprising an alarm configured to be armed or disarmed by the electronic key, 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.
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Specification