The present invention provides a touch-type control system, a control device and a monitor device for merchandise security, including a controller and a monitor device, where the monitor device has an identifiable communication interface capable of communicating with the controller, and is configured to communicate with the controller via the identifiable communication interface and be initialized by a controller in communication therewith. The controller further comprises a touch-type communication interface for communicating with the monitor device, and is configured to be capable of controlling the monitor device initialized by the controller via the touch-type communication interface. In the system, the controller can communicate with the monitor device by means of a touch manner, thereby identifying, controlling and powering the monitor device, thereby solving the problem of the unification of power supply and data in the system.

The invention provides a grading control system and a control device for merchandise security, including at least two controllers and a plurality of monitor devices, wherein the controller comprises at least one main controller and at least one auxiliary controller. The monitor device has an identifiable communication interface that is capable of communicating with the controller, and is configured to be communicable with the controller via the identifiable communication interface, and to be initialized by the controller in communication therewith. The monitor device initialized by the auxiliary controller can be controlled by the main controller and the auxiliary controller. In this system, the controller can control the monitor devices within a set range according to the different privilege/level settings, respectively. The range controlled by the controller in the same system may be divided into different grades of control, realizing the control of grading and sub-regions and reflecting grading management.

A security device configured to be secured to an article. The security device includes a tag having an expandable portion with a retracted dimension and an expanded dimension. Applying a first removal force to the tag in an attempt to remove the security device from the article releases the expandable portion causing a dimension of the tag to increase from the retracted dimension to the expanded dimension.

A security device configured to be secured to an article. The security device includes a tag having an expandable portion with a retracted dimension and an expanded dimension. Applying a first removal force to the tag in an attempt to remove the security device from the article releases the expandable portion causing a dimension of the tag to increase from the retracted dimension to the expanded dimension.

A key for a security device is provided. The key may include an electronic component configured to communicate with one or more security devices to initially receive one or more codes associated with each of the security devices. The key may also include a memory configured to store the one or more codes associated with the one or more security devices. The electronic component is configured to communicate with each of the one or more security devices for arming and/or disarming the security devices upon a matching of the code stored by the memory with the code associated with the security device.

A merchandise security system for protecting an item of merchandise from theft. The merchandise security system comprises a smart device and an electronic key coupled to the smart device. The electronic key is configured to communicate with a merchandise security device for operating a merchandise security device.

Systems and methods for operating a tag detacher. The methods comprise: receiving a tag body of a security device in a nest of the tag detacher; actuating a detachment mechanism of the tag detacher so as to cause a release of a tack assembly from a securement mechanism located within the tag body of the security device; allowing the tag body to travel out of a nest by at least rotating a portion of the nest so that the nest transitions between a home position and a pivoted position; and returning the nest to the home position when the tag body no longer resides in the nest.

The present invention provides a touch-type control system, a control device and a monitor device for merchandise security, including a controller and a monitor device, where the monitor device has an identifiable communication interface capable of communicating with the controller, and is configured to communicate with the controller via the identifiable communication interface and be initialized by a controller in communication therewith. The controller further comprises a touch-type communication interface for communicating with the monitor device, and is configured to be capable of controlling the monitor device initialized by the controller via the touch-type communication interface. In the system, the controller can communicate with the monitor device by means of a touch manner, thereby identifying, controlling and powering the monitor device, thereby solving the problem of the unification of power supply and data in the system.

The invention provides a grading control system and a control device for merchandise security, including at least two controllers and a plurality of monitor devices, wherein the controller comprises at least one main controller and at least one auxiliary controller. The monitor device has an identifiable communication interface that is capable of communicating with the controller, and is configured to be communicable with the controller via the identifiable communication interface, and to be initialized by the controller in communication therewith. The monitor device initialized by the auxiliary controller can be controlled by the main controller and the auxiliary controller. In this system, the controller can control the monitor devices within a set range according to the different privilege/level settings, respectively. The range controlled by the controller in the same system may be divided into different grades of control, realizing the control of grading and sub-regions and reflecting grading management.

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.