Rotating Sensor Lock for Secure Merchandise Display Bases
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Solution Overview
Problem
The increasing vulnerability and declining profit margins of small and lightweight electronic merchandise in retail environments due to advances in technology pose a significant challenge in effectively and cost-efficiently securing these items from theft.
Innovation Solution
A merchandise display system that includes a sensor with alarming circuitry attached to the merchandise, a tether secured to a base with a recoiler, and a lock mechanism, allowing the sensor to rotate while locked, and featuring a release mechanism for easy inspection and reattachment, along with power delivery through conductors in the tether.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a security device is used to prevent theft of small and lightweight electronic merchandise, then security effectiveness is improved, but device complexity and cost increase
Solution Approach 1:
The security system is divided into separate functional modules: a sensor unit that detects removal attempts, a tether that physically restricts movement, and a base unit that anchors the system. This segmentation allows each component to be optimized independently while maintaining overall security effectiveness without excessive complexity
Solution Approach 2:
The tether acts as an intermediary element between the sensor and the base, providing both physical security restraint and a conduit for power delivery. This intermediary approach consolidates multiple functions (security, power delivery, signal transmission) into a single component, reducing overall system complexity
2Reliability
If the sensor is firmly locked to the base for security, then security effectiveness is improved, but ease of operation for inspection and reattachment deteriorates
Solution Approach 1:
The engagement members are designed with dynamic characteristics that allow them to transition between locked and unlocked states. The spring-biased second engagement member can be easily actuated to disengage from the first engagement member, enabling quick inspection and reattachment while maintaining secure locking during normal operation
Solution Approach 2:
The spring bias on the second engagement member pre-positions it for easy disengagement. When release force is applied, the spring automatically drives the engagement member out of the locked position, eliminating the need for complex unlocking mechanisms and simplifying the inspection and reattachment process
3Reliability
If the sensor is locked to the base, then security is improved, but the ability to rotate and change orientation is restricted
Solution Approach 1:
The engagement members are designed to maintain locked engagement while allowing rotational movement. The geometric configuration of the engagement surfaces permits the sensor to rotate within the locked state, providing dynamic adaptability for different display orientations without compromising security
Solution Approach 2:
The locking mechanism constrains translational movement in three dimensions while permitting rotation around the vertical axis. This selective constraint approach locks the sensor in place security-wise while maintaining freedom of orientation, effectively adding rotational degree of freedom alongside the translational constraints
4Reliability
If a tether with power delivery is used to secure merchandise, then security and power supply are improved, but device complexity increases
Solution Approach 1:
The tether combines multiple functions into a single component: physical security restraint, power delivery conductor, and signal transmission medium. By merging these functions into one element rather than using separate components, the system achieves improved reliability without proportionally increasing complexity
Solution Approach 2:
The tether is designed as a multi-functional universal component that simultaneously provides mechanical restraint, electrical power delivery, and data communication capabilities. This multi-functionality reduces the total number of components needed in the system, offsetting the increased complexity of the multi-functional tether itself
Data Source
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AI summary
Embodiments of the present invention are directed to merchandise display systems and methods for displaying an article of merchandise. In one example, the system includes a sensor configured to be secured to the article of merchandise. The sensor includes a first engagement member. The system also includes a base configured to removably support the sensor thereon. The base includes a second engagement member configured to releasably engage the first engagement member such that the sensor is locked to the base. The sensor is configured to rotate with respect to the base while locked thereto.