Versatile Security Tag With Universal Accessory Interface
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Solution Overview
Problem
Existing electrical devices and security systems lack versatility and effectiveness in convertible applications for theft protection, particularly in scenarios requiring interchangeable accessories that can securely lock and detect breaches.
Innovation Solution
A security tag apparatus with a housing and circuitry that accommodates different accessories, such as pins and lanyards, which can be mechanically and electrically secured, triggering an alarm upon an undisarmed breach of the locked state, utilizing signal transfer springs and a lock mechanism to ensure secure detection and alert functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a security tag uses a fixed circuitry design, then the manufacturing process is simple, but the device lacks versatility for different accessories
Solution Approach 1:
The circuit board is designed with multiple connection terminals and configurable circuit paths that can accommodate different accessory types (pins, lanyards, tags) through a universal interface. The same circuit board can be configured to work with various accessories by changing connection settings rather than requiring different hardware designs.
Solution Approach 2:
The circuitry includes switchable and reconfigurable elements that allow the security tag to dynamically adapt its electrical connections based on which accessory is attached. The circuit can be programmed or mechanically configured to recognize and properly connect with different accessory types, enabling one device to serve multiple functions.
2Reliability
If the security tag uses a simple locking mechanism, then the device is easy to operate, but the security detection reliability is reduced
Solution Approach 1:
The locking mechanism incorporates electrical detection elements that work in conjunction with the mechanical lock. When the accessory is properly locked into place, electrical contacts are made that complete a circuit or change electrical resistance, providing a reliable detection signal. This combines simple mechanical operation with electrical verification to ensure both ease of use and detection reliability.
Solution Approach 2:
Electrical contacts and conductive elements serve as intermediaries between the mechanical locking action and the alarm detection system. The mechanical lock physically connects the accessory, while the electrical contacts detect this connection state and relay information to the alarm circuitry, ensuring accurate breach detection without complicating the mechanical operation.
3Reliability
If the security tag integrates multiple detection functions, then the security coverage is improved, but the device complexity increases
Solution Approach 1:
Multiple detection functions (mechanical breach detection, electrical circuit interruption detection, accessory presence detection) are merged into a single integrated alarm system. The circuit board consolidates multiple sensing points and evaluation logic into one unit, allowing the security tag to monitor various conditions simultaneously without requiring separate complex subsystems for each detection type.
Solution Approach 2:
The alarm system is designed as a multi-functional unit that can detect and respond to different types of breaches through a single integrated circuit. The same alarm mechanism can be triggered by mechanical disruption, electrical circuit changes, or accessory removal, providing comprehensive security coverage without multiplying the number of separate alarm devices needed.
Data Source
AI summary
A security tag including: a housing and circuitry which detects a locked state, the circuitry configured to execute a signal transfer function responsive to interchanging a pin and a lanyard in the circuitry, and/or the housing including a replaceable battery compartment locked by inserting either the pin or the lanyard into a lock mechanism which differently secures the pin and the lanyard; and an alarm, in communication with the circuitry, triggered by an undisarmed breach of the locked state.