Security Mounting Bracket Circuit for Housing Tamper Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing security devices fail to detect tampering attempts such as the removal of mounting brackets or housings, which can render the security function ineffective.
Innovation Solution
A tamper detection mechanism using electrical cables and a controller to monitor the presence of an electrical circuit formed between a security device housing and its mounting bracket, generating a tamper signal when the circuit is disrupted.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If mechanical push buttons are used to detect housing removal, then detection of housing separation is improved, but detection of mounting bracket removal is not achieved
Solution Approach 1:
The electrical circuit system serves multiple detection functions: it detects both housing separation (when cables disconnect from housing) and mounting bracket removal (when cables disconnect from bracket). This multi-functional approach resolves the limitation of mechanical push buttons that could only detect housing separation.
Solution Approach 2:
The patent replaces mechanical push button mechanisms with an electrical circuit-based detection system. The electrical cables and circuitry provide a more versatile detection mechanism that can sense both types of tampering through electrical connection status, overcoming the single-function limitation of mechanical systems.
2Device complexity
If simple mechanical tamper mechanisms are used, then device complexity is reduced, but reliability of tamper detection is insufficient
Solution Approach 1:
Electrical cables serve as intermediary elements that connect the housing and mounting bracket to the electrical circuit. These cables mediate the detection process by providing a reliable electrical path that indicates the physical state of connections, enhancing detection reliability without significantly increasing complexity.
3Adaptability or versatility
If electrical circuit monitoring is implemented, then detection of mounting bracket removal is achieved, but device complexity increases
Solution Approach 1:
The patent merges the tamper detection function with the existing electrical cable infrastructure. The same cables that provide power and data communication are also used for tamper detection, eliminating the need for separate detection wiring and reducing overall system complexity despite enhanced functionality.
4Ease of manufacture
If mechanical push buttons are used, then ease of manufacture is improved, but detection precision for various tamper types is insufficient
Solution Approach 1:
The electrical cables and circuitry automatically perform both their primary function (power and data transmission) and the secondary function (tamper detection). The system self-monitors its own connection status without requiring separate detection mechanisms, maintaining manufacturing simplicity while improving detection accuracy.
Data Source
AI summary
An assembly includes a premise security device, a mounting bracket, a first electrical cable, and a second electrical cable. The first electrical cable has a first electrical cable first end, connected to the premise security device controller, and a first electrical cable second end. The second electrical cable has a second electrical cable first end, electrically connected to the premise security device controller, and a second electrical cable second end. When the premise security device housing is coupled to the second mounting bracket portion, the second electrical cable second end is electrically connected to the first electrical cable second end to form an electrical circuit between the premise security device controller and the electrically connected electrical cable second ends. The premise security device controller is configured to monitor the presence of the electrical circuit and generate a tamper signal when the electrical circuit is no longer present.