Conditional Movable Barrier Access via Dual Signal Verification
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Solution Overview
Problem
Existing entry control systems for homes struggle to provide secure and convenient access for delivery and service personnel, as they often require homeowners to be present for code or transmitter exchange, leading to potential unauthorized access and security risks due to long-range communication devices.
Innovation Solution
A method and system that conditionally allows access to movable barriers by requiring a combination of long-range and visual-range signals within a set time frame, ensuring proper verification and reducing improper access, while allowing flexible access for authorized third parties without compromising security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If long-range communication devices are used for entry control, then convenience and flexibility of access are improved, but the risk of improper or inadvertent access increases
Solution Approach 1:
The patent introduces a visual verification intermediary (human observer) between the long-range signal transmission and the barrier operation. The system receives a first signal from a long-range device and a second signal from a visual verification, requiring both to be received within a set time frame before operating the movable barrier. This intermediary step prevents inadvertent access while maintaining convenience.
Solution Approach 2:
The patent requires preliminary visual verification (second signal) to be obtained before the long-range signal (first signal) can effectively operate the barrier. By requiring the visual-range signal to be received within a set time frame relative to the long-range signal, the system performs preliminary verification to prevent improper access before the actual barrier operation occurs.
2Ease of operation
If codes or transmitters are given to third parties for access, then ease of operation is improved, but security is compromised as unauthorized access becomes possible
Solution Approach 1:
The patent transforms the static access code/transmitter system into a dynamic multi-verification system. Instead of relying on a single permanent credential, the system now requires dynamic verification through both long-range signal reception and visual-range signal confirmation within a time frame. This dynamic approach maintains ease of operation for authorized users while preventing unauthorized access.
3Reliability
If dual signal verification is implemented, then security against improper access is improved, but device complexity increases
Solution Approach 1:
The patent implements a universal controller that handles multiple functions: receiving long-range signals, receiving visual-range signals, timing verification, and barrier operation control. By consolidating these functions into a single multi-functional device, the system achieves enhanced security through dual verification while minimizing the increase in overall system complexity.
Data Source
AI summary
A method and system provides conditional allowance of access by operating a movable barrier such that access is not granted unless another condition is met. In one illustrative approach, a first signal is received and, if a second signal is received within a set time frame relative to receipt of the second signal, a movable barrier operator is then activated. By one approach, one of the signals is a long-range transmission, and the other signal is a visual-range transmission.