Proximity-Sensor Mailbox Lock to Reduce Theft and Unauthorized Access
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Solution Overview
Problem
Current delivery systems lack secure access control and tracking capabilities for mail and packages, leaving sensitive items unattended in unsecured public mailboxes, which are vulnerable to theft and misuse.
Innovation Solution
A secure delivery system featuring a deposit box with a lock mechanism operated by proximity sensors, allowing authorized delivery personnel and users to access the box using registered sensors, and a tracking system that monitors the status of items within the box.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If public access mailboxes are used for delivery, then delivery accessibility is improved, but security of mail and packages deteriorates
Solution Approach 1:
The system segments access control by using multiple proximity sensors (first proximity sensor for delivery personnel, second proximity sensor for authorized users) that can independently trigger the lock mechanism, allowing different levels of access to the same mailbox without compromising security
Solution Approach 2:
The patent replaces traditional mechanical key-based locking systems with an electronic lock mechanism controlled by proximity sensors, eliminating the need for physical keys while maintaining secure access control through electronic authentication
2Object-affected harmful factors
If proximity sensors and lock mechanisms are added to mailboxes, then security is improved, but device complexity deteriorates
Solution Approach 1:
The patent merges the lock mechanism, proximity sensors, and tracking system into an integrated mailbox unit, where all components work together as a unified system rather than separate additions, reducing overall system complexity through consolidation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures secure deposition and tracking of items, reducing the risk of theft and enhancing the security of sensitive mail and packages by providing controlled access and real-time monitoring.
Implementation Method 1
a first proximity sensor operatively connected to the lock mechanism to operate the lock mechanism to block the door or allow the door to open; a second proximity sensor configured to be attached to at least one of: a delivery person and a piece of delivery equipment
Data Source
AI summary
A system for securely depositing an item includes: a deposit box with a door configured to provide selective access to an interior space in the deposit box; a lock mechanism configured to attach to the deposit box to selectively block the door from opening; a first proximity sensor operatively connected to the lock mechanism to operate the lock mechanism to block the door or allow the door to open; a second proximity sensor configured to be attached to at least one of: a delivery person and a piece of delivery equipment; a third proximity sensor; and a first transmitter operatively connected to the lock mechanism and configured to transmit a signal indicative of operating information regarding the lock mechanism, and wherein the deposit box is at least 18 inches wide and 24 inches long.