Electronic lock box

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Solution Overview

Problem

Items delivered to homes or businesses are often left outside, making them vulnerable to theft and exposure to environmental elements, leading to potential damage or loss.

Innovation Solution

An electronic lock box with temperature-controlled sections and a code reader that receives order information from a server to securely store items by unlocking the appropriate section based on item characteristics, ensuring items are kept warm, cool, or at ambient temperature, and only accessible when the correct tracking number and delivery date match.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If items are left outside for delivery, then delivery convenience is improved, but items become vulnerable to theft and environmental damage

Engineering Contradiction:
Improvedelivery convenienceVSAvoiditem security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The lock box is divided into multiple temperature-controlled sections (heated section, cooled section, and non-temperature controlled section), each with independent locking mechanisms. This segmentation allows different items to be stored in appropriate environmental conditions while maintaining secure access control for each section.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system automatically receives order information from the server, stores it in memory, and uses the code reader to identify and verify tracking numbers. The processor automatically determines which section to unlock based on the item description and tracking number verification, eliminating manual intervention and enabling self-service operation.

Inventive Principle:
Principle #25Self-service

2Reliability

If temperature-controlled sections are added to protect temperature-sensitive items, then item protection is improved, but device complexity increases

Engineering Contradiction:
Improveitem protectionVSAvoidlock box structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The lock box incorporates multiple temperature-controlled sections (heated, cooled, and non-temperature controlled) within a single device, allowing it to serve multiple storage functions. The processor universally handles verification and unlocking logic for all sections, and the memory stores order information that applies to any section, reducing overall system complexity despite the multi-functional capability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system receives and stores order information from the server in advance, including item descriptions and tracking numbers. The processor verifies tracking numbers and determines the appropriate section to unlock before the item is placed, preparing the system ahead of time and simplifying the actual delivery process.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If automated verification systems are implemented to ensure authorized access, then access security is improved, but ease of operation deteriorates

Engineering Contradiction:
Improveaccess securityVSAvoidaccess convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The manual verification process is replaced with an automated code reading system. The code reader optically scans and automatically captures tracking numbers from items, eliminating manual data entry. The processor automatically compares the scanned tracking number with stored order information and verifies delivery dates, replacing mechanical verification steps with automated optical and computational processes.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system performs self-verification by automatically receiving order information from the server, storing it in memory, and using the code reader to identify and verify tracking numbers. The processor autonomously determines which section to unlock based on the verification results, eliminating the need for manual intervention and maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

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

The electronic lock box securely stores items until retrieval, protecting them from theft and environmental damage, while ensuring only authorized access, thus safeguarding valuable or temperature-sensitive goods.

Implementation Method 1

a heated section that includes a first locking mechanism

Methodology Applied
Scientific EffectHeating: Heating

Implementation Method 2

a cooled section that includes a second locking mechanism

Methodology Applied
Scientific EffectCooling: Cooling

Data Source

PatentUS11908256B2Electronic lock box
Publication Date: 2024.02.20 SYED SAJJAD MUSTAFA
  • US11908256B2 patent drawing
  • US11908256B2 patent drawing
  • US11908256B2 patent drawing

AI summary

In some aspects, an electronic lock box may include a heated section, a cooled section, a non-temperature controlled section, and a processor. The processor may receive, from a server, an indication of an electronic order. The processor may identify a code associated with an item. The processor may determine, from the code, a tracking number associated with the item and the description of the item. The processor may determine that the tracking number associated with the item corresponds to a tracking number associated with the electronic order and that a current date corresponds to an expected delivery date. The processor may provide an instruction to unlock the heated section, the cooled section, or the non-temperature controlled section to hold the item based on the description of the item. The processor may maintain an environmental status of sensors (e.g., weight, volume, temperature, operations, and/or location) within the electronic lock box.