Optical Lock and Key System for Retail Merchandise Security

Solution Overview

Problem

Conventional locked cases in retail and distribution centers face issues with lost or misplaced physical keys, time-consuming key retrieval, and lack of access tracking, leading to security vulnerabilities.

Innovation Solution

The implementation of an optical lock and key system using light beams of specific wavelengths and intensities, detected by sensors, which communicate with a control device to securely unlock merchandise, reducing maintenance costs and enhancing security through digital access management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional metal lock and key are used, then the locking mechanism is simple and reliable, but key loss requires lock replacement and access time increases

Engineering Contradiction:
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces the mechanical key-lock system with an optical system. The optical key emits light beams with specific wavelength patterns that are detected by optical sensors in the lock, eliminating physical keys and enabling faster, more reliable access without mechanical wear or key loss issues.

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

Solution Approach 2:

The patent uses variable wavelength parameters of light beams to encode access information. The optical key emits light at specific wavelengths that correspond to authorized access codes, allowing multiple access levels and dynamic code changes without physical reconfiguration of the lock mechanism.

Inventive Principle:
Principle #35Parameter changes

2Device complexity

If conventional metal lock and key are used, then the locking mechanism is simple, but key management becomes complex when keys are lost or misplaced

Engineering Contradiction:
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The patent replaces physical keys with optical keys that emit light patterns. This eliminates the need for physical key management, storage, and retrieval processes, while maintaining simple lock mechanism design through optical sensor detection.

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

3Reliability

If conventional locked cases are used, then security is provided, but access tracking and monitoring are lacking

Engineering Contradiction:
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The patent incorporates feedback mechanisms where the optical lock system communicates access events, wavelength verification results, and authorization status to a central management system. This enables real-time monitoring and tracking of all access attempts without compromising security.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The optical lock system serves multiple functions: it provides security locking, verifies access authorization through wavelength detection, tracks access events, and communicates with management systems. This multi-functionality is integrated into a single system rather than separate components.

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

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

This system enables faster and more secure access to locked merchandise, reduces the risk of unauthorized access, and provides detailed logs of who accessed what and when, thereby improving customer service and loss prevention.

Implementation Method 1

one or more optical sensors configured to detect a plurality of wavelengths and an intensity associated with each wavelength from at least one light beam emitted by an optical key

Methodology Applied
Scientific EffectLight detection: Photoelectric Effect

Data Source

PatentUS10810812B2Apparatus and method for securing items with optical lock and key
Publication Date: 2020.10.20
  • US10810812B2 patent drawing
  • US10810812B2 patent drawing
  • US10810812B2 patent drawing

AI summary

Systems, apparatuses, and methods are provided herein for securing merchandise. In one embodiment an apparatus for securing merchandise comprises a locking mechanism limiting access to one or more items, one or more optical sensors configured to detect a plurality of wavelengths and an intensity associated with each wavelength from at least one light beam emitted by an optical key, and a control device comprising a control circuit and a memory device. The control device being configured to store a lock code comprising a plurality of wavelength values and a plurality of intensity values each associated with a wavelength value on the memory device and determine whether to release the locking mechanism based on whether intensities of each of the plurality of wavelengths detected by the one or more optical sensors match the lock code.