Modulated Light Network Password Key Delivery
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for providing network password keys in wireless networks often compromise security, such as through printed labels or RF broadcasting, and require physical input, which is inconvenient and insecure.
Innovation Solution
A lighting device that emits a modulated light containing a wireless network access code, which can be extracted by a mobile device to securely and conveniently access the network, using a light source, memory, and controller to generate and transmit the modulated light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If printed labels or spreadsheets are used to provide network password keys, then physical input is required which is inconvenient, but security is improved compared to RF broadcasting
Solution Approach 1:
The patent replaces the mechanical system of physical label printing and manual typing with an optical communication system. The lighting device modulates light to encode the access code, and the mobile device's camera captures and decodes this light signal automatically, eliminating the need for physical input while maintaining security through encrypted optical transmission.
Solution Approach 2:
The patent introduces light as an intermediary medium to transfer the access code from the lighting device to the mobile device. This optical intermediary enables secure password delivery without requiring physical contact or RF broadcasting, resolving the contradiction between convenience and security by providing automatic, encrypted optical transmission.
2Ease of operation
If RF broadcasting is used to broadcast network IDs, then ease of connection is improved, but security is compromised
Solution Approach 1:
The patent replaces RF broadcasting with optical communication using modulated light. This substitution maintains the ease of automatic connection while significantly improving security, as optical signals are directional, harder to intercept, and can be encrypted more effectively than RF signals that propagate freely through space.
Solution Approach 2:
The patent applies local quality by making the optical signal directional and localized to the immediate vicinity of the lighting device. Unlike RF broadcasting that radiates in all directions, the modulated light is confined to a specific spatial region, making interception difficult and enhancing security while maintaining ease of connection for devices within the light's path.
3Reliability
If physical input of password keys is required, then security is improved by preventing automated attacks, but user convenience deteriorates
Solution Approach 1:
The patent replaces the mechanical typing action with automatic optical capture and decoding. The mobile device's camera automatically captures the modulated light signal and the system decodes the access code without user intervention, eliminating the need for physical input while maintaining security through the optical transmission medium that resists automated attacks.
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
Enables secure and convenient access to wireless networks by transmitting access codes through modulated light, enhancing security and user experience while maintaining network integrity.
Implementation Method 1
a light source to emit a modulated light, a memory device for storing an access code of a wireless network, and a controller to control generation of the modulated light based on the access code
Data Source
AI summary
A lighting device includes a light source to emit a modulated light, a memory device for storing an access code of a wireless network, and a controller to control generation of the modulated light based on the access code, wherein the access code is extractable from the modulated light by a light receiving device.