Motion-Sensor Accessory Pairing for UI-Free Appliance Authentication
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Solution Overview
Problem
Establishing a trusted wireless connection between electronic accessories with motion sensors and household appliances connected to a computer network is challenging due to the lack of input/output user interfaces on both devices, preventing the exchange of identification codes.
Innovation Solution
A method using a portable device connected to the same network to display movements corresponding to a generated identification code, which is detected by motion sensors on the electronic accessory, allowing a trusted wireless connection by comparing the detected movements to a stored code on the household appliance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an identification code exchange is implemented to establish a trusted wireless connection, then connection security is improved, but device complexity increases due to requiring input/output user interfaces
Solution Approach 1:
The patent introduces a portable device (smartphone, tablet, or computer) as an intermediary to display the identification code and guide movements. This mediator handles the complex information display function, allowing the electronic accessory and household appliance to remain simple while still enabling secure pairing through the intermediary's interface capabilities
Solution Approach 2:
The patent replaces the traditional mechanical/manual input-output interface system with a motion-based authentication system. Instead of requiring physical buttons, displays, or keyboards on both devices, the system uses motion sensors to detect specific movements (patterns, directions, sequences) as the authentication mechanism, substituting mechanical interaction with motion detection
2Ease of operation
If motion sensors are used for authentication, then ease of operation is improved, but measurement precision requirements increase for detecting accurate movements
Solution Approach 1:
The portable device displays the identification code and guides the user on the specific movements to perform before the actual authentication occurs. This preliminary guidance ensures the user understands exactly what movements are required, improving the likelihood of accurate movement execution and detection while maintaining ease of operation
Solution Approach 2:
The system accepts movements within defined tolerance ranges rather than requiring perfectly precise reproduction. The motion sensors detect movements that fall within acceptable parameters (speed, direction, sequence), making the system dynamic and adaptable to natural variations in user movement while still ensuring secure authentication
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 a secure wireless connection without requiring user interfaces on either device, leveraging the network's processing power for complex and adaptable identification code generation, ensuring ease of use and enhanced security.
Implementation Method 1
one or more motion sensors, for example an accelerometer and/or a gyroscope, able to detect the position and/or the motion of such accessories
Data Source
AI summary
A method for pairing an electronic accessory provided with one or more motion sensors to a household appliance connected to a computer network. The method includes transmitting a connection request from the electronic accessory to the household appliance, transmitting an identification code request from the household appliance to the computer network, generating an identification code, transmitting and to a portable device, displaying by the portable device one or more movements, uniquely corresponding to the identification code, moving the electronic accessory to reproduce the one or more movements, detecting the performed one or more movements, transmitting to the household appliance a movement information uniquely corresponding to the detected one or more movements, and establishing a trusted wireless connection between the electronic accessory and the household appliance if the movement information, or an uniquely corresponding information thereof, is in a prefixed relation with the identification code or an identification information.