Pairing Device for Secure BCC and Smartphone Link
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Solution Overview
Problem
Existing contactless devices with body-coupling communication interfaces cannot securely pair with non-BCC compliant mobile devices, such as smartphones, without modifying the device structure, which limits their ability to perform secure authentication and data exchange.
Innovation Solution
A pairing device that establishes a secure wireless communication path between a BCC compliant device and a non-BCC compliant mobile device with a touch screen, using a light sensor and calculator to generate pairing information, allowing a body-coupling communication interface to create a secure connection without modifying the mobile device's structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a body-coupling communication interface is used for secure authentication, then authentication security is improved, but compatibility with non-BCC compliant mobile devices deteriorates
Solution Approach 1:
The patent introduces a pairing device as an intermediary between the BCC compliant first device and the non-BCC compliant second device. The pairing device receives pairing information from the second device via light communication, generates corresponding pairing information, and transmits it to the first device through body-coupling communication. This mediator enables secure authentication between incompatible devices without requiring modifications to either endpoint device.
2Reliability
If direct BCC communication is established between devices, then communication security is improved, but device structure modification requirement worsens complexity
Solution Approach 1:
The pairing device serves as a mediator that enables secure BCC communication without requiring modifications to the first or second devices. It bridges the communication gap by receiving data via light sensor, generating appropriate pairing information, and transmitting it through its BCC interface to the first device, thus maintaining security while avoiding structural modifications.
Solution Approach 2:
The patent replaces the need for direct mechanical/electrical BCC interface modification in the second device with an optical communication approach. The light sensor detects light signals containing pairing information from the second device's screen, substituting the need for a physical BCC interface in the second device with an optical detection mechanism.
3Adaptability or versatility
If light sensor and screen are used for pairing information transfer, then compatibility with mobile devices is improved, but communication path complexity worsens
Solution Approach 1:
The pairing device exhibits multi-functionality by supporting multiple communication modes: it can receive pairing information from the second device via light communication using its light sensor, generate corresponding pairing information, and transmit it to the first device through body-coupling communication. This universal capability enables the pairing device to interface with both BCC and non-BCC compliant devices using their respective native communication methods.
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 wireless communication between BCC compliant and non-BCC compliant devices, enhancing user authentication and data exchange without requiring modifications to the mobile device, ensuring secure and convenient authentication processes.
Implementation Method 1
a light sensor and the screen of the second device allowing the definition of a light-based communication path for the transmission of a first pairing information from the second device to the pairing device
Implementation Method 2
The BCC is based on the principle that modulated electric field may carry a signal on a user body according to a capacitive coupling mode, thus the human body, and more particularly the skin, is used as a wire between the contactless device and a device with which it communicates
Data Source
AI summary
The invention relates to a pairing device for establishing a secure wireless communication path between a first device comprising a first body-coupling communication interface and a second device comprising a screen, said pairing device comprising: - a screen communication interface, said screen communication interface comprising a light sensor, said light sensor and the screen of the second device allowing the definition of a light-based communication path for the transmission of a first pairing information from the second device to the pairing device; - a calculator for generating a second pairing information once the first pairing information has been received by the pairing device; - a second body-coupling communication interface, said second body-coupling communication interface and the first body-coupling communication interface allowing the definition of a body-coupling communication path for the transmission of the second pairing information from the pairing device to the first device, said second pairing information allowing the establishment of a secure wireless communication path between the first device and the second device.