Optical Transmission Unit for Secure Bluetooth Pairing
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Solution Overview
Problem
Existing devices for measuring vital parameters via Bluetooth face challenges in secure data transmission due to interference and the need for compactness, making manual authentication codes impractical.
Innovation Solution
A transmission unit with a shielded receptacle for Bluetooth-enabled devices that uses out-of-band signaling for secure Bluetooth pairing codes and patient-specific data transmission, employing a light source and detector for encrypted communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual authentication codes are used for Bluetooth pairing, then data security is improved, but device complexity and user-friendliness deteriorate
Solution Approach 1:
The patent replaces the mechanical/manual entry of authentication codes with an optical signal transmission system. A light emitter transmits pairing codes optically to a photodetector, eliminating the need for manual keyboard entry while maintaining security. This substitutes a mechanical interaction (typing codes) with an optical field-based transmission system.
Solution Approach 2:
The pairing process becomes self-service through automatic optical signal transmission. The devices automatically exchange pairing codes via light signals without requiring user intervention for code entry or comparison. The system performs the authentication process autonomously by detecting and processing the optically transmitted codes.
2Reliability
If user interface for entering PIN codes is added, then authentication security is improved, but device size and susceptibility to interference increase
Solution Approach 1:
The patent eliminates the need for physical keyboard interfaces and display screens by using optical signal transmission for authentication. The pairing code is transmitted as light signals between devices, removing the requirement for bulky user interface components while maintaining authentication security.
Solution Approach 2:
The patent extracts the authentication function from the physical user interface domain and transfers it to the optical communication domain. By taking out the need for keyboards, displays, and related input mechanisms, the device size is reduced while authentication security is preserved through optical code transmission.
3Reliability
If Bluetooth pairing is made secure through manual authentication, then data protection is improved, but ease of operation deteriorates
Solution Approach 1:
The patent implements self-service pairing through automatic optical signal exchange. The devices autonomously complete the pairing process by transmitting and detecting pairing codes via light signals, eliminating the need for users to manually enter or verify authentication codes. This maintains data protection while dramatically improving ease of operation.
Solution Approach 2:
The patent replaces the manual mechanical process of typing and verifying PIN codes with an automatic optical transmission system. The light-based communication enables seamless authentication without user intervention, preserving data protection through secure code exchange while making the operation as easy as bringing devices close together.
4Volume of moving object
If compact device design is implemented, then user-friendliness is improved, but ability to provide secure transmission deteriorates
Solution Approach 1:
The patent uses optical signal transmission to achieve secure communication without requiring bulky security components. By transmitting pairing codes and data through light signals between closely positioned devices, the system maintains compact form factors while ensuring secure transmission through the inherent security of optical communication channels.
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, interference-resistant transmission of Bluetooth pairing codes and patient-specific data without manual authentication, ensuring secure and compact device design for vital parameter measurement.
Implementation Method 1
The device used therefor comprises a light emitter, usually in the form of an LED emitting in the green, red or infrared ranges
Implementation Method 2
At a remote point, the light emerging from the tissue is detected with a photodiode and converted into electricity
Data Source
AI summary
The present invention relates to a transmission unit for a signal out of the bandwidth in a Bluetooth pairing of at least two Bluetooth-enabled devices, a device for measuring vital parameters, a system and a method for Bluetooth pairing.