High-Frequency Light Encoding for Secure Peripheral Pairing
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Solution Overview
Problem
Existing peripheral computing devices lack secure, proximity-based wireless communication methods that prevent interception by malicious devices and facilitate efficient setup processes without compromising user privacy.
Innovation Solution
Implementing unidirectional, high-frequency light signals for communication between computing devices using analog modulation encoding, with detection sensors capable of receiving frequencies above those detectable by cameras, ensuring privacy and security through short-range, line-of-sight transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless communication is implemented using conventional methods (Wi-Fi, Bluetooth), then device connectivity and communication capability are improved, but security against interception by malicious devices deteriorates
Solution Approach 1:
The patent uses light as an intermediary medium for communication between devices. Instead of direct electromagnetic wireless transmission that can be intercepted, the system modulates light from ambient sources (screens, displays) to encode communication data. This intermediary approach provides security because light requires line-of-sight and cannot penetrate walls, preventing remote interception while maintaining communication capability.
Solution Approach 2:
The patent replaces conventional electromagnetic wireless communication systems with an optical-based system. By using light modulation and detection instead of traditional Wi-Fi/Bluetooth radio frequency transmission, the system achieves secure communication through physical line-of-sight requirements, effectively substituting the communication mechanism to eliminate security vulnerabilities.
2Reliability
If high-frequency light signals are used for communication, then security and privacy are improved through short-range transmission, but compatibility with standard camera detection deteriorates
Solution Approach 1:
The patent changes the frequency parameter of light signals to exceed the detection capabilities of standard camera sensors. By operating at frequencies above what conventional cameras can capture, the system ensures that only specialized detection sensors can receive the communication signals, providing security through frequency-based access control while maintaining communication functionality.
Solution Approach 2:
The patent leverages existing ambient light sources (device screens, displays) that are already present in consumer electronics as communication transmitters. Instead of requiring expensive dedicated transmitters, the system repurposes existing components, making the security-enhancing high-frequency light communication accessible through materials and components already available in modern devices.
3Reliability
If unidirectional light signal transmission is implemented, then privacy awareness and security are improved, but bidirectional communication capability deteriorates
Solution Approach 1:
The patent inverts the traditional communication model by making the peripheral device (speaker, wearable) the active transmitter and the computing device (smartphone, tablet) the passive receiver. Instead of the computing device initiating communication, the peripheral device continuously transmits modulated light signals that the computing device detects. This inversion maintains privacy security through unidirectional transmission while enabling full bidirectional communication functionality.
Solution Approach 2:
The peripheral device performs self-service by continuously transmitting its status, configuration, and communication data through modulated light without requiring active requests from the computing device. The computing device simply needs to detect and decode the signals, making the communication process autonomous on the peripheral device side while maintaining secure unidirectional transmission.
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, privacy-aware wireless communication and efficient device setup by preventing signal interception and enhancing user interface interactions, while conserving battery life and reducing environmental interference.
Implementation Method 1
encoding information using an analog modulation encoding technique
Implementation Method 2
receiving, at a detection sensor of the computing device, a light signal from the peripheral computing device
Data Source
AI summary
The embodiments set forth a technique for enabling a computing device to securely communicate with a peripheral computing device. According to some embodiments, the method can include the steps of (1) receiving, at a detection sensor of the computing device, a light signal from the peripheral computing device, wherein the light signal is received at a first frequency that is higher than a second frequency capable of being detected by a camera system of the computing device, (2) extracting information from the light signal, and (3) performing an operation using the information.