Dynamic Graphic Pattern Device Pairing via Camera Recognition
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Solution Overview
Problem
Current device pairing methods, such as those between hand-held devices and televisions, require manual selection from a list of available devices, lacking the ability to automatically identify the user's presence in front of a specific device.
Innovation Solution
Implementing a method where a first device wirelessly communicates with a second device by displaying a dynamic graphic pattern on the second device's display, which is recognized by a camera, allowing data transfer based on the recognized pattern, enabling automatic pairing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual selection from device list is used for pairing, then device compatibility is ensured, but pairing time and user convenience deteriorate
Solution Approach 1:
The patent replaces the manual mechanical selection process with an automated optical recognition system. The camera captures the displayed pattern, and image processing algorithms automatically identify and select the target device, substituting human manual operation with automated optical-mechanical systems.
Solution Approach 2:
The system enables self-service pairing where the devices automatically complete the pairing process without user intervention. The automated recognition system identifies the target device and initiates pairing autonomously, allowing the system to serve itself rather than requiring manual user input.
2Productivity
If automated recognition is implemented, then pairing speed is improved, but system complexity increases
Solution Approach 1:
The patent introduces an intermediary visual pattern display as a mediator between devices. Instead of direct complex device-to-device communication protocols, the system uses a visual intermediate representation that can be easily captured and processed, simplifying the overall system architecture while maintaining high pairing speed.
Solution Approach 2:
The system creates a visual copy or representation of device identity through the displayed pattern. Rather than directly exchanging complex device identifiers through multiple protocols, the patent uses a visual copy that can be captured by the camera and processed through image recognition, reducing system complexity.
3Measurement precision
If dynamic graphic pattern recognition is used, then automatic pairing accuracy is improved, but detection difficulty increases
Solution Approach 1:
The patent employs dynamic graphic patterns that change over time rather than static images. This dynamic characteristic allows the recognition system to track temporal changes and distinguish the target device more reliably, improving identification accuracy while providing temporal cues that simplify the detection process.
Solution Approach 2:
The system uses periodic changes in the graphic pattern to encode device identity information. By implementing regular temporal cycles in the pattern display, the recognition system can synchronize with these periodic changes, making detection easier while maintaining high precision in device identification.
Data Source
AI summary
A method for wirelessly connecting a first device with an external second device includes wirelessly communicating between the first device and the external second device. Based on the wireless communication, the first device causes displaying of a dynamic graphic pattern on a display of the external second device. The dynamic graphic pattern having a shape that changes over time. A camera of the first device receives the dynamic graphic pattern. The first device recognizes the dynamic graphic pattern associated with the external second device. Data is wirelessly transferred between the first device and the external second device based on the recognized dynamic graphic pattern.