Cross-Device Projection via NFC Tag Binding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The process of switching content between multiple electronic devices is time-consuming and cumbersome, leading to a poor user experience due to the need for manual projection and device selection within a Wi-Fi network.
Innovation Solution
A cross-device content projection method using NFC tags to automatically identify and connect to multiple target devices, allowing seamless projection of content by reading device identifiers stored on the NFC tag, thereby simplifying the user's operation and enhancing collaboration between devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual projection function is used to search and select target devices in Wi-Fi network, then content can be projected to other devices, but the operation process is time-consuming and cumbersome
Solution Approach 1:
The patent applies preliminary action by pre-binding multiple device identifiers to the NFC tag before the projection operation. When the user brings the mobile phone close to the NFC tag, the system automatically retrieves the pre-stored device identifiers and initiates projection without requiring the user to manually search or select target devices in the Wi-Fi network, thus significantly reducing operation time and complexity
Solution Approach 2:
The patent introduces an NFC tag as an intermediary device that stores device identifiers. This intermediary enables rapid device identification and connection by transferring stored identifiers from the NFC tag to the mobile phone through NFC communication, bypassing the need for manual device selection in the Wi-Fi network and streamlining the projection process
2Productivity
If multiple devices are bound to NFC tag for automatic projection, then device selection is automated and efficient, but the device complexity increases
Solution Approach 1:
The patent applies self-service by enabling the NFC tag to autonomously store and provide device identifiers without requiring complex configuration or management systems. The binding process is simplified to merely writing identifiers to the NFC tag, and the projection process automatically retrieves and uses these identifiers, eliminating the need for users to manually select devices or configure complex projection settings
Solution Approach 2:
The patent applies universality by designing the NFC tag to serve multiple functions: storing multiple device identifiers, enabling automatic device identification, and facilitating projection to multiple target devices. This single NFC tag can bind and manage multiple electronic devices, reducing the need for separate configuration processes for each device and simplifying the overall system complexity
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
This method enables convenient and quick content projection across multiple devices, improving user experience and efficiency by automating the device selection process and allowing simultaneous content playback on multiple targets.
Implementation Method 1
when a distance between the first electronic device and an NFC tag is close enough, the first electronic device may obtain, from the NFC tag, N (N is an integer greater than 1) second electronic devices bound to the NFC tag
Data Source
AI summary
A cross-device content projection method includes a first electronic device starting to play first content. The first electronic device obtains, from a near-field communication (NFC) tag, N second electronic devices bound to the NFC tag, where N is an integer greater than 1. The first electronic device projects, according to a preset projection policy, the first content onto at least two of the N second electronic devices for continuous playing.