Display Device Playback Position Transfer via Server Mediation
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Solution Overview
Problem
Current display devices are not interconnected, making it impossible for a viewer to watch continuous video content across different rooms, as they cannot resume playing from where the viewer left off on another device.
Innovation Solution
A playing method and system that allows a first display device to record playing position information and send matching information to other devices, enabling a second display device to pair with the first and resume playback from the recorded position when the viewer enters the new room, using a wireless display standard and face recognition for viewer identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If display devices are placed in different rooms for viewer convenience, then accessibility and ease of operation improve, but continuity of content playback deteriorates because devices cannot resume playing from where the viewer left off
Solution Approach 1:
The patent introduces a server as an intermediary that stores playback position information and matches it with device identifiers. When a viewer moves to a different room, the server mediates between the original device and the new device to transfer playback position data, enabling seamless continuation without direct device-to-device communication.
Solution Approach 2:
The patent creates a copy of the playback position information and stores it on the server. This copy can be retrieved by any display device in the network, allowing the viewer to resume content on a different device without losing the playback position data.
2Device complexity
If display devices operate independently in different rooms, then device complexity and system configuration simplify, but adaptability deteriorates because devices cannot automatically recognize and resume content for viewers who move between rooms
Solution Approach 1:
The patent makes the server universal by enabling it to serve multiple display devices across different rooms with a unified playback position management system. The server handles matching, storage, and retrieval functions that work with any device in the network, providing multi-functional capability without increasing individual device complexity.
Solution Approach 2:
The system implements feedback mechanisms where devices report their status and playback information to the server, which then provides feedback by returning matched playback position data. This feedback loop enables automatic recognition and resumption without complex device-to-device negotiation protocols.
3Speed
If playback position information is stored locally on each device, then information retrieval speed improves, but loss of information worsens because the information cannot be transferred to other devices
Solution Approach 1:
The server acts as an intermediary storage location that receives playback position information from devices and makes it accessible to other devices. This central化的 storage approach maintains fast retrieval speed while enabling cross-device transferability, as the server can quickly provide the stored information to any authorized device in the network.
Data Source
AI summary
The present application provides a playing method and a playing system. The playing method includes: playing display contents by a first display device; upon receipt of a storage instruction, recording playing position information and sending matching information to a second display device by the first display device; searching, by the second display device, for the first display device that sends the matching information upon receipt of a resuming instruction; pairing the first display device with the second display device; transmitting, by the first display device, the playing position information to the second display device; and resuming, by the second display device, playing the display contents according to the playing position information.