Content Receiver Thumbnail Generation and Transmission
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Solution Overview
Problem
Existing content receiving devices face challenges in efficiently presenting a list of acquired content items from broadcast waves to users, as they require significant storage capacity and channel capacity for thumbnail management, leading to increased costs and complexity.
Innovation Solution
A content receiving system that includes a content receiver, a request receiver, a generator, and a transmitter, which generates and transmits thumbnails directly to a display device without relying on the server, reducing the need for large storage and channel capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the content receiving device stores and manages thumbnails for all acquired content items, then the user can view thumbnails for content items from broadcast waves, but the storage capacity and channel capacity requirements increase significantly
Solution Approach 1:
The patent extracts the thumbnail generation and storage function from the content receiving device and relocates it to the server. The content receiving device only needs to request and display thumbnails, while the server generates, stores, and manages all thumbnails for content items across multiple devices. This extraction eliminates the need for each device to maintain large local thumbnail storage.
Solution Approach 2:
The server is designed to serve multiple content receiving devices simultaneously, providing thumbnail generation and storage services to all connected devices. This universal approach allows one server to replace multiple local thumbnail storage systems, reducing overall storage requirements across the network while maintaining thumbnail viewing capability for all users.
2Productivity
If the content receiving device generates and transmits thumbnails to the display device, then the thumbnail presentation can be optimized, but the channel capacity and data traffic increase
Solution Approach 1:
Instead of transmitting complete high-resolution thumbnails from the content receiving device to the display device, the system transmits only partial thumbnail data through the network. The server generates thumbnails at appropriate resolutions and transmits them directly to the display device, minimizing network traffic while ensuring sufficient thumbnail quality for user viewing.
3Adaptability or versatility
If each content receiving device maintains its own thumbnail storage, then the device can operate independently, but the system complexity and cost increase
Solution Approach 1:
The server acts as an intermediary between content receiving devices and display devices, centralizing thumbnail management functions. This mediator approach allows content receiving devices to remain simple and independent while the server handles the complexity of thumbnail generation, storage, and distribution to multiple devices simultaneously.
Data Source
AI summary
A content receiving device includes: a content receiver that acquires a content item; a request receiver that receives an acquisition request for a thumbnail; a generator; and a transmitter. The generator generates a thumbnail of the content item, which is acquired by the content receiver, in response to the acquisition request for the thumbnail being received by the request receiver. The transmitter transmits the thumbnail generated by the generator, to a transmission source of the acquisition request for the thumbnail.