Communication Interface Device for Set-Top Box Content Transcoding

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Solution Overview

Problem

Traditional communication systems, such as satellite television systems, are limited in accessing various types of content, particularly web-based content, due to the inability of user devices like set-top boxes to receive and decode external sources beyond their internal capabilities.

Innovation Solution

A communication interface device that receives requests for content lists from user devices, communicates these lists, initiates content transfers from storage devices, and transcodes content to compatible formats for user devices, enabling access to external web-based content and internal network sources.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a set top box is designed to receive only traditional broadcast content, then device complexity is reduced and reliability is improved, but adaptability to access various content sources (including web-based content) deteriorates

Engineering Contradiction:
Improvecontent source compatibilityVSAvoiddevice architecture
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

A communication interface device is introduced as an intermediary between the set top box and multiple content sources (broadcast, web-based, and internal network sources). The interface device handles protocol conversion and content retrieval, allowing the set top box to access diverse content without modifying its core architecture. This resolves the contradiction by enabling content source compatibility while preserving the simplicity and reliability of the original set top box design.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The communication interface device is designed with multi-functionality to handle multiple content sources and protocols simultaneously. It can retrieve content from broadcast sources, web-based sources, and internal network sources, and provide unified access to the set top box. This universal interface enables the system to access various content types without increasing the complexity of individual components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If web-based content sources are added to the system, then content variety is improved, but the ability of the set top box to receive and decode content deteriorates due to format incompatibility

Engineering Contradiction:
Improvecontent format compatibilityVSAvoidcontent decoding reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The communication interface device serves as a mediator that retrieves content from web-based sources in various formats and converts them into formats compatible with the set top box. This intermediary handling of format conversion ensures that the set top box receives content in reliable, decodeable formats while still accessing diverse content sources, thus maintaining decoding reliability while improving format compatibility.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system changes the format parameters of content through the communication interface device before delivering it to the set top box. Web-based content in various formats is retrieved and transformed into standardized formats that the set top box can reliably decode. This parameter transformation enables content format compatibility while preserving decoding reliability through controlled format conversion.

Inventive Principle:
Principle #35Parameter changes

3Quantity of substance

If content is transferred from multiple sources including external networks, then content variety is improved, but system complexity increases due to additional communication interfaces and protocols

Engineering Contradiction:
Improvecontent varietyVSAvoidcommunication infrastructure
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

Multiple communication functions are merged into a single communication interface device that handles broadcast, web-based, and internal network sources. Instead of adding separate interface components for each content source, the system consolidates these functions in one device, reducing overall system complexity while still providing access to diverse content sources. This merging approach increases content variety without proportionally increasing communication infrastructure complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The communication interface device is designed as a universal multi-functional component that can access and retrieve content from multiple different sources and protocols through a single interface. This universal design eliminates the need for multiple specialized interfaces, thereby increasing content variety while minimizing the increase in communication infrastructure complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS9414023B2Method and system for interfacing content between devices
Publication Date: 2016.08.09 DIRECTV LLC
  • US9414023B2 patent drawing
  • US9414023B2 patent drawing
  • US9414023B2 patent drawing

AI summary

A communication interface device and method for operating the same includes a communication module receiving a request for a content list from a first user device and a list module generating a content list. The communication module communicates the content list device to the first user device and receives a content selection from the user device. A control module initiates a transfer of content corresponding to the content selection from a content storage device. The communication module receives the content at the communication interface device from the content storage device and communicates the content to the first user device.