Real-Time DVR Programming Via Secure Instant Messaging

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Solution Overview

Problem

Existing DVR systems lack efficient and real-time synchronization mechanisms for programming and data updates across devices, leading to potential delays and inefficiencies in recording and playback operations.

Innovation Solution

Implementing a real-time DVR system that utilizes secure client-server instant message protocols, such as XMPP, for seamless synchronization between DVRs and service providers, enabling instant messaging for fast data updates and direct device communication, combined with periodic polling for robustness.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If traditional DVR systems use periodic polling for data synchronization, then system robustness is maintained, but real-time programming updates are delayed

Engineering Contradiction:

Improveprogramming update speedVSAvoidsynchronization reliability

Core Design Contradiction:

SpeedVSReliability

Solution Approach 1:

The system establishes instant messaging connections and event subscription mechanisms in advance, so that when programming events occur, the DVR can immediately receive and process updates without waiting for periodic polling cycles to complete.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The service provider sends instant notifications to the DVR when programming events occur, creating a feedback loop that immediately informs the DVR of changes. This allows the system to respond to events as they happen rather than discovering them during scheduled polling intervals.

Inventive Principle:

Principle #23Feedback

2Productivity

If DVR systems implement real-time instant messaging protocols, then programming update speed increases, but system complexity increases

Engineering Contradiction:

Improvedata synchronization efficiencyVSAvoidcommunication protocol complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The service provider acts as an intermediary that manages the complex instant messaging protocol communications between multiple DVRs and the central system. This mediator handles message routing, event subscription management, and protocol standardization, reducing the complexity burden on individual DVR devices.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If DVRs use direct device communication for programming, then operational efficiency improves, but system robustness decreases

Engineering Contradiction:

Improveprogramming operation efficiencyVSAvoidcommunication reliability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The system implements error handling, message acknowledgment mechanisms, and fallback protocols in advance to cushion against communication failures. If direct communication fails, the system has pre-established methods to recover and ensure programming operations complete successfully.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS12464193B2Real-time DVR programming

Publication Date: 2025.11.04 ADEIA MEDIA SOLUTIONS INC

AI summary

Techniques for real-time DVR programming employ secure instant message protocol in a DVR environment. An embodiment sends an instant message to the DVR which causes the DVR to open a new secure connection with the service provider for synchronizing data on the DVR with updated programming data from the service provider. Another embodiment uses an already established connection with an instant message server for synchronizing data on the DVR with updated programming data from the service provider.