Remote Media Caching Power Mode Transition

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Solution Overview

Problem

Streaming media content from a remote storage device to a mobile device consumes excessive power, as the device typically operates in a high power mode during content transfer and playback.

Innovation Solution

Implementing a system where the remote communications device transfers media content to a client device in high power mode and then enters a low power mode after completion, using API calls to manage power states and disable gateways to conserve energy, while the client device continues playback from local storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If the remote storage device streams media content to a mobile device, then the content can be played back on the mobile device, but the remote storage device consumes excessive power during streaming and playback

Engineering Contradiction:

Improvepower consumption of remote storage deviceVSAvoiduninterrupted playback continuity

Core Design Contradiction:

Use of energy by moving objectVSReliability

Solution Approach 1:

The system pre-loads media content from the remote storage device to the mobile device's local storage before playback begins. This preliminary action ensures that the content is available locally for uninterrupted playback while allowing the remote storage device to enter low power mode after the initial transfer, thus resolving the contradiction between power consumption and playback reliability.

Inventive Principle:

Principle #10Preliminary action

2Productivity

If the remote storage device operates in high power mode during content transfer, then the transfer speed and reliability are improved, but the energy consumption increases

Engineering Contradiction:

Improvecontent transfer speedVSAvoidenergy consumption during transfer

Core Design Contradiction:

ProductivityVSLoss of energy

Solution Approach 1:

The system performs the content transfer operation in advance before playback is needed. By completing the transfer beforehand, the remote storage device can operate in high power mode only during the transfer phase and then transition to low power mode, improving overall energy efficiency while maintaining transfer productivity.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The remote storage device alternates between high power mode during content transfer operations and low power mode during idle periods. This periodic switching optimizes the balance between transfer speed and energy consumption by ensuring high performance only when necessary and conserving energy during non-operational periods.

Inventive Principle:

Principle #19Periodic action

Data Source

PatentUS8781294B2Media content caching

Publication Date: 2014.07.15 SEAGATE TECH LLC

AI summary

A playback device includes tangible storage configured to receive transfer of media content from a remote communications device to the playback device while the remote communications device is operating in a high power mode. Interface logic is coupled to the tangible storage and configured to signal the remote communications device during the transfer to prepare the remote communications device to enter a low power mode after the transfer is complete. The remote communications device includes a content manager configured to transfer of media content from the remote communications device to a playback device while the remote communications device is operating in a high power mode. Power logic is coupled to the content manager and configured to prepare the remote communications device to enter a low power mode after the transfer is complete, responsive to receipt of a signal from the playback device during the transfer is complete.