Low Power Mode System Message Processing Circuit

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Solution Overview

Problem

Television system messages are often missed when electronic devices are in low power mode, leading to incorrect channel tuning and energy inefficiency, as existing technologies require continuous device circuitry power to process these messages.

Innovation Solution

The method involves generating a message available indicator and a process message signal to transition device circuitry from a powered down state to a powered up state only when system messages are received, allowing for efficient processing without continuous power usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If device circuitry is continuously powered up to process system messages, then system messages are reliably received and processed, but energy consumption increases

Engineering Contradiction:

Improvesystem message processing reliabilityVSAvoiddevice circuitry energy consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The device circuitry transitions dynamically between powered down and powered up states based on the presence of system messages. The interface circuitry monitors for system messages and only activates the device circuitry when messages are detected, making the power state dynamic rather than static.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The interface circuitry acts as an intermediary between the service provider and the device circuitry. It receives system messages from the service provider and determines whether to activate the device circuitry, mediating between continuous monitoring and power conservation.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Use of energy by moving object

If device circuitry is powered down to conserve energy, then energy consumption is reduced, but system messages may be missed causing redistribution delays

Engineering Contradiction:

Improvedevice circuitry energy consumptionVSAvoidsystem message redistribution time

Core Design Contradiction:

Use of energy by moving objectVSLoss of time

Solution Approach 1:

The interface circuitry performs preliminary action by monitoring for system messages and generating indicators before activating the device circuitry. This ensures that when the device circuitry is activated, system messages are already ready for processing, minimizing any potential delays.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The interface circuitry uses feedback from system message indicators to control the power state of the device circuitry. When a system message indicator is detected, the interface circuitry generates a signal to activate the device circuitry, creating a closed-loop feedback mechanism that ensures timely message processing.

Inventive Principle:

Principle #23Feedback

3Use of energy by moving object

If device circuitry is activated only when needed, then energy consumption is reduced, but message processing timing may be delayed

Engineering Contradiction:

Improvedevice circuitry energy consumptionVSAvoidsystem message processing speed

Core Design Contradiction:

Use of energy by moving objectVSSpeed

Solution Approach 1:

The interface circuitry maintains continuous monitoring for system messages while the device circuitry remains powered down. This ensures that when a message arrives, the system is already prepared to process it immediately upon activation, maintaining continuity in the useful action of message reception.

Inventive Principle:

Principle #20Continuity of useful action

Data Source

PatentUS7506349B2Method and apparatus for processing television system messages received when a device is in a low power mode

Publication Date: 2009.03.17 PANASONIC HOLDINGS CORP

AI summary

Methods and apparatus for processing system message data received at an electronic device that is in a low power mode are disclosed. System message data is processed by receiving at least one system message including data for processing by the electronic device while the electronic device is in the low power mode, generating a message available indicator responsive to the at least one system message, generating a process message signal responsive to at least one of (i) the message available indicator and (ii) the data of the at least one system message, transitioning device circuitry within the electronic device from a powered down state to a powered up state responsive to the process message signal, and processing the data of the at least one system message using the device circuitry in the powered up state.