Residential Gateway FXS Port Polarisation Control

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Solution Overview

Problem

Residential gateways face challenges in optimizing electrical consumption while ensuring correct operation of a wide range of analogue telephones, as reducing line current and voltage can lead to malfunctioning and degraded communication quality.

Innovation Solution

The method involves configuring FXS ports from a pair of polarisation points that are either default or economical, selected through comparative testing based on user feedback and electrical characteristics, to balance power consumption and communication quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If default polarisation points are used to ensure correct operation of all analogue telephones, then reliability is improved, but electrical consumption increases

Engineering Contradiction:
Improvetelephone operation correctnessVSAvoidelectrical consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent applies parameter changes by dynamically adjusting the polarisation points (voltage and current characteristics) based on the specific telephone type detected. Instead of using fixed default polarisation points that ensure compatibility but consume excessive power, the system modifies these parameters to optimal values tailored to each telephone model, thereby reducing electrical consumption while maintaining reliable operation.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent implements dynamics by making the polarisation points adaptive rather than static. The system continuously monitors telephone characteristics and adjusts the polarisation parameters in real-time, allowing the gateway to transition between different operational states (default mode for compatibility, economical mode for power savings) based on actual telephone requirements.

Inventive Principle:
Principle #15Dynamics

2Use of energy by moving object

If economical polarisation points are used to reduce electrical consumption, then energy efficiency is improved, but telephone operation reliability deteriorates

Engineering Contradiction:
Improveelectrical consumptionVSAvoidtelephone operation correctness
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

The patent resolves this contradiction by changing the polarisation parameters dynamically based on detected telephone characteristics. When an economical polarisation point is selected, the system adjusts voltage and current levels to optimal values specific to that telephone type, ensuring reliable operation at lower power consumption rather than using fixed low-power settings that would fail with incompatible telephones.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent applies feedback mechanisms by monitoring telephone performance and characteristics, then adjusting polarisation points accordingly. The system receives feedback about telephone type and operational status, and uses this information to select appropriate polarisation settings that balance power consumption with operational reliability for each specific telephone model.

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If default polarisation points are used for all telephones, then adaptability is improved, but power consumption increases

Engineering Contradiction:
Improvecompatibility with telephone typesVSAvoidelectrical consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The patent resolves this contradiction by changing polarisation parameters based on detected telephone type. Instead of using universal default polarisation points for all telephones, the system adjusts voltage and current characteristics to optimal values specific to each telephone model, achieving both adaptability and power efficiency through parameter customization.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent applies local quality by tailoring the polarisation characteristics to match the specific requirements of each telephone type. Rather than applying a uniform polarisation setting across all telephones, the system creates locally optimized parameters for each device, ensuring both compatibility and energy efficiency for each specific telephone-gateway connection.

Inventive Principle:
Principle #3Local quality

4Use of energy by moving object

If economical polarisation points are selected, then electrical consumption is reduced, but measurement precision of telephone characteristics deteriorates

Engineering Contradiction:
Improveelectrical consumptionVSAvoidelectrical characteristic detection
Core Design Contradiction:
Use of energy by moving objectVSMeasurement precision

Solution Approach 1:

The patent applies dynamics by making the measurement and polarisation process adaptive. The system dynamically adjusts measurement parameters and polarisation settings based on the specific telephone type detected, ensuring that measurements are performed with sufficient precision while subsequent operation consumes minimal power. The measurement phase uses adequate power levels to ensure accuracy, then transitions to economical operation.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS9325859B2Method for optimising electrical consumption of a residential gateway
Publication Date: 2016.04.26 SAGEMCOM BROADBAND SAS
  • US9325859B2 patent drawing
  • US9325859B2 patent drawing
  • US9325859B2 patent drawing

AI summary

A method for optimizing an electrical consumption of a residential gateway comprising at least one Foreign Exchange Station (FXS) port to which an analog telephone is connected via a line, the FXS port being configured from a pair of polarization points, referred to as default, which defines maximum voltage and current characteristics of the line, the method comprising storing at least one other pair of polarization points, referred to as economical, which defines maximum voltage and current characteristics of the line that are lower than those defined by the pair of default polarization points, selecting a pair of polarization points from the pair of default polarization points and the at least one pair of economical polarization points depending on the result of a comparative test on all these pairs of polarization points and configuring the FXS port from the pair of polarization points thus selected.