CATV Attenuator Identification Circuit for Remote Failure Analysis

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Solution Overview

Problem

Manual site visits by network engineers to diagnose issues with CATV plug-in fixed attenuators are inefficient and costly due to the physical characteristics of these devices, which require on-site checks when equipment fails or is improperly placed.

Innovation Solution

An identification circuit comprising a power supply module, detection module, and microcontroller unit (MCU) identification module that detects the output divided voltage value to determine the attenuation value of the plug-in fixed attenuator, allowing remote evaluation and failure analysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual site visits are used to diagnose CATV attenuator issues, then accurate physical inspection can be performed, but efficiency is reduced and costs increase due to required human resources

Engineering Contradiction:
Improveinspection accuracyVSAvoiddiagnosis efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The CATV plug-in fixed attenuator performs self-diagnosis by automatically detecting its own operational status, attenuation value, and physical state through integrated sensors and a communication module, eliminating the need for manual inspection while maintaining diagnostic accuracy

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical inspection with an automated electronic detection system that uses sensors, signal processing circuits, and wireless communication to transmit status information remotely, substituting human physical presence with electronic monitoring

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If manual site visits are used to check CATV attenuator placement and operation, then proper installation verification is possible, but resource utilization increases and time is lost

Engineering Contradiction:
Improveinstallation verificationVSAvoidtime for site visits
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The attenuator includes sensors that continuously monitor installation status, physical state, and operational parameters, transmitting this feedback information wirelessly to remote monitoring systems for real-time verification of proper installation and operation

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary detection of installation correctness and operational status automatically before manual intervention is needed, enabling proactive identification and resolution of issues

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11047902B2Identification circuit for cable television plug-in fixed attenuator
Publication Date: 2021.06.29 GLOBAL TECHNOLOGY INC
  • US11047902B2 patent drawing
  • US11047902B2 patent drawing
  • US11047902B2 patent drawing

AI summary

An identification circuit for a CATV plug-in fixed attenuator is disclosed. The disclosed identification circuit may include an attenuator, a power supply module to supply power, a detection module to detect an output divided voltage value, and a microcontroller unit (MCU) identification module to determine an attenuation value of the CATV plug-in fixed attenuator based on the detected divided voltage value. The power supply module is connected to an input terminal of the plug-in fixed attenuator. The detection module is connected to an output terminal of the plug-in fixed attenuator and to the MCU identification module. With the disclosed embodiments, attenuation parameters can be determined remotely and failures on the line can be located.