Modular CATV Entry Adapter With Segmented Diplexer Housing

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Solution Overview

Problem

Conventional CATV entry adapters face complexity and cost issues when integrating PoE filters and diplexers to support both MoCA and CATV signals, leading to performance variability and the need for frequent updates with changing frequency bands.

Innovation Solution

A modular CATV entry adapter design with separate housings for a diplexer and splitters, incorporating low-pass and high-pass filters to isolate CATV and MoCA signals, allowing for independent transmission and reception, and enabling easy adaptation to frequency band changes without replacing the entire unit.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If PoE filters and diplexers are integrated into the CATV entry adapter to support both MoCA and CATV signals, then signal transmission capability is improved, but device complexity and manufacturing cost increase

Engineering Contradiction:
Improvesignal transmission capabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent divides the entry adapter into separate functional modules: a first housing containing the diplexer and a second housing containing the splitters and PoE filters. This segmentation allows each module to be independently manufactured, tested, and replaced, reducing overall system complexity while maintaining full signal transmission capability for both MoCA and CATV.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The entry adapter is designed to perform multiple functions through a single integrated structure: it simultaneously handles MoCA signal transmission, CATV signal distribution, and PoE filtering. The diplexer and splitters are configured to manage different frequency bands and signal types, providing universal support for various communication protocols without requiring separate devices.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If PoE filters and diplexers are integrated into the CATV entry adapter to support both MoCA and CATV signals, then signal transmission capability is improved, but manufacturing cost increases

Engineering Contradiction:
Improvesignal transmission capabilityVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

By separating the diplexer and splitters into different housings, the patent enables independent manufacturing of each component. This allows for specialized production processes for each module, potentially reducing overall manufacturing cost through economies of scale and simplified assembly procedures.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs a nested structure where the diplexer housing and splitter housing can be independently assembled and then integrated into the complete entry adapter system. This nesting approach allows for modular manufacturing where components can be produced separately and then assembled, reducing the complexity and cost of manufacturing the entire unit as a single integrated device.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Adaptability or versatility

If the entire adapter is replaced to adapt to changing frequency bands, then compatibility is improved, but loss of time increases

Engineering Contradiction:
Improvefrequency band compatibilityVSAvoidinstallation time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent segments the entry adapter into replaceable housing modules (diplexer housing and splitter housing) that can be independently swapped. When frequency band changes require adaptation, only the affected module needs to be replaced rather than the entire adapter, significantly reducing installation time and disruption.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The modular design creates a dynamic system where components can be easily reconfigured or replaced based on changing frequency band requirements. The separable housing structure allows the system to adapt to new standards by simply exchanging modules rather than replacing the entire device, enabling flexible evolution of the adapter's capabilities.

Inventive Principle:
Principle #15Dynamics

4Adaptability or versatility

If the entire adapter is replaced to adapt to changing frequency bands, then compatibility is improved, but device complexity increases

Engineering Contradiction:
Improvefrequency band compatibilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent divides the adapter into distinct modular housings that can be independently managed and replaced. This segmentation simplifies the overall system architecture by creating clear functional boundaries, making it easier to understand, maintain, and upgrade individual components without affecting the entire system.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This design enhances signal strength and quality by minimizing signal degradation, reduces manufacturing costs, and simplifies installation by allowing for flexible frequency band adjustments without replacing the entire adapter.

Implementation Method 1

a low-pass filter connected to the input port

Methodology Applied
Scientific EffectFrequency filtering: Filter (electronic)

Implementation Method 2

a high-pass filter connected to the first output port

Methodology Applied
Scientific EffectFrequency filtering: Filter (electronic)

Implementation Method 3

A modular CATV entry adapter design with separate housings for a diplexer and splitters, incorporating low-pass and high-pass filters to isolate CATV and MoCA signals

Methodology Applied
Scientific EffectFrequency separation: Filter (electronic)

Implementation Method 4

The first splitter and the second splitter are configured to connect to subscriber devices at a subscriber premises

Methodology Applied
Scientific EffectSignal distribution:

Data Source

PatentUS10616527B2Cable television entry adapter
Publication Date: 2020.04.07 PPC BROADBAND INC
  • US10616527B2 patent drawing
  • US10616527B2 patent drawing
  • US10616527B2 patent drawing

AI summary

A cable television (CATV) entry adapter includes an input port configured to connect to a CATV network, a first output port, a second output port, a first splitter connected to the first output port, and a second splitter connected to the second output port. The first splitter and the second splitter are configured to connect to subscriber devices at a subscriber premises. The entry adapter is configured to transmit signals in a multimedia over coax alliance (MoCA) bandwidth but not signals in a CATV bandwidth to the subscriber devices that are configured to be connected to the first splitter. The entry adapter is configured to transmit the signals in the MoCA bandwidth and the signals in the CATV bandwidth to the subscriber devices that are configured to be connected to the second splitter.