Mobile Hotspot Device Integrating Interface and Wireless Modules

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Solution Overview

Problem

Existing network access methods, such as Ethernet interfaces and wireless local area network cards, lack flexibility and portability, failing to meet the needs of users who require network access anywhere and anytime.

Innovation Solution

A mobile hotspot device integrating an interface module and a wireless communication module, which supports various interface modes including AC, Ethernet, and USB, and enables LAN, WAN, and WiFi access, allowing for flexible network access through AC-DC power conversion, POE, LAN-USB signal conversion, and USB interfaces, with an interface control unit managing power and data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional network access methods (Ethernet interface or USB wireless card) are used, then network connectivity is achieved, but flexibility and portability are compromised

Engineering Contradiction:
Improvenetwork access flexibilityVSAvoidaccess method complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The mobile hotspot device integrates multiple interface types (AC power interface, adapter interface, Ethernet interface, USB interface) into a single device, enabling it to perform multiple network access functions. This allows the device to adapt to different power sources and connection scenarios, providing universal network access capability while maintaining simplicity for the user.

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

2Adaptability or versatility

If multiple interface modes are supported, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improveinterface mode compatibilityVSAvoidinterface module complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The interface control unit serves as an intermediary that automatically detects the connected interface type and switches to the appropriate working mode. This mediator component manages the complexity of supporting multiple interfaces by centralizing the detection and switching logic, allowing the device to support diverse interface modes without requiring complex user configuration or manual intervention.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If automatic interface detection is implemented, then ease of operation is improved, but device complexity increases

Engineering Contradiction:
Improveinterface switching convenienceVSAvoidcontrol unit complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The interface control unit automatically detects which interface is connected and autonomously switches to the corresponding working mode without requiring user input. The device performs self-service by monitoring interface status and adapting its operation automatically, which greatly simplifies user interaction while the control unit handles the detection and switching complexity in the background.

Inventive Principle:
Principle #25Self-service

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

The solution provides a compact, portable device that supports multiple network access modes, enhancing flexibility and universality, while maintaining a small form factor and ensuring reliable network access for users.

Implementation Method 1

AC-Direct Current (DC) power conversion unit, which is coupled between the AC 220V power interface and the interface control unit, and configured to convert an AC 220V power into a DC power required by the wireless communication module

Methodology Applied
Scientific EffectAC-DC power conversion:

Implementation Method 2

DC-DC power conversion unit, which is coupled between the adapter interface and the interface control unit, and configured to convert a DC power output by the adapter interface into the DC power required by the wireless communication module

Methodology Applied
Scientific EffectDC-DC power conversion:

Data Source

PatentEP2887759B1Mobile hotspot device and method for accessing network
Publication Date: 2018.11.28 ZTE CORP
  • EP2887759B1 patent drawingFigure 1~2
  • EP2887759B1 patent drawingFigure 3a~3b
  • EP2887759B1 patent drawingFigure 3c~4

AI summary

A mobile hotspot device and a method for accessing a network are provided. The mobile hotspot device includes: an interface module, which is configured to provide a power interface and data communication; and a wireless communication module, which is coupled with the interface module, and configured to provide a network access mode corresponding to the power interface and control a terminal to access a network according to a current network access mode. The solution effectively buckles two independent products together, i.e. the interface module and the wireless communication module, thereby maintaining the small volume of conventional handheld terminals, facilitating to carry. In addition, the solution supports various interface modes, and supports Local Area Network (LAN) wired access, Wide Area Network (WAN) wireless access and Wireless Fidelity (WiFi) LAN coverage functionally, which provides various flexible network access modes for users. The solution meets requirements for portability and miniaturization, has relatively high universality, and is simple and feasible.